LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Oldsmobile >> 2001 >> Aurora 3.5 H >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 3.5L >> Diagnostic Trouble Code Definitions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Definitions

NOTE: Use of Tech 2 scan tool is required to retrieve DTCs. Refer to user reference manual supplied with scan tool.
DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC Definition (1) Code Type
BXXXX (2) VTM Related DTCs -
CXXXX (2) EBCM Related DTCs -
P0030  Heated Oxygen Sensor Heater Control Circuit - Bank 1 Sensor 1 B
P0036  Heated Oxygen Sensor Heater Control Circuit - Bank 1 Sensor 2 A
P0101  Mass Airflow Sensor System Performance B
P0102  Mass Airflow Sensor Circuit Low Frequency B
P0103  Mass Airflow Sensor Circuit High Frequency B
P0107  Manifold Absolute Pressure Sensor Circuit Low Voltage B
P0108  Manifold Absolute Pressure Sensor Circuit High Voltage B
P0112  Intake Air Temperature Sensor Circuit Low Voltage B
P0113  Intake Air Temperature Sensor Circuit High Voltage B
P0117  Engine Coolant Temperature Sensor Circuit Low Voltage B
P0118  Engine Coolant Temperature Sensor Circuit High Voltage B
P0121  Throttle Position Sensor Circuit Insufficient Activity B
P0122  Throttle Position Sensor Circuit Voltage Low B
P0123  Throttle Position Sensor Circuit High Voltage B
P0125  Engine Coolant Temperature Excessive Time To Reach Closed Loop B
P0130  Closed Loop Rationality - Bank 1 Sensor 1 B
P0131  Heated Oxygen Sensor Circuit Low Voltage - Bank 1 Sensor 1 B
P0132  Heated Oxygen Sensor Circuit High Voltage - Bank 1 Sensor 1 B
P0133  Heated Oxygen Sensor Slow Response - Bank 1 Sensor 1 B
P0134  Heated Oxygen Sensor Insufficient Activity - Bank 1 Sensor 1 B
P0135  Heated Oxygen Sensor Heater Circuit - Bank 1 Sensor 1 B
P0137  Heated Oxygen Sensor Circuit Low Voltage - Bank 1 Sensor 2 B
P0138  Heated Oxygen Sensor Circuit High Voltage - Bank 1 Sensor 2 B
P0140  Heated Oxygen Sensor Insufficient Activity - Bank 1 Sensor 2 B
P0141  Heated Oxygen Sensor Heater Circuit - Bank 1 Sensor 2 B
P0171  Fuel Trim System Lean B
P0172  Fuel Trim System Rich B
P0201  Injector No. 1 Control Circuit B
P0202  Injector No. 2 Control Circuit B
P0203  Injector No. 3 Control Circuit B
P0204  Injector No. 4 Control Circuit B
P0205  Injector No. 5 Control Circuit B
P0206  Injector No. 6 Control Circuit B
P0218 (3) Transaxle Overtemperature C
P0230  Fuel Pump Control Circuit B
P0300  Engine Misfire Detected B
P0325  Knock Sensor System B
P0327  Knock Sensor Circuit B
P0335  Crankshaft Position Sensor "A" Circuit B
P0340  Camshaft Position Sensor Circuit B
P0385  Crankshaft Position Sensor "B" Circuit B
P0401  Exhaust Gas Recirculation Flow Insufficient A
P0403  Exhaust Gas Recirculation Solenoid Control Circuit B
P0404  Exhaust Gas Recirculation Open Position Performance B
P0405  Exhaust Gas Recirculation Position Sensor Circuit Low Voltage B
P0410  Secondary Air Injection System B
P0412  Secondary Air Injection Solenoid Relay Control Circuit - Bank 1 B
P0418  Secondary Air Injection Pump Relay Control Circuit B
P0420  Catalyst System Low Efficiency A
P0440  Evaporative Emission System A
P0442  Evaporative Emission System Small Leak Detected A
P0443  Evaporative Emission Purge Valve 1 Control Circuit B
P0446  Evaporative Emission Vent Valve Control System B
P0449  Evaporative Emission Vent Valve Control Circuit B
P0452  Fuel Tank Pressure Sensor Circuit - Low Voltage B
P0453  Fuel Tank Pressure Sensor Circuit - High Voltage B
P0461 (4) Fuel Level Sensor Circuit Performance C
P0462 (4) Fuel Level Sensor Circuit - Low Voltage C
P0463 (4) Fuel Level Sensor Circuit - High Voltage C
P0480  Cooling Fan Relay No. 1 Control Circuit B
P0481  Cooling Fan Relay No. 2 Control Circuit B
P0502 (3) Vehicle Speed Sensor Circuit - Low Input B
P0503 (3) Vehicle Speed Sensor Circuit Intermittent B
P0506  Idle Speed Low B
P0507  Idle Speed High B
P0522 (4) Engine Oil Pressure Sensor Circuit - Low Voltage C
P0523 (4) Engine Oil Pressure Sensor Circuit - High Voltage C
P0530 (5) A/C Pressure Sensor Circuit - Low Voltage C
P0533 (5) A/C Pressure Sensor Circuit - High Voltage C
P0560  System Voltage C
P0562  System Voltage Low C
P0563  System Voltage High C
P0574 (6) Cruise Control Malfunction C
P0601  Control Module Read Only Memory A
P0602  Control Module Not Programed A
P0615 (7) Starter Relay Control Circuit C
P0620 (8) Incorrect Voltage Signal C
P0621 (8) Generator L-Terminal Circuit C
P0622 (8) Generator F-Terminal Circuit C
P0650  Malfunction Indicator Light Control Circuit B
P0711 (3) Transmission Fluid Temperature Sensor Circuit Performance C
P0712 (3) Transmission Fluid Temperature Sensor Circuit - Low Input C
P0713 (3) Transmission Fluid Temperature Sensor Circuit - High Input C
P0716 (3) Input Speed Sensor Circuit Intermittent B
P0717 (3) Input Speed Sensor Circuit - Low Input B
P0719 (3) Brake Switch Circuit - Low Input C
P0724 (3) Brake Switch Circuit - High Input C
P0730 (3) Incorrect Gear Ration C
P0741 (3) Torque Converter Clutch Circuit Inoperative - Stuck Off B
P0742 (3) Torque Converter Clutch Circuit Inoperative - Stuck On B
P0748 (3) Pressure Control Solenoid Electrical Malfunction C
P0751 (3) 1-2 Shift Solenoid Valve Performance B
P0752 (3) 1-2 Shift Solenoid Valve Performance B
P0753 (3) 1-2 Shift Solenoid Circuit B
P0756 (3) 2-3 Shift Solenoid Performance A
P0757 (3) 2-3 Shift Solenoid Performance A
P0758 (3) 2-3 Shift Solenoid Circuit A
P1106  Manifold Absolute Pressure Sensor Circuit Intermittent High Voltage C
P1107  Manifold Absolute Pressure Sensor Circuit Intermittent Low Voltage C
P1111  Intake Air Temperature Sensor Circuit Intermittent High Voltage C
P1112  Intake Air Temperature Sensor Circuit Intermittent Low Voltage C
P1114  Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage C
P1115  Engine Coolant Temperature Sensor Circuit Intermittent High Voltage C
P1121  Throttle Position Sensor Circuit Intermittent High Voltage C
P1122  Throttle Position Sensor Circuit Intermittent Low Voltage C
P1133  Heated Oxygen Sensor Insufficient Switching - Bank 1 Sensor 1 B
P1134  Heated Oxygen Sensor Transition Time Ratio - Bank 1 Sensor 1 B
P1258  Engine Coolant Overtemperature - Protection Mode Active A
P1336  Crankshaft Position System Variation Not Learned A
P1351-P1356  Ignition Coil Control Circuit B
P1361-P1366  Ignition Coil Control Circuit B
P1372  Crankshaft Position Sensor "A" & "B" Correlation B
P1380  Misfire Detected - Rough Road Data Not Available C
P1381  Misfire Detected - No Communication With Brake Control Module C
P1404  Exhaust Gas Recirculation Closed System Performance B
P1441  Evaporative Emission System Flow During Non-Purge B
P1531  A/C Refrigerant Low Temperature Sensor Signal Circuit C
P1536  A/C System Engine Coolant Temperature Overtemperature C
P1540  A/C Pressure Too High C
P1545 (5) A/C Compressor Clutch Relay Circuit - Low Voltage C
P1546 (5) A/C Compressor Clutch Relay Circuit - High Voltage C
P1554 (6) Cruise Control Status Circuit C
P1560 (6) Cruise Control - Transaxle Not In Drive C
P1564 (6) Cruise Control - Acceleration Too High C
P1566 (6) Cruise Control - Engine RPM Too High C
P1567 (6) Cruise Control - Active Braking Control System Active C
P1570 (6) Cruise Control - Traction Control Active C
P1571 (9) Traction Control Torque Request Circuit C
P1574 (6) Stoplight Switch Control Circuit C
P1575  Extended Travel Brake Switch Circuit Voltage High C
P1585 (6) Cruise Control - Inhibit Signal Circuit Malfunction C
P1617 (4) Engine Oil Level Switch Circuit C
P1626 (10) - C
P1630 (10) Theft Deterrent System Learn Mode Active C
P1631 (10) Theft Deterrent Fuel Enable Signal Not Correct C
P1635  5-Volt Reference "A" Circuit B
P1639  5-Volt Reference "B" Circuit B
P1640  Output Driver Module 1 C
P1644 (9) Delivered Torque Output Circuit C
P1650  Output Driver Module 2 C
P1660  Output Driver Module 3 C
P1670  Output Driver Module 4 C
P1810 (3) TFP Valve Position Switch Circuit B
P1811 (3) Maximum Adapt & Long Shift C
P1814 (3) Torque Converter Overstressed C
P1819 (3) Transmission Internal Mode Switch - No Start/Wrong Range C
P1820 (3) Internal Mode Switch Circuit A C
P1822 (3) Internal Mode Switch Circuit B C
P1823 (3) Internal Mode Switch Circuit P C
P1825 (3) Internal Mode Switch - Invalid Range C
P1826 (3) Internal Mode Switch Circuit C C
P1860 (3) TCC PWM Solenoid Circuit Electrical Malfunction B
P1887 (3) TCC Release Switch Circuit B
UXXXX (2) Communication Malfunction -
(1) For description of the different code types, see CODE TYPES  under SELF-DIAGNOSTIC SYSTEM.
(2) Diagnose DTCs as necessary. See DIAGNOSTIC TROUBLE CODE DEFINITIONS in appropriate BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT.
(3) See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4) See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.
(5) See AUTOMATIC A/C-HEATER SYSTEMS - AURORA article in AIR CONDITIONING & HEATING.
(6) See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
(7) See appropriate STARTERS article in STARTING & CHARGING SYSTEMS.
(8) See appropriate GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.
(9) See appropriate ANTI-LOCK article in BRAKES.
(10) See appropriate ANTI-THEFT SYSTEMS article in ACCESSORIES & EQUIPMENT.
scientia non olet · About LEMON Manuals