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For 1990-2009 cars only

Diagnostic Trouble Code (DTC) List RPO L36

Description

Domestic

RPO L36

Export Unleaded

RPO L36

Export Leaded

Mass Air Flow (MAF) System Performance

A

A

--

Mass Air Flow (MAF) Sensor Circuit Low Frequency

A

A

--

Mass Air Flow (MAF) Sensor Circuit High Frequency

A

A

--

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

B

B

--

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

B

B

--

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

B

B

--

Intake Air Temperature (IAT) Sensor Circuit High Voltage

B

B

--

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

B

B

--

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

B

B

--

Throttle Position (TP) System Performance

A

A

--

Throttle Position (TP) Sensor Circuit Low Voltage

A

A

--

Throttle Position (TP) Sensor Circuit High Voltage

A

A

--

Engine Coolant Temperature (ECT) Excessive Time to Closed Loop Fuel Control

B

D

--

HO2S Circuit Low Voltage Sensor 1

B

B

--

HO2S Circuit High Votlage Sensor 1

B

B

--

HO2S Slow Response Sensor 1

B

D

--

HO2S Circuit Insufficient Activity Sensor 1

B

B

--

HO2S Heater Circuit Sensor 1

B

D

--

HO2S Circuit Low Voltage Sensor 2

B

B

--

HO2S Circuit High Voltage Sensor 2

B

B

--

HO2S Circuit Insufficient Activity Sensor 2

B

B

--

HO2S Heater Circuit Sensor 2

B

D

--

Fuel Trim System Lean

B

D

--

Fuel Trim System Rich

B

D

--

Injector 1 Control Circuit

B

B

--

Injector 2 Control Circuit

B

B

--

Injector 3 Control Circuit

B

B

--

Injector 4 Control Circuit

B

B

--

Injector 5 Control Circuit

B

B

--

Injector 6 Control Circuit

B

B

--

Fuel Pump Control Circuit

D

D

--

Engine Misfire Detected

B

D

--

Knock Sensor Circuit

D

D

--

Knock Sensor Circuit Bank 1

D

D

--

Knock Sensor Circit Bank 2

D

D

--

18X Reference Signal

B

B

--

CMP Sensor Circuit Performance

B

B

--

EGR System Flow Insufficient

A

D

--

EGR Solenoid Circuit

B

D

--

EGR System Performance

B

D

--

EGR Pintle Position Circuit Low Voltage

B

D

--

TWC System Low Efficiency

A

D

--

EVAP System

A

A

--

EVAP Control System Small Leak Detected

A

A

--

EVAP Canister Vent Blocked

A

A

--

Fuel Tank Pressure Sensor Low Voltage

B

B

--

Fuel Tank Pressure Sensor High Voltage

B

B

--

VSS Circuit Low Input

B

B

--

VSS Circuit --Intermittent Input

B

B

--

Idle Control System Low RPM

B

B

--

Idle Control System High RPM

B

B

--

A/C Refrigerant Pressure Sensor Circuit

D

D

--

System Voltage

D

D

--

PCM Memory

B

B

--

PCM Not Programmed

B

B

--

Trans Range Switch Circuit

D

D

--

Trans Range Switch Performance

D

D

--

Trans Fluid Temperature (TFT) Sensor Circuit Performance Refer to DTC P0711 TFT Sensor Circuit Range/Performance in Automatic Transaxle 4T65-E

D

D

--

Trans Fluid Temperature (TFT) Sensor Circuit Low Voltage Refer to DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input in Automatic Transaxle 4T65-E

D

D

--

Trans Fluid Temperature (TFT) Sensor Circuit High Voltage Refer to DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Input in Automatic Transaxle 4T65-E

D

D

--

Automatic Transmission Input (Shaft) Speed Sensor Circuit Performance Refer to Functional Test in Automatic Transaxle 4T65-E

B

B

--

Automatic Transmission Input (Shaft) Speed Sensor No Input Refer to Functional Test in Automatic Transaxle 4T65-E

B

B

--

Brake Switch Circuit Low Refer to DTC P0719 Brake Switch Circuit Low Input in Automatic Transaxle 4T65-E

D

D

--

Brake Switch Circuit High Refer to DTC P0724 Brake Switch Circuit High Input in Automatic Transaxle 4T65-E

D

D

--

Incorrect Gear Ratio Refer to DTC P0730 Incorrect Gear Ratio in Automatic Transaxle 4T65-E

D

D

--

Torque Converter ClutchSystem Stuck Off Refer to DTC P0741 TCC System Stuck Off in Automatic Transaxle 4T65-E

B

B

--

Torque Converter Clutch System Stuck On Refer to DTC P0742 TCC System Stuck On in Automatic Transaxle 4T65-E

A

A

--

Pressure Control Solenoid Valve Circuit Malfunction Refer to DTC P0748 Pressure Control Solenoid Circuit Electrical in Automatic Transaxle 4T65-E

 

D

--

Shift Solenoid 1 (1-2 Shift Solenoid) Performance/Stuck Off Refer to DTC P0751 1-2 Shift Solenoid Valve Performance in Automatic Transaxle 4T65-E

B

B

--

Shift Solenoid 1 (1-2 Shift Solenoid) Electrical Refer to DTC P0753 1-2 Shift Solenoid Circuit Electrical in Automatic Transaxle 4T65-E

A

A

--

Shift Solenoid 2 (2-3 Shift Solenoid) Performance/Stuck Off Refer to DTC P0756 2-3 Shift Solenoid Valve Performance in Automatic Transaxle 4T65-E

A

A

--

Shift Solenoid 2 (2-3 Shift Solenoid) Electrical Refer to DTC P0758 2-3 Shift Solenoid Circuit Electrical in Automatic Transaxle 4T65-E

A

A

--

Manifold Absolute Pressure (MAP) Sensor CKT Intermittent High Voltage

D

D

--

Manifold Absolute Pressure (MAP) Sensor CKT Intermittent Low Voltage

D

D

--

Intake Air Temperature (IAT) Sensor CKT Intermittent High Votlage

D

D

--

Intake Air Temperature (IAT) Sensor CKT Intermittent Low Votlage

D

D

--

Engine Coolant Temperature (ECT) Sensor CKT Intermittent Low Voltage

D

D

--

Engine Coolant Temperature (ECT) Sensor CKT Intermittent High Voltage

D

D

--

Throttle Position (TP) Sensor CKT Intermittent High Voltage

D

D

--

Throttle Position (TP) Sensor CKT Intermittent Low Voltage

D

D

--

HO2S Insufficient Switching Sensor 1

B

D

--

HO2S Transition Time Ratio Sensor 1

B

D

--

CKP System Variation Not Learned

A

D

--

IC Circuit Open

B

B

--

Bypass Cirucit Open

B

B

--

IC Circuit Not Toggling

B

B

--

Bypass Circuit Shorted

B

B

--

3X Reference Circuit

B

B

--

EBCM DTC Rough Road Data Unusable

D

D

--

Misfire Detected No EBCM/PCM Serial Data

D

D

--

EGR Valve Stuck Open

B

D

--

EVAP System Flow During Non-Purge

B

B

--

Cruise Control Status Circuit

D

D

--

PCM/EBTCM Serial Data Circuit

D

D

--

Theft Deterrent System Fuel Enable CKT

D

D

--

Theft Deterrent Crank Siganl Malfunction

D

D

--

5 Volt Reference (A) Circuit

B

B

--

5 Volt Reference (B) Circuit

B

B

--

A/C Relay Control Circuit

D

D

--

Fan 1 Relay Control Circuit

B

B

--

Fan 2 Relay Control Circuit

B

B

--

Fuel Level Output Control Circuit

D

D

--

Cruise Control Inhibit Control Circuit

D

D

--

EVAP Vent Valve Solenoid Control Circuit

B

B

--

MIL Control Circuit

D

D

--

Engine Hot Lamp Control Circuit

D

D

--

EVAP Canister Purge Solenoid Control CKT

B

B

--

Automatic Transmission Fluid Pressure Manual Valve Position Switch Malfunction Refer to Line Pressure Check in Automatic Transaxle 4T65-E

B

B

--

Maximum Adapt and Long Shift Refer to DTC P1811 Maximum Adapt and Long Shift in Automatic Transaxle 4T65-E

D

D

--

Torque Converter Clutch PWM Solenoid Circuit Refer to Torque Converter Clutch Evaluation and Diagnosis in Automatic Transaxle 4T65-E

A

A

--

TCC Release Switch Malfunction Refer to Torque Converter Clutch Evaluation and Diagnosis in Automatic Transaxle 4T65-E

B

B

--

Diagnostic Trouble Code (DTC) List RPO L67

Description

Domestic

RPO L67

Export Unleaded

RPO L67

Export Leaded

Mass Air Flow (MAF) System Performance

A

A

--

Mass Air Flow (MAF) Sensor Circuit Low Frequency

A

A

--

Mass Air Flow (MAF) Sensor Circuit High Frequency

A

A

--

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

B

B

--

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

B

B

--

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

B

B

--

Intake Air Temperature (IAT) Sensor Circuit High Voltage

B

B

--

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

B

B

--

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

B

B

--

Throttle Position (TP) System Performance

A

A

--

Throttle Position (TP) Sensor Circuit Low Voltage

A

A

--

Throttle Position (TP) Sensor Circuit High Voltage

A

A

--

Engine Coolant Temperature (ECT) Excessive Time to Closed Loop Fuel Control

B

D

--

HO2S Circuit Low Voltage Sensor 1

B

B

--

HO2S Circuit High Votlage Sensor 1

B

B

--

HO2S Slow Response Sensor 1

B

D

--

HO2S Circuit Insufficient Activity Sensor 1

B

B

--

HO2S Heater Circuit Sensor 1

B

D

--

HO2S Circuit Low Voltage Sensor 2

B

B

--

HO2S Circuit High Voltage Sensor 2

B

B

--

HO2S Circuit Insufficient Activity Sensor 2

B

B

--

HO2S Heater Circuit Sensor 2

B

D

--

Fuel Trim System Lean

B

D

--

Fuel Trim System Rich

B

D

--

Injector 1 Control Circuit

B

B

--

Injector 2 Control Circuit

B

B

--

Injector 3 Control Circuit

B

B

--

Injector 4 Control Circuit

B

B

--

Injector 5 Control Circuit

B

B

--

Injector 6 Control Circuit

B

B

--

Fuel Pump Control Circuit

D

D

--

Engine Misfire Detected

B

D

--

Knock Sensor Circuit

D

D

--

Knock Sensor Circuit Bank 1

D

D

--

Knock Sensor Circit Bank 2

D

D

--

18X Reference Signal

B

B

--

CMP Sensor Circuit Performance

B

B

--

EGR System Flow Insufficient

A

D

--

EGR Solenoid Circuit

B

D

--

EGR System Performance

B

D

--

EGR Pintle Position Circuit Low Voltage

B

D

--

TWC System Low Efficiency

A

D

--

EVAP System

A

A

--

EVAP Control System Small Leak Detected

A

A

--

EVAP Canister Vent Blocked

A

A

--

Fuel Tank Pressure Sensor Low Voltage

B

B

--

Fuel Tank Pressure Sensor High Voltage

B

B

--

VSS Circuit Low Input

B

B

--

VSS Circuit--Intermittent Input

B

B

--

Idle Control System Low RPM

B

B

--

Idle Control System High RPM

B

B

--

A/C Refrigerant Pressure Sensor Circuit

D

D

--

System Voltage

D

D

--

PCM Memory

B

B

--

PCM Not Programmed

B

B

--

Trans Range Switch Circuit

D

D

--

Trans Range Switch Performance

D

D

--

Trans Fluid Temperature (TFT) Sensor Circuit Performance Refer to DTC P0711 TFT Sensor Circuit Range/Performance in Automatic Transaxle 4T65-E

D

D

--

Trans Fluid Temperature (TFT) Sensor Circuit Low Voltage Refer to DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input in Automatic Transaxle 4T65-E

D

D

--

Trans Fluid Temperature (TFT) Sensor Circuit High Voltage Refer toDTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Input in Automatic Transaxle 4T65-E

D

D

--

Automatic Transmission Input (Shaft) Speed Sensor Circuit Performance Refer to Functional Test Procedure in Automatic Transaxle 4T65-E

B

B

--

Automatic Transmission Input (Shaft) Speed Sensor No Input Refer to Functional Test Procedure in Automatic Transaxle 4T65-E

B

B

--

Brake Switch Circuit Low Refer toDTC P0719 Brake Switch Circuit Low Inputin Automatic Transaxle 4T65-E

D

D

--

Brake Switch Circuit High Refer to DTC P0724 Brake Switch Circuit High Inputin Automatic Transaxle 4T65-E

D

D

--

Incorrect Gear Ratio Refer to DTC P0730 Incorrect Gear Ratioin Automatic Transaxle 4T65-E

D

D

--

Torque Converter Clutch System Stuck Off Refer to DTC P0741 TCC System Stuck Offin Automatic Transaxle 4T65-E

B

B

--

Torque Converter Clutch System Stuck On Refer to DTC P0742 TCC System Stuck Onin Automatic Transaxle 4T65-E

A

A

--

Pressure Control Solenoid Valve Circuit Malfunction Refer toDTC P0748 Pressure Control Solenoid Circuit Electrical in Automatic Transaxle 4T65-E)

D

D

--

Shift Solenoid 1 (1-2 Shift Solenoid) Performance/Stuck Off Refer to DTC P0751 1-2 Shift Solenoid Valve Performance in Automatic Transaxle 4T65-E

B

B

--

Shift Solenoid 1 (1-2 Shift Solenoid) Electrical Refer to DTC P0753 1-2 Shift Solenoid Circuit Electricalin Automatic Transaxle 4T65-E

A

A

--

Shift Solenoid 2 (2-3 Shift Solenoid) Performance/Stuck Off Refer toDTC P0756 2-3 Shift Solenoid Valve Performance in Automatic Transaxle 4T65-E

A

A

--

Shift Solenoid 2 (2-3 Shift Solenoid) Electrical Refer to DTC P0758 2-3 Shift Solenoid Circuit Electrical in Automatic Transaxle 4T65-E

A

A

--

Manifold Absolute Pressure (MAP) Sensor CKT Intermittent High Voltage

D

D

--

Manifold Absolute Pressure (MAP) Sensor CKT Intermittent Low Voltage

D

D

--

Intake Air Temperature (IAT) Sensor CKT Intermittent High Votlage

D

D

--

Intake Air Temperature (IAT) Sensor CKT Intermittent Low Votlage

D

D

--

Engine Coolant Temperature (ECT) Sensor CKT Intermittent Low Voltage

D

D

--

Engine Coolant Temperature (ECT) Sensor CKT Intermittent High Voltage

D

D

--

Throttle Position (TP) Sensor CKT Intermittent High Voltage

D

D

--

Throttle Position (TP) Sensor CKT Intermittent Low Voltage

D

D

--

HO2S Insufficient Switching Sensor 1

B

D

--

HO2S Transition Time Ratio Sensor 1

B

D

--

Supercharger System Overboost (VIN 1 Only)

D

D

--

CKP System Variation Not Learned

A

D

--

IC Circuit Open

B

B

--

Bypass Cirucit Open

B

B

--

IC Circuit Not Toggling

B

B

--

Bypass Circuit Shorted

B

B

--

3X Reference Circuit

B

B

--

EBCM DTC Rough Road Data Unusable

D

D

--

Misfire Detected No EBCM/PCM Serial Data

D

D

--

EGR Valve Stuck Open

B

D

--

EVAP System Flow During Non-Purge

B

B

--

Cruise Control Status Circuit

D

D

--

TCS Desired Torque Circuit

D

D

--

PCM/EBTCM Serial Data Circuit

D

D

--

Theft Deterrent System Fuel Enable CKT

D

D

--

Theft Deterrent Crank Siganl Malfunction

D

D

--

5 Volt Reference (A) Circuit

B

B

--

5 Volt Reference (B) Circuit

B

B

--

A/C Relay Control Circuit

D

D

--

SuperchargerBoost Control Solenoid Control Circuit

D

D

--

Fan 1 Relay Control Circuit

B

B

--

Fan 2 Relay Control Circuit

B

B

--

Fuel Level Output Control Circuit

D

D

--

Cruise Control Inhibit Control Circuit

D

D

--

Generator Lamp Control Circuit

D

D

--

EVAP Vent Valve Solenoid Control Circuit

B

B

--

Fuel Pump Speed Control Circuit

D

D

--

MIL Control Circuit

D

D

--

Low Engine Oil Lamp Control CKT

D

D

--

Engine Hot Lamp Control Circuit (Pontiac Only)

D

D

--

EVAP Canister Purge Solenoid Control CKT

B

B

--

TCS Delivered Torque Control Circuit

D

D

--

Automatic Transmission Fluid Pressure Manual Valve Position Switch Malfunction Refer to Line Pressure Check Procedure in Automatic Transaxle 4T65-E

B

B

--

Maximum Adapt and Long Shift Refer to DTC P1811 Maximum Adapt and Long Shift in Automatic Transaxle 4T65-E

D

D

--

Torque Converter Clutch PWM Solenoid Circuit Refer to Torque Converter Clutch (TCC) Evaluation and Diagnosisin Automatic Transaxle 4T65-E

A

A

--

TCC Release Switch Malfunction Refer to Torque Converter Clutch (TCC) Evaluation and Diagnosisin Automatic Transaxle 4T65-E

B

B

--