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For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Savana 🢒 Engine 🢒 Engine Electrical 🢒 Diagnostic Trouble Code (DTC) List/Type
Table 1: Diagnostic Trouble Code (DTC) Type Table (Domestic)
Table 2: Diagnostic Trouble Code (DTC) Type Table (Export)

Diagnostic Trouble Code (DTC) Type Table (Domestic)

DTC

Description

Domestic Light Duty Emissions L30(M) AUTO/MAN

Domestic L31(R) LD AUTO /L31 HD OBD2 AUTO/ L31 LD MAN

Domestic LEV (w/ Elec. AIR) L31(R) AUTO

Domestic HD Emission L31 HD OBD1 AUTO/ L31 HD OBD 1 MAN

P0101

Mass Air Flow (MAF) System Performance

B

B

B

B

P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

B

B

B

B

P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

B

B

B

B

P0106

Manifold Absolute Pressure (MAP) Sensor System Performance

B

B

B

C

P0107

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

B

B

B

B

P0108

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

B

B

B

B

P0112

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

B

B

B

B

P0113

Intake Air Temperature (IAT) Sensor Circuit High Voltage

B

B

B

B

P0117

Engine Coolant Temperature (ECT) Sensor Low Voltage

B

B

B

B

P0118

Engine Coolant Temperature (ECT) Sensor High Voltage

B

B

B

B

P0121

Throttle Position (TP) Sensor Performance

B

B

B

C

P0122

Throttle Position (TP) Sensor Circuit Low Voltage

B

B

B

B

P0123

Throttle Position (TP) Sensor Circuit High Voltage

B

B

B

B

P0125

Engine Coolant Temperature (ECT) Excessive Time To Closed Loop

B

B

B

C

P0131

Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 1

B

B

B

B

P0132

Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 1

B

B

B

B

P0133

Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 1

B

B

B

C

P0134

Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 1 Sensor 1

B

B

B

B

P0135

Heated Oxygen Sensor (HO2S) Heater Circuit Bank 1 Sensor 1

B

B

B

C

P0137

Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 2

X

B

B

B

P0138

Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 2

X

B

B

B

P0140

Heated Oxygen Sensor (HO2S) Insufficient Activity Bank 1 Sensor 2

X

B

B

B

P0141

Heated Oxygen Sensor (HO2S) Heater Circuit Bank 1 Sensor 2

X

B

B

C

P0143

Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 3

B

X

X

X

P0144

Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 3

B

X

X

X

P0146

Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 1 Sensor 3

B

X

X

X

P0147

Heated Oxygen Sensor (HO2S) Heater Circuit Bank 1 Sensor 3

B

X

X

X

P0151

Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 2 Sensor 1

B

B

B

B

P0152

Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 2 Sensor 1

B

B

B

B

P0153

Heated Oxygen Sensor (HO2S) Slow Response Bank 2 Sensor 1

B

B

B

C

P0154

Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 2 Sensor 1

B

B

B

B

P0155

Heated Oxygen Sensor (HO2S) Heater Circuit Bank 2 Sensor 1

B

B

B

C

P0157

Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 2 Sensor 2

X

B

B

B

P0158

Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 2 Sensor 2

X

B

B

B

P0160

Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 2 Sensor 2

X

B

B

B

P0161

Heated Oxygen Sensor (HO2S) Heater Circuit Bank 2 Sensor 2

X

B

B

C

P0171

Fuel Trim System Lean Bank 1

B

B

B

B

P0172

Fuel Trim System Rich Bank 1

B

B

B

B

P0174

Fuel Trim System Lean Bank 2

B

B

B

B

P0175

Fuel Trim System Rich Bank 2

B

B

B

B

P0300

Engine Misfire Detected

B

B

B

X

P0325

Knock Sensor (KS) Module Circuit

B

B

B

C

P0327

Knock Sensor (KS) Noise Channel Low Voltage

B

B

B

C

P0336

Crankshaft Position (CKP) Sensor Circuit Performance

B

B

B

B

P0337

Crankshaft Position (CKP) Sensor Circuit Low Frequency

B

B

B

C

P0338

Crankshaft Position (CKP) Sensor Circuit High Frequency

C

C

C

C

P0339

Crankshaft Position (CKP) Sensor Circuit Intermittent

B

B

B

C

P0340

Camshaft Position (CMP) Sensor Circuit

B

B

B

C

P0341

Camshaft Position (CMP) Circuit Performance

B

B

B

C

P0401

Exhaust Gas Recirculation (EGR) System Flow Insufficient

A

A

A

A

P0404

Exhaust Gas Recirculation (EGR) Valve Open Pintle Position

B

B

B

B

P0405

Exhaust Gas Recirculation (EGR) Pintle Position Circuit Low Volage

B

B

B

B

P0420

Three-Way Catalytic Converter (TWC) System Low Efficiency Bank 1

A

A

A

X

P0430

Three-Way Catalytic Converter (TWC) System Low Efficiency Bank 2

X

A

A

X

P0440

Evaporative Emissions (EVAP) System

A

A

A

X

P0442

Evaporative Emissions (EVAP) Control System Small Leak Detected

A

A

A

X

P0446

Evaporative Emissions (EVAP) Vent Valve Performance

A

A

A

X

P0452

Evaporative Emissions (EVAP) Pressure Sensor Circuit Low Voltage

B

B

B

X

P0453

Evaporative Emissions (EVAP) Pressure Sensor Circuit High Voltage

B

B

B

X

P0461

Fuel Level Sensor Circuit Performance

C

C

C

C

P0462

Fuel Level Sensor Circuit Low Voltage

C

C

C

C

P0463

Fuel Level Sensor Circuit High Voltage

C

C

C

C

P0500

Vehicle Speed Sensor (VSS) Circuit

B

B

B

B

P0506

Idle Control System Low RPM

B

B

B

B

P0507

Idle Control System High RPM

B

B

B

B

P0601

Vehicle Control Module (VCM) Memory

A

A

A

C

P0602

Vehicle Control Module (VCM) Not Programmed

A

A

A

C

P0603

Vehicle Control Module (VCM) Memory Reset

A

A

A

C

P0604

Vehicle Control Module (VCM) Random Access Memory (RAM)

A

A

A

C

P0605

Vehicle Control Module (VCM) Read Only Memory (ROM)

A

A

A

C

P1106

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

C

C

C

C

P1107

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage

C

C

C

C

P1111

Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

C

C

C

C

P1112

Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

C

C

C

C

P1114

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

C

C

C

C

P1115

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

C

C

C

C

P1121

Throttle Position (TP) Sensor Circuit Intermittent High Voltage

C

C

C

C

P1122

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

C

C

C

C

P1133

Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1

B

B

B

C

P1134

Heated Oxygen Sensor (HO2S) Transition Time Ratio Bank 1 Sensor 1

B

B

B

C

P1153

Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 2 Sensor 1

B

B

B

C

P1154

Heated Oxygen Sensor (HO2S) Transition Time Ratio Bank 2 Sensor 1

B

B

B

C

P1336

Crankshaft Position (CKP) System Variation Not Learned (CASE)

A

A

A

C

P1345

Crankshaft Position (CKP)/Camshaft Position (CMP) Correlation

A

A

A

A

P1351

Ignition Control (IC) Circuit High Voltage

A

A

A

A

P1361

Ignition Control (IC) Circuit Low Voltage

A

A

A

A

P1380

Electronic Brake Control Module (EBCM) DTC Rough Road Data Unusable

C

C

C

X

P1381

Misfire Detected - No Electronic Brake Control Module (EBCM)/Vehicle Control Module (VCM) Serial Data

C

C

C

X

P1404

Exhaust Gas Recirculation (EGR) Valve Closed Pintle Position

A

A

A

A

P1441

Evaporative Emissions (EVAP) System Flow During Non-Purge

B

B

B

X

P1508

Idle Air Control (IAC) System Low RPM

B

B

B

B

P1509

Idle Air Control (IAC) System High RPM

B

B

B

B

P1621

Vehicle Control Module (VCM) EEPROM Performance

C

C

C

C

P1626

Loss of Serial Communication with Vehicle Theft Deterrent (VTD)

C

C

C

C

P1631

Theft Deterrent Password Incorrect

C

C

C

C

Diagnostic Trouble Code (DTC) Type Table (Export)

DTC

Description

Export Unleaded Fuel L30 AUTO/ L30 MAN

Export Unleaded Fuel

L31 LD AUTO/ L31 LD MAN

Export Leaded Fuel

L31 LD AUTO/ L31 LD MAN/ L31 HD AUTO/ L31 HD MAN

P0101

Mass Air Flow (MAF) System Performance

C

C

C

P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

B

B

B

P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

B

B

B

P0106

Manifold Absolute Pressure (MAP) Sensor System Performance

C

C

C

P0107

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

B

B

B

P0108

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

B

B

B

P0112

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

B

B

B

P0113

Intake Air Temperature (IAT) Sensor Circuit High Voltage

B

B

B

P0117

Engine Coolant Temperature (ECT) Sensor Low Voltage

B

B

B

P0118

Engine Coolant Temperature (ECT) Sensor High Voltage

B

B

B

P0121

Throttle Position (TP) Sensor Performance

C

C

C

P0122

Throttle Position (TP) Sensor Circuit Low Voltage

B

B

B

P0123

Throttle Position (TP) Sensor Circuit High Voltage

B

B

B

P0125

Engine Coolant Temperature (ECT) Excessive Time To Closed Loop

C

C

X

P0131

Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 1

B

B

X

P0132

Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 1

B

B

X

P0133

Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 1

C

C

X

P0134

Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 1 Sensor 1

B

B

X

P0135

Heated Oxygen Sensor (HO2S) Heater Circuit Bank 1 Sensor 1

C

C

X

P0137

Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 2

X

B

X

P0138

Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 2

X

B

X

P0140

Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 1 Sensor 2

X

B

X

P0141

Heated Oxygen Sensor (HO2S) Heater Circuit Bank 1 Sensor 2

X

C

X

P0143

Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 3

B

X

X

P0144

Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 3

B

X

X

P0146

Heated Oxygen Sensor (HO2S) Insufficient Activity Bank 1 Sensor 3

B

X

X

P0147

Heated Oxygen Sensor (HO2S) Heater Circuit Bank 1 Sensor 3

C

X

X

P0151

Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 2 Sensor 1

B

B

X

P0152

Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 2 Sensor 1

B

B

X

P0153

Heated Oxygen Sensor (HO2S) Slow Response Bank 2 Sensor 1

C

C

X

P0154

Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 2 Sensor 1

B

B

X

P0155

Heated Oxygen Sensor (HO2S) Heater Circuit Bank 2 Sensor 1

C

C

X

P0157

Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 2 Sensor 2

X

B

X

P0158

Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 2 Sensor 2

X

B

X

P0160

Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 2 Sensor 2

X

B

X

P0161

Heated Oxygen Sensor (HO2S) Heater Circuit Bank 2 Sensor 2

X

C

X

P0171

Fuel Trim System Lean Bank 1

B

B

X

P0172

Fuel Trim System Rich Bank 1

B

B

X

P0174

Fuel Trim System Lean Bank 2

B

B

X

P0175

Fuel Trim System Rich Bank 2

B

B

X

P0300

Engine Misfire Detected

C

C

X

P0325

Knock Sensor (KS) Module Circuit

C

C

C

P0327

Knock Sensor (KS) Noise Channel Low Voltage

C

C

C

P0336

Crankshaft Position (CKP) Sensor Circuit Performance

B

B

B

P0337

Crankshaft Position (CKP) Sensor Circuit Low Frequency

C

C

C

P0338

Crankshaft Position (CKP) Sensor Circuit High Frequency

C

C

C

P0339

Crankshaft Position (CKP) Sensor Circuit Intermittent

C

C

C

P0340

Camshaft Position (CMP) Sensor Circuit

C

C

C

P0341

Camshaft Position (CMP) Circuit Performance

C

C

C

P0401

Exhaust Gas Recirculation (EGR) System Flow Insufficient

A

A

X

P0404

Exhaust Gas Recirculation (EGR) Valve Open Pintle Position

B

B

X

P0405

Exhaust Gas Recirculation (EGR) Pintle Position Circuit Low Volage

B

B

X

P0420

Three-Way Catalytic Converter (TWC) System Low Efficiency Bank 1

C

C

X

P0430

Three-Way Catalytic Converter (TWC) System Low Efficiency Bank 2

X

C

X

P0440

Evaporative Emissions (EVAP) System

C

C

X

P0442

Evaporative Emissions (EVAP) Control System Small Leak Detected

C

C

X

P0446

Evaporative Emissions (EVAP) Vent Valve Performance

C

C

X

P0452

Evaporative Emissions (EVAP) Pressure Sensor Circuit Low Voltage

C

C

X

P0453

Evaporative Emissions (EVAP) Pressure Sensor Circuit High Voltage

C

C

X

P0461

Fuel Level Sensor Circuit Performance

C

C

C

P0462

Fuel Level Sensor Circuit Low Voltage

C

C

C

P0463

Fuel Level Sensor Circuit High Voltage

C

C

C

P0500

Vehicle Speed Sensor (VSS) Circuit

B

B

B

P0506

Idle Control System Low RPM

B

B

B

P0507

Idle Control System High RPM

B

B

B

P0601

Vehicle Control Module (VCM) Memory

C

C

C

P0602

Vehicle Control Module (VCM) Not Programmed

C

C

C

P0603

Vehicle Control Module (VCM) Memory Reset

C

C

C

P0604

Vehicle Control Module (VCM) Random Access Memory (RAM)

C

C

C

P0605

Vehicle Control Module (VCM) Read Only Memory (ROM)

C

C

C

P1106

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

C

C

C

P1107

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage

C

C

C

P1111

Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

C

C

C

P1112

Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

C

C

C

P1114

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

C

C

C

P1115

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

C

C

C

P1121

Throttle Position (TP) Sensor Circuit Intermittent High Voltage

C

C

C

P1122

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

C

C

C

P1133

Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1

C

C

X

P1134

Heated Oxygen Sensor (HO2S) Transition Time Ratio Bank 1 Sensor 1

C

C

X

P1153

Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 2 Sensor 1

C

C

X

P1154

Heated Oxygen Sensor (HO2S) Transition Time Ratio Bank 2 Sensor 1

C

C

X

P1336

Crankshaft Position (CKP) System Variation Not Learned (CASE)

A

A

C

P1345

Crankshaft Position (CKP)/Camshaft Position (CMP) Correlation

A

A

A

P1351

Ignition Control (IC) Circuit High Voltage

A

A

A

P1361

Ignition Control (IC) Circuit Low Voltage

A

A

A

P1380

Electronic Brake Control Module (EBCM) DTC Rough Road Data Unusable

C

C

X

P1381

Misfire Detected - No Electronic Brake Control Module (EBCM)/Vehicle Control Module (VCM) Serial Data

C

C

X

P1404

Exhaust Gas Recirculation (EGR) Valve Closed Pintle Position

A

A

X

P1441

Evaporative Emissions (EVAP) System Flow During Non-Purge

C

C

X

P1508

Idle Air Control (IAC) System Low RPM

B

B

B

P1509

Idle Air Control (IAC) System High RPM

B

B

B

P1621

Vehicle Control Module (VCM) EEPROM Performance

C

C

C

P1626

Loss of Serial Communication with Vehicle Theft Deterrent (VTD)

C

C

C

P1631

Theft Deterrent Password Incorrect

C

C

C