OBD2 fault codes,
explained one by one.

P0001

Fuel Volume Regulator Control Circuit/Open

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P0002

Fuel Volume Regulator Control Circuit Range/Performance

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P0003

Fuel Volume Regulator Control Circuit Low

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P0004

Fuel Volume Regulator Control Circuit High

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P0005

Fuel Shutoff Valve A Control Circuit/Open

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P0006

Fuel Shutoff Valve A Control Circuit Low

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P0007

Fuel Shutoff Valve A Control Circuit High

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P0010

A Camshaft Position Actuator Circuit (Bank 1)

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P0011

Camshaft Position Timing Over-Advanced (Bank 1)

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P0012

A Camshaft Position - Timing Over-Retarded (Bank 1)

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P0013

B Camshaft Position Actuator Circuit (Bank 1)

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P0014

B Camshaft Position - Timing Over-Advanced (Bank 1)

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P0016

Crankshaft–Camshaft Position Correlation (Bank 1 Sensor A)

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P0017

Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)

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P0018

Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)

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P0020

A Camshaft Position Actuator Circuit (Bank 2)

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P0021

A Camshaft Position - Timing Over-Advanced (Bank 2)

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P0022

A Camshaft Position - Timing Over-Retarded (Bank 2)

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P0023

B Camshaft Position Actuator Circuit (Bank 2)

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P0024

B Camshaft Position - Timing Over-Advanced (Bank 2)

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P0025

B Camshaft Position - Timing Over-Retarded (Bank 2)

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P0030

HO2S Heater Control Circuit (Bank 1 Sensor 1)

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P0031

HO2S Heater Control Circuit Low (Bank 1 Sensor 1)

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P0032

HO2S Heater Control Circuit High (Bank 1 Sensor 1)

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P0036

HO2S Heater Control Circuit (Bank 1 Sensor 2)

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P0037

HO2S Heater Control Circuit Low (Bank 1 Sensor 2)

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P0038

HO2S Heater Control Circuit High (Bank 1 Sensor 2)

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P0045

Turbocharger/Supercharger Boost Control Solenoid Circuit/Open

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P0050

HO2S Heater Control Circuit (Bank 2 Sensor 1)

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P0051

HO2S Heater Control Circuit Low (Bank 2 Sensor 1)

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P0052

HO2S Heater Control Circuit High (Bank 2 Sensor 1)

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P0056

HO2S Heater Control Circuit (Bank 2 Sensor 2)

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P0057

HO2S Heater Control Circuit Low (Bank 2 Sensor 2)

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P0058

HO2S Heater Control Circuit High (Bank 2 Sensor 2)

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P0068

MAP/MAF - Throttle Position Correlation

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P0071

Ambient Air Temperature Sensor Range/Performance

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P0072

Ambient Air Temperature Sensor Circuit Low

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P0073

Ambient Air Temperature Sensor Circuit High

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P0074

Ambient Air Temperature Sensor Circuit Intermittent

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P0087

Fuel Rail/System Pressure - Too Low

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P0088

Fuel Rail/System Pressure - Too High

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P0089

Fuel Pressure Regulator 1 Performance

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P0090

Fuel Pressure Regulator 1 Control Circuit/Open

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P0100

Mass or Volume Air Flow Circuit

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P0101

Mass Air Flow Circuit Range/Performance

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P0102

Mass Air Flow (MAF) Circuit Low Input

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P0103

Mass Air Flow Circuit High Input

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P0104

Mass Air Flow Circuit Intermittent

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P0105

Manifold Absolute Pressure/Barometric Pressure Circuit

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P0106

MAP/BARO Circuit Range/Performance

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P0107

MAP/BARO Circuit Low Input

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P0108

MAP/BARO Circuit High Input

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P0109

MAP/BARO Circuit Intermittent

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P0110

Intake Air Temperature Sensor 1 Circuit

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P0111

Intake Air Temperature Sensor 1 Range/Performance

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P0112

Intake Air Temperature Sensor 1 Circuit Low

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P0113

Intake Air Temperature Sensor 1 Circuit High

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P0114

Intake Air Temperature Sensor 1 Circuit Intermittent

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P0115

Engine Coolant Temperature Sensor Circuit

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P0116

Engine Coolant Temperature Sensor Range/Performance

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P0117

Engine Coolant Temperature Sensor Circuit Low

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P0118

Engine Coolant Temperature Sensor Circuit High

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P0119

Engine Coolant Temperature Sensor Circuit Intermittent

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P0120

Throttle/Pedal Position Sensor A Circuit

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P0121

Throttle/Pedal Position Sensor A Range/Performance

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P0122

Throttle/Pedal Position Sensor A Circuit Low

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P0123

Throttle/Pedal Position Sensor A Circuit High

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P0124

Throttle/Pedal Position Sensor A Circuit Intermittent

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P0125

Insufficient Coolant Temperature for Closed Loop Fuel Control

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P0128

Coolant Temperature Below Thermostat Regulating Temperature

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P0130

O2 Sensor Circuit (Bank 1, Sensor 1)

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P0131

O2 Sensor Circuit Low Voltage (Bank 1, Sensor 1)

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P0132

O2 Sensor Circuit High Voltage (Bank 1, Sensor 1)

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P0133

O2 Sensor Circuit Slow Response (Bank 1, Sensor 1)

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P0134

O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)

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P0135

O2 Sensor Heater Circuit (Bank 1, Sensor 1)

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P0136

O2 Sensor Circuit (Bank 1, Sensor 2)

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P0137

O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2)

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P0138

O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)

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P0139

O2 Sensor Circuit Slow Response (Bank 1, Sensor 2)

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P0140

O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2)

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P0141

O2 Sensor Heater Circuit (Bank 1, Sensor 2)

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P0150

O2 Sensor Circuit (Bank 2, Sensor 1)

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P0151

O2 Sensor Circuit Low Voltage (Bank 2, Sensor 1)

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P0152

O2 Sensor Circuit High Voltage (Bank 2, Sensor 1)

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P0153

O2 Sensor Circuit Slow Response (Bank 2, Sensor 1)

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P0154

O2 Sensor Circuit No Activity Detected (Bank 2, Sensor 1)

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P0156

O2 Sensor Circuit (Bank 2, Sensor 2)

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P0157

O2 Sensor Circuit Low Voltage (Bank 2, Sensor 2)

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P0158

O2 Sensor Circuit High Voltage (Bank 2, Sensor 2)

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P0159

O2 Sensor Circuit Slow Response (Bank 2, Sensor 2)

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P0160

O2 Sensor Circuit No Activity Detected (Bank 2, Sensor 2)

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P0170

Fuel Trim (Bank 1)

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P0171

System Too Lean (Bank 1)

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P0172

System Too Rich (Bank 1)

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P0173

Fuel Trim (Bank 2)

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P0174

System Too Lean (Bank 2)

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P0180

Fuel Temperature Sensor A Circuit

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P0182

Fuel Temperature Sensor A Circuit Low

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P0183

Fuel Temperature Sensor A Circuit High

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P0191

Fuel Rail Pressure Sensor Circuit Range/Performance

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P0192

Fuel Rail Pressure Sensor Circuit Low

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P0193

Fuel Rail Pressure Sensor Circuit High

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P0196

Engine Oil Temperature Sensor Range/Performance

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P0197

Engine Oil Temperature Sensor Low

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P0198

Engine Oil Temperature Sensor High

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P0200

Injector Control Circuit/Open

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P0201

Injector Circuit/Open - Cylinder 1

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P0202

Injector Circuit/Open - Cylinder 2

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P0203

Injector Circuit/Open - Cylinder 3

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P0204

Injector Circuit/Open - Cylinder 4

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P0205

Injector Circuit/Open - Cylinder 5

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P0206

Injector Circuit/Open - Cylinder 6

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P0207

Injector Circuit/Open - Cylinder 7

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P0208

Injector Circuit/Open - Cylinder 8

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P0209

Injector Circuit/Open - Cylinder 9

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P0210

Injector Circuit/Open - Cylinder 10

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P0211

Injector Circuit/Open - Cylinder 11

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P0212

Injector Circuit/Open - Cylinder 12

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P0217

Engine Over Temperature Condition

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P0220

Throttle/Pedal Position Sensor B Circuit

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P0221

Throttle/Pedal Position Sensor B Range/Performance

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P0222

Throttle/Pedal Position Sensor B Circuit Low

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P0223

Throttle/Pedal Position Sensor B Circuit High

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P0224

Throttle/Pedal Position Sensor B Circuit Intermittent

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P0225

Throttle/Pedal Position Sensor C Circuit

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P0226

Throttle/Pedal Position Sensor C Range/Performance

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P0227

Throttle/Pedal Position Sensor C Circuit Low

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P0228

Throttle/Pedal Position Sensor C Circuit High

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P0230

Fuel Pump Primary Circuit

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P0231

Fuel Pump Secondary Circuit Low

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P0232

Fuel Pump Secondary Circuit High

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P0233

Fuel Pump Secondary Circuit Intermittent

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P0234

Turbocharger/Supercharger Overboost Condition

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P0235

Turbocharger/Supercharger Boost Sensor A Circuit

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P0236

Turbocharger/Supercharger Boost Sensor A Circuit Range/Performance

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P0237

Turbocharger/Supercharger Boost Sensor A Circuit Low

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P0238

Turbocharger/Supercharger Boost Sensor A Circuit High

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P0243

Turbocharger Wastegate Solenoid A

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P0245

Turbocharger Wastegate Solenoid A Low

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P0246

Turbocharger Wastegate Solenoid A High

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P0299

Turbocharger/Supercharger Underboost Condition

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P0300

Random/Multiple Cylinder Misfire Detected

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P0301

Cylinder 1 Misfire Detected

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P0302

Cylinder 2 Misfire Detected

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P0303

Cylinder 3 Misfire Detected

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P0304

Cylinder 4 Misfire Detected

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P0305

Cylinder 5 Misfire Detected

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P0306

Cylinder 6 Misfire Detected

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P0307

Cylinder 7 Misfire Detected

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P0308

Cylinder 8 Misfire Detected

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P0309

Cylinder 9 Misfire Detected

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P0310

Cylinder 10 Misfire Detected

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P0311

Cylinder 11 Misfire Detected

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P0312

Cylinder 12 Misfire Detected

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P0325

Knock Sensor 1 Circuit (Bank 1)

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P0326

Knock Sensor 1 Circuit Range/Performance (Bank 1)

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P0327

Knock Sensor 1 Circuit Low Input (Bank 1)

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P0328

Knock Sensor 1 Circuit High Input (Bank 1)

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P0330

Knock Sensor 2 Circuit (Bank 2)

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P0331

Knock Sensor 2 Circuit Range/Performance (Bank 2)

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P0332

Knock Sensor 2 Circuit Low Input (Bank 2)

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P0333

Knock Sensor 2 Circuit High Input (Bank 2)

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P0334

Knock Sensor 2 Circuit Intermittent (Bank 2)

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P0335

Crankshaft Position Sensor A Circuit

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P0336

Crankshaft Position Sensor A Range/Performance

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P0337

Crankshaft Position Sensor A Circuit Low

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P0338

Crankshaft Position Sensor A Circuit High

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P0339

Crankshaft Position Sensor A Circuit Intermittent

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P0340

Camshaft Position Sensor A Circuit (Bank 1 or Single Sensor)

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P0341

Camshaft Position Sensor A Range/Performance (Bank 1 or Single Sensor)

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P0342

Camshaft Position Sensor A Circuit Low (Bank 1 or Single Sensor)

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P0343

Camshaft Position Sensor A Circuit High (Bank 1 or Single Sensor)

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P0344

Camshaft Position Sensor A Circuit Intermittent (Bank 1 or Single Sensor)

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P0345

Camshaft Position Sensor A Circuit (Bank 2)

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P0346

Camshaft Position Sensor A Range/Performance (Bank 2)

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P0347

Camshaft Position Sensor A Circuit Low (Bank 2)

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P0348

Camshaft Position Sensor A Circuit High (Bank 2)

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P0349

Camshaft Position Sensor A Circuit Intermittent (Bank 2)

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P0350

Ignition Coil Primary/Secondary Circuit

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P0351

Ignition Coil A Primary/Secondary Circuit

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P0352

Ignition Coil B Primary/Secondary Circuit

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P0353

Ignition Coil C Primary/Secondary Circuit

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P0354

Ignition Coil D Primary/Secondary Circuit

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P0355

Ignition Coil E Primary/Secondary Circuit

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P0356

Ignition Coil F Primary/Secondary Circuit

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P0357

Ignition Coil G Primary/Secondary Circuit

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P0358

Ignition Coil H Primary/Secondary Circuit

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P0365

Camshaft Position Sensor B Circuit (Bank 1)

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P0366

Camshaft Position Sensor B Circuit Range/Performance (Bank 1)

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P0367

Camshaft Position Sensor B Circuit Low (Bank 1)

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P0368

Camshaft Position Sensor B Circuit High (Bank 1)

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P0380

Glow Plug/Heater Circuit A

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P0390

Camshaft Position Sensor B Circuit (Bank 2)

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P0391

Camshaft Position Sensor B Circuit Range/Performance (Bank 2)

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P0392

Camshaft Position Sensor B Circuit Low (Bank 2)

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P0393

Camshaft Position Sensor B Circuit High (Bank 2)

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P0400

Exhaust Gas Recirculation Flow Malfunction

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P0401

Exhaust Gas Recirculation (EGR) Flow Insufficient

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P0402

Exhaust Gas Recirculation Flow Excessive

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P0403

Exhaust Gas Recirculation Control Circuit

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P0404

Exhaust Gas Recirculation Circuit Range/Performance

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P0405

Exhaust Gas Recirculation Sensor A Circuit Low

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P0406

Exhaust Gas Recirculation Sensor A Circuit High

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P0410

Secondary Air Injection System

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P0411

Secondary Air Injection System Incorrect Flow

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P0420

Catalyst System Efficiency Below Threshold (Bank 1)

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P0421

Warm Up Catalyst Efficiency Below Threshold (Bank 1)

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P0430

Catalyst System Efficiency Below Threshold (Bank 2)

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P0431

Warm Up Catalyst Efficiency Below Threshold (Bank 2)

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P0440

EVAP System

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P0441

EVAP System Incorrect Purge Flow

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P0442

EVAP System Leak Detected (Small Leak)

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P0443

Evaporative Emission System Purge Control Valve Circuit

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P0446

Evaporative Emission System Vent Control Circuit

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P0447

Evaporative Emission System Vent Control Circuit Open

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P0451

Evaporative Emission System Pressure Sensor Range/Performance

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P0452

Evaporative Emission System Pressure Sensor Low Input

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P0453

Evaporative Emission System Pressure Sensor High Input

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P0454

Evaporative Emission System Pressure Sensor Intermittent

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P0455

EVAP System Leak Detected (Large Leak)

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P0461

Fuel Level Sensor A Circuit Range/Performance

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P0462

Fuel Level Sensor A Circuit Low

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P0463

Fuel Level Sensor A Circuit High

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P0480

Cooling Fan 1 Control Circuit

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P0500

Vehicle Speed Sensor 'A' Malfunction

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P0501

Vehicle Speed Sensor A Range/Performance

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P0502

Vehicle Speed Sensor A Circuit Low Input

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P0503

Vehicle Speed Sensor A Intermittent/Erratic/High

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P0504

Brake Switch A/B Correlation

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P0505

Idle Control System

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P0506

Idle Control System RPM Lower Than Expected

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P0507

Idle Control System RPM Higher Than Expected

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P0520

Engine Oil Pressure Sensor/Switch Circuit

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P0521

Engine Oil Pressure Sensor/Switch Range/Performance

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P0522

Engine Oil Pressure Sensor/Switch Low Voltage

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P0523

Engine Oil Pressure Sensor/Switch High Voltage

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P0524

Engine Oil Pressure Too Low

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P0530

A/C Refrigerant Pressure Sensor A Circuit

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P0531

A/C Refrigerant Pressure Sensor A Circuit Range/Performance

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P0532

A/C Refrigerant Pressure Sensor A Circuit Low

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P0533

A/C Refrigerant Pressure Sensor A Circuit High

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P0540

Intake Air Heater A Circuit

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P0541

Intake Air Heater A Circuit Low

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P0542

Intake Air Heater A Circuit High

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P0544

Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 1)

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P0545

Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1)

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P0546

Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 1)

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P0556

Brake Booster Pressure Sensor Circuit Range/Performance

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P0557

Brake Booster Pressure Sensor Circuit Low Input

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P0558

Brake Booster Pressure Sensor Circuit High Input

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P0560

System Voltage

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P0562

System Voltage Low

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P0563

System Voltage High

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P0600

Serial Communication Link

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P0601

Internal Control Module Memory Check Sum Error

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P0606

PCM Processor Fault

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P0638

Throttle Actuator Control Range/Performance (Bank 1)

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P0639

Throttle Actuator Control Range/Performance (Bank 2)

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P0641

Sensor Reference Voltage A Circuit/Open

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P0645

A/C Clutch Relay Control Circuit

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P0646

A/C Clutch Relay Control Circuit Low

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P0647

A/C Clutch Relay Control Circuit High

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P0660

Intake Manifold Runner Control Circuit/Open (Bank 1)

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P0661

Intake Manifold Runner Control Circuit Low (Bank 1)

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P0662

Intake Manifold Runner Control Circuit High (Bank 1)

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P0663

Intake Manifold Runner Control Circuit/Open (Bank 2)

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P0664

Intake Manifold Runner Control Circuit Low (Bank 2)

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P0665

Intake Manifold Runner Control Circuit High (Bank 2)

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P0691

Fan 1 Control Circuit Low

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P0692

Fan 1 Control Circuit High

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P0700

Transmission Control System Malfunction (MIL Request)

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P0705

Transmission Range Sensor Circuit

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P0706

Transmission Range Sensor Circuit Range/Performance

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P0707

Transmission Range Sensor Circuit Low

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P0708

Transmission Range Sensor Circuit High

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P0710

Transmission Fluid Temperature Sensor A Circuit

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P0711

Transmission Fluid Temperature Sensor A Circuit Range/Performance

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P0712

Transmission Fluid Temperature Sensor A Circuit Low

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P0713

Transmission Fluid Temperature Sensor A Circuit High

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P0715

Input/Turbine Speed Sensor Circuit

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P0716

Input/Turbine Speed Sensor Circuit Range/Performance

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P0717

Input/Turbine Speed Sensor Circuit No Signal

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P0720

Output Speed Sensor Circuit

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P0721

Output Speed Sensor Circuit Range/Performance

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P0722

Output Speed Sensor Circuit No Signal

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P0730

Incorrect Gear Ratio

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P0731

Gear 1 Incorrect Ratio

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P0732

Gear 2 Incorrect Ratio

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P0733

Gear 3 Incorrect Ratio

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P0734

Gear 4 Incorrect Ratio

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P0735

Gear 5 Incorrect Ratio

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P0740

Torque Converter Clutch Circuit

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P0745

Pressure Control Solenoid A

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P0750

Shift Solenoid A

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P0755

Shift Solenoid B

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P0760

Shift Solenoid C

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P0765

Shift Solenoid D

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P0770

Shift Solenoid E

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P0775

Pressure Control Solenoid B

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P2002

Diesel Particulate Filter Efficiency Below Threshold (Bank 1)

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P2003

Diesel Particulate Filter Efficiency Below Threshold (Bank 2)

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P2004

Intake Manifold Runner Control Stuck Open (Bank 1)

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P2005

Intake Manifold Runner Control Stuck Open (Bank 2)

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P2047

Reductant Injector Circuit/Open (Bank 1 Unit 1)

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P2048

Reductant Injector Circuit Low (Bank 1 Unit 1)

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P2049

Reductant Injector Circuit High (Bank 1 Unit 1)

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P2096

Post Catalyst Fuel Trim System Too Lean (Bank 1)

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P2097

Post Catalyst Fuel Trim System Too Rich (Bank 1)

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P2098

Post Catalyst Fuel Trim System Too Lean (Bank 2)

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P2099

Post Catalyst Fuel Trim System Too Rich (Bank 2)

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P2100

Throttle Actuator Control Motor Circuit/Open

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P2101

Throttle Actuator Control Motor Circuit Range/Performance

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P2102

Throttle Actuator Control Motor Circuit Low

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P2103

Throttle Actuator Control Motor Circuit High

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P2120

Throttle/Pedal Position Sensor/Switch D Circuit

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P2121

Throttle/Pedal Position Sensor/Switch D Circuit Range/Performance

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P2122

Throttle/Pedal Position Sensor/Switch D Circuit Low Input

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P2123

Throttle/Pedal Position Sensor/Switch D Circuit High Input

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P2125

Throttle/Pedal Position Sensor/Switch E Circuit

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P2127

Throttle/Pedal Position Sensor/Switch E Circuit Low Input

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P2128

Throttle/Pedal Position Sensor/Switch E Circuit High Input

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P2135

Throttle/Pedal Position Sensor A/B Voltage Correlation

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P2177

System Too Lean off Idle (Bank 1)

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P2178

System Too Rich off Idle (Bank 1)

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P2179

System Too Lean off Idle (Bank 2)

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P2180

System Too Rich off Idle (Bank 2)

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P2181

Cooling System Performance

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P2187

System Too Lean at Idle (Bank 1)

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P2188

System Too Rich at Idle (Bank 1)

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P2189

System Too Lean at Idle (Bank 2)

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P2190

System Too Rich at Idle (Bank 2)

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P2195

O2 Sensor Signal Stuck Lean (Bank 1 Sensor 1)

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P2196

O2 Sensor Signal Stuck Rich (Bank 1 Sensor 1)

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P2197

O2 Sensor Signal Stuck Lean (Bank 2 Sensor 1)

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P2198

O2 Sensor Signal Stuck Rich (Bank 2 Sensor 1)

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P2200

NOx Sensor Circuit (Bank 1)

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P2201

NOx Sensor Circuit Range/Performance (Bank 1)

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P2202

NOx Sensor Circuit Low Input (Bank 1)

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P2203

NOx Sensor Circuit High Input (Bank 1)

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P2227

Barometric Pressure Circuit Range/Performance

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P2228

Barometric Pressure Circuit Low

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P2229

Barometric Pressure Circuit High

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P2400

EVAP Leak Detection Pump Control Circuit/Open

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P2401

EVAP Leak Detection Pump Control Circuit Low

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P2402

EVAP Leak Detection Pump Control Circuit High

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P2452

Diesel Particulate Filter Pressure Sensor A Circuit

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P2453

Diesel Particulate Filter Pressure Sensor A Circuit Range/Performance

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P2454

Diesel Particulate Filter Pressure Sensor A Circuit Low

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P2455

Diesel Particulate Filter Pressure Sensor A Circuit High

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P2562

Turbocharger Boost Control Position Sensor Circuit

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P2563

Turbocharger Boost Control Position Sensor Circuit Range/Performance

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P2564

Turbocharger Boost Control Position Sensor Circuit Low

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P2565

Turbocharger Boost Control Position Sensor Circuit High

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