For 1990-2009 cars only
Diagnostic Trouble Codes for Cadillac Concours 1996
Diagnostic Procedures
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 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 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 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 P1406 Exhaust Gas Recirculation (EGR) Position Sensor 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 P1526 Minimum Throttle Position Not Learned
- 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
