GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
1997
🢒
Concours
🢒 DTC
Diagnostic Trouble Codes
Diagnostic Trouble Codes
DTC P0101 Mass Air Flow (MAF) Sensor Performance
DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0105 MAP Sensor Circuit Insufficient Activity
DTC P0106 Manifold Absolute Pressure (MAP) System Performance
DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
DTC P0111 Intake Air Temperature (IAT) Sensor Performance
DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage
DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
DTC P0116 Engine Coolant Temperature (ECT) Sensor Performance
DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
DTC P0120 TP System Performance
DTC P0121 TP Sensor Circuit Insufficient Activity
DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage
DTC P0123 Throttle Position (TP)Sensor Circuit High Voltage
DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control
DTC P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1
DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1
DTC P0133 HO2S Slow Response Bank 1 Sensor 1
DTC P0134 HO2S Circuit Insufficient Activity Bank 1 Sensor 1
DTC P0135 HO2S Heater Performance Bank 1 Sensor 1
DTC P0137 HO2S Circuit Low Voltage Bank 1 Sensor 2
DTC P0138 HO2S Circuit High Voltage Bank 1 Sensor 2
DTC P0139 HO2S Slow Response Bank 1 Sensor 2
DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2
DTC P0141 HO2S Heater Performance Bank 1 Sensor 2
DTC P0143 HO2S Circuit Low Voltage Bank 1 Sensor 3
DTC P0144 HO2S Circuit High Voltage Bank 1 Sensor 3
DTC P0146 HO2S Circuit Insufficient Activity Bank 1 Sensor 3
DTC P0147 HO2S Heater Performance Bank 1 Sensor 3
DTC P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1
DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1
DTC P0153 HO2S Slow Response Bank 2 Sensor 1
DTC P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1
DTC P0155 HO2S Heater Performance Bank 2 Sensor 1
DTC P0171 Fuel Trim System Lean Bank 1
DTC P0172 Fuel Trim System Rich Bank 1
DTC P0174 Fuel Trim System Lean Bank 2
DTC P0175 Fuel Trim System Rich Bank 2
DTC P0201 Injector 1 Control Circuit
DTC P0202 Injector 2 Control Circuit
DTC P0203 Injector 3 Control Circuit
DTC P0204 Injector 4 Control Circuit
DTC P0205 Injector 5 Control Circuit
DTC P0206 Injector 6 Control Circuit
DTC P0207 Injector 7 Control Circuit
DTC P0208 Injector 8 Control Circuit
DTC P0218 Transmission Fluid Overtemperature
DTC P0231 Fuel Pump Feedback Circuit Low Voltage
DTC P0232 Fuel Pump Feedback Circuit High Voltage
DTC P0300 Engine Misfire Detected
DTC P0322 IC Module 4X Reference CKT No Frequency
DTC P0325 Knock Sensor Module Performance
DTC P0326 Knock Sensor CKT Excessive Spark Retard
DTC P0327 Knock Sensor Circuit Low Voltage
DTC P0340 IC Module Cam Reference CKT No Frequency
DTC P0371 IC 24X Reference CKT Too Many Pulses
DTC P0372 IC 24X Reference Circuit Missing Pulses
DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
DTC P0404 Exhaust Gas Recirculation (EGR) Open Position Performance
DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage
DTC P0420 Catalyst System Low Efficiency
DTC P0441 Evaporative Emission (EVAP) System No Flow During Purge
DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input
DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent
DTC P0506 Idle Speed Low
DTC P0507 Idle Speed High
DTC P0550 Power Steering Pressure (PSP) Switch Circuit
DTC P0560 System Voltage
DTC P0563 System Voltage High
DTC P0601 Control Module Read Only Memory (ROM)
DTC P0602 Control Module Not Programmed
DTC P0603 Control Module Long Term Memory Reset
DTC P0606 Control Module Internal Performance
DTC P0711 TFT Sensor Circuit Range/Performance
DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Input
DTC P0716 Input Speed Sensor CKT Range/Performance
DTC P0717 Input Speed Sensor Circuit No Signal
DTC P0719 Brake Switch Circuit Low Input
DTC P0724 Brake Switch Circuit High Input
DTC P0730 Incorrect Gear Ratio
DTC P0741 TCC System Stuck Off
DTC P0742 TCC System Stuck On
DTC P0748 Pressure Control Solenoid Circuit Electrical
DTC P0751 1-2 Shift Solenoid Valve Performance
DTC P0753 1-2 Shift Solenoid Circuit Electrical
DTC P0756 2-3 (B) Shift Solenoid Performance
DTC P0758 2-3 (B) Shift Solenoid Electrical
DTC P1106 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage
DTC P1107 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage
DTC P1108 BARO to MAP Sensor Comparison Too High
DTC P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1114 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage
DTC P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
DTC P1121 Throttle Position (TP) Sensor Circuit Intermittent High Voltage
DTC P1122 Throttle Position (TP) Sensor Circuit Intermittent Low Voltage
DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1
DTC P1134 HO2S Transition Time Ratio Bank 1 Sensor 1
DTC P1139 HO2S Insufficient Switching Bank 1 Sensor 2
DTC P1140 HO2S Transition Time Ratio Bank 1 Sensor 2
DTC P1153 HO2S Insufficient Switching Bank 2 Sensor 1
DTC P1154 HO2S Transition Time Ratio Bank 2 Sensor 1
DTC P1258 Engine Coolant Overtemperature - Protection Mode Active
DTC P1320 IC 4X Reference Circuit Intermittent
DTC P1323 IC 24X Reference Circuit Low Frequency
DTC P1350 Ignition Control System
DTC P1370 IC 4X Reference Circuit Too Many Pulses
DTC P1371 IC 4X Reference Circuit Too Few Pulses
DTC P1375 IC 24X Reference Circuit High Voltage
DTC P1376 Ignition Ground Circuit
DTC P1377 IC Cam Pulse To 4X Reference Pulse
DTC P1380 Misfire Detected - Rough Road Data Not Available
DTC P1381 Misfire Detected - No Communication with Brake Control Module
DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance
DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge
DTC P1508 Idle Speed Low - Idle Air Control (IAC) System Not Responding
DTC P1509 Idle Speed High - Idle Air Control (IAC) System Not Responding
DTC P1520 Transmission Range Switch Circuit
DTC P1524 Throttle Closed Position Performance
DTC P1527 Transmission Range to Pressure Switch Correlation
DTC P1554 Cruise Control Feedback Circuit
DTC P1560 Transaxle Not in Drive - Cruise Control Disabled
DTC P1564 Vehicle Acceleration Too High - Cruise Control Disabled
DTC P1566 Engine RPM Too High - Cruise Control Disabled
DTC P1570 Traction Control Active - Cruise Control Disabled
DTC P1571 Traction Control Torque Request Circuit
DTC P1574 Stoplamp Switch Circuit
DTC P1575 Extended Travel Brake Switch Circuit
DTC P1576 BBVSensor Circuit High Voltage
DTC P1577 BBV Sensor Circuit Low Voltage
DTC P1578 BBV Sensor Circuit Low Vacuum
DTC P1579 P/N to D/R at High Throttle Angle - Power Reduction Mode Active
DTC P1599 Engine Stall or Near Stall Detected
DTC P1602 Loss of EBTCM Serial Data
DTC P1603 Loss of SDM Serial Data
DTC P1604 Loss of IPC Serial Data
DTC P1605 Loss of HVAC Serial Data
DTC P1610 Loss of PZM Serial Data
DTC P1611 Loss of CVRTD Serial Data
DTC P1621 Control Module Long Term Memory Performance
DTC P1626 Theft Deterrent Fuel Enable Signal Lost
DTC P1630 Theft Deterrent Learn Mode Active
DTC P1631 Theft Deterrent Start Enable Signal Not Correct
DTC P1632 Theft Deterrent Fuel Disable Signal Received
DTC P1633 Ignition 0 Switch Circuit
DTC P1634 Ignition 1 Switch Circuit
DTC P1640 Driver-1-Input High Voltage
DTC P1641 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P1642 Vehicle Speed Output Circuit
DTC P1644 Traction Control Delivered Torque Output Circuit
DTC P1645 Evaporative Emission (EVAP) Purge Solenoid Control Circuit
DTC P1650 Control Module Output B Circuit
DTC P1652 Powertrain Induced Chassis Pitch Output Circuit
DTC P1654 Cruise Control Inhibit Output Circuit
DTC P1660 Cooling Fan Control Circuits
DTC P1810 TFP Valve Position Switch Circuit
DTC P1811 Maximum Adapt and Long Shift
DTC P1814 Torque Converter Overstressed
DTC P1860 TCC PWM Solenoid Circuit Electrical