Section 30 (Engine Control System - Tests W/Codes)
WARNING: This page is about a different car, the 1996 Cadillac Seville, 1996 Cadillac Eldorado, and 1996 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Notes
- Hard Failures
- Intermittent Failures
- DTC Status
- Fail This IGN.
- History
- Last Test Fail
- Mil Request
- Not Run SCC
- Test Fail SCC
- Failed Since Clear
- Not Run Since Cl.
- Not Run This IGN.
- Test Ran And Passed
- Diagnostic Procedure
- Reading Trouble Codes
- Trouble Code Definition
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes (DTC)
- Pcm/VCM Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Scan Data
- Specifications
- Summary
- Diagnostic Trouble Codes
- Notes
- DTC P0101 - MAF Sensor System Performance
- DTC P0102 - MAF Sensor Circuit Low Frequency
- DTC P0103 - MAF Sensor Circuit High Frequency
- DTC P0105 - Map Sensor Circuit Insufficient Activity
- DTC P0106 - Map Sensor System Performance
- DTC P0107 - Map Sensor Circuit Low Voltage
- DTC P0108 - Map Sensor Circuit High Voltage
- DTC P0111 - IAT Sensor Circuit Performance
- DTC P0112 - IAT Sensor Circuit Low Voltage
- DTC P0113 - IAT Sensor Circuit High Voltage
- DTC P0116 - ECT Sensor Circuit Performance
- DTC P0117 - ECT Sensor Circuit Low Voltage
- DTC P0118 - ECT Sensor Circuit High Voltage
- DTC P0120 - TP Sensor System Performance
- DTC P0121 - TP Sensor Circuit Insufficient Activity
- DTC P0122 - TP Sensor Circuit Voltage Low
- DTC P0123 - TP Sensor Circuit High Voltage
- DTC P0125 - ECT Excessive Time To Reach Closed Loop
- DTC P0131 - Ho2S Circuit Low Voltage Bank 1, Sensor 1 (Rear)
- DTC P0132 - Ho2S Circuit High Voltage Bank 1, Sensor 1 (Rear)
- DTC P0133 - Ho2S Slow Response Bank 1, Sensor 1 (Rear)
- DTC P0134 - Ho2S Insufficient Activity Bank 1, Sensor 1
- DTC P0135 - Ho2S Heater Circuit Bank 1, Sensor 1 (Rear)
- DTC P0137 - Ho2S Circuit Low Voltage Bank 1, Sensor 2
- DTC P0138 - Ho2S Circuit High Voltage Bank 1, Sensor 2(Pre-Converter)
- DTC P0139 - Ho2S Slow Response Bank 1, Sensor 2 (Pre-Converter)
- DTC P0140 - Ho2S Insufficient Activity Bank 1, Sensor 2 (Pre-Converter)
- DTC P0141 - Ho2S Heater Circuit Bank 1, Sensor 2 (Pre-Converter)
- DTC P0143 - Ho2S Circuit Low Voltage Bank 1, Sensor 3 (Post-Converter)
- DTC P0144 - Ho2S Circuit Voltage High Bank 1, Sensor 3 Post-Converter
- DTC P0146 - Ho2S Circuit Insufficient Activity Bank 1, Sensor 3 - Post-Converter
- DTC P0147 - Ho2S Heater Circuit Bank 1, Sensor 3 - Post-Converter
- DTC P0151 - Ho2S Circuit Low Voltage Bank 2, Sensor 1 (Front)
- DTC P0152 - Ho2S Circuit High Voltage Bank 2, Sensor 1 (Front)
- DTC P0153 - Ho2S Slow Response Bank 2, Sensor 1 (Front)
- DTC P0154 - Ho2S Circuit Insufficient Activity Bank 2, Sensor 1 (Front)
- DTC P0155 - Ho2S Heater Circuit Bank 2, Sensor 1 (Front)
- 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 No. 1 Control Circuit
- DTC P0202 - Injector No. 2 Control Circuit
- DTC P0203 - Injector No. 3 Control Circuit
- DTC P0204 - Injector No. 4 Control Circuit
- DTC P0205 - Injector No. 5 Control Circuit
- DTC P0206 - Injector No. 6 Control Circuit
- DTC P0207 - Injector No. 7 Control Circuit
- DTC P0208 - Injector No. 8 Control Circuit
- DTC P0231 - Fuel Pump Feedback Circuit Low Voltage
- DTC P0232 - Fuel Pump Feedback Circuit High Voltage
- DTC P0300-P0308 - Engine Misfire Detected
- DTC P0322 - Ignition Control (Ic) Module 4X Reference Circuit No Frequency
- DTC P0325 - Knock Sensor Module Circuit
- DTC P0326 - Knock Sensor Circuit Excessive Spark Retard
- DTC P0327 - Knock Sensor Low Voltage
- DTC P0340 - Ignition Control (Ic) Module Cam Reference
- DTC P0371 - Ignition Control (Ic) Module 24X Reference Circuit Too Many Pulses
- DTC P0372 - Ignition Control (Ic) Module 24X Reference Circuit Missing Pulses
- DTC P0401 - EGR System Malfunction
- DTC P0420 - TWC System Low Efficiency
- DTC P0441 - EVAP System No Flow During Purge
- DTC P0506 - IAC System Rpm Low
- DTC P0507 - IAC System Rpm High
- DTC P0550 - Power Steering Pressure Switch Circuit Voltage Low
- DTC P0560 - System Voltage Low
- DTC P0563 - System Voltage High
- DTC P0601 - Pcm Memory
- DTC P0602 - Pcm Not Programmed
- DTC P0603 - Pcm Memory Reset
- DTC P0606 - Pcm Internal Communication Interrupted
- DTC P1106 - Map Sensor Circuit Intermittent High Voltage
- DTC P1107 - Map Sensor Circuit Intermittent Low Voltage
- DTC P1108 - BARO-To-Map Sensor Circuit Comparison Too High
- DTC P1111 - IAT Sensor Circuit Intermittent High Voltage
- DTC P1112 - IAT Sensor Circuit Intermittent Low Voltage
- DTC P1114 - ECT Sensor Circuit Intermittent Low Voltage
- DTC P1115 - ECT Sensor Circuit Intermittent High Voltage
- DTC P1121 - TP Sensor Circuit Intermittent High Voltage
- DTC P1122 - 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 (Rear)
- DTC P1139 - Ho2S Insufficient Switching Bank 1, Sensor 2 (Pre-Converter)
- DTC P1140 - Ho2S Transition Time Ratio Bank 1, Sensor 2 (Pre-Converter)
- DTC P1153 - Ho2S Insufficient Switching Bank 2, Sensor 1 (Front)
- DTC P1154 - Ho2S Transition Time Ratio Bank 2, Sensor 1 (Front)
- DTC P1258 - Engine Over-Temperature Protection
- DTC P1320 - Ignition Control (Ic) Module 4X Reference Circuit Intermittent No Pulse
- DTC P1323 - Ignition Control (Ic) Module 24X Reference Circuit Low Frequency
- DTC P1350 - Ignition Control (Ic) System
- DTC P1370 - Ignition Control (Ic) Module 4X Reference Circuit Too Many Pulses
- DTC P1371 - Ignition Control (Ic) Module 4X Reference Circuit Too Few Pulses
- DTC P1375 - Ignition Control (Ic) Module 24X Reference Circuit High Voltage
- DTC P1376 - Ignition Ground Circuit
- DTC P1377 - Ignition Control (Ic) Module Cam Pulse To 4X Reference Pulse Comparison
- DTC P1380 - EBTCM DTC Detected Rough Road Data Unusable
- DTC P1381 - Misfire Detected-No EBTCM/Pcm Serial Data
- DTC P1406 - EGR Valve Pintle Position Circuit
- DTC P1441 - EVAP System Flow During Non-Purge
- DTC P1442 - EVAP Vacuum Switch Voltage High During Ignition On
- DTC P1508 - IAC System Low Rpm
- DTC P1509 - IAC System High Rpm
- DTC P1520 - Gear Indicator System
- DTC P1524 - TP Sensor Learned Closed Throttle Angle Degrees Out Of Range
- DTC P1526 - TP Sensor Learn Not Complete
- DTC P1554 - Cruise Engaged With Circuit Voltage High
- DTC P1560 - Cruise Control System Transaxle Not In Drive
- DTC P1564 - Cruise Control System Vehicle Acceleration Too High
- DTC P1566 - Cruise Control System Engine Rpm Too High
- DTC P1570 - Cruise Control System Traction Control Active
- DTC P1571 - Traction Control System Pulse Width Modulated (PWM) Circuit No Frequency
- DTC P1574 - EBTCM System Stop Light Switch Circuit Voltage High
- DTC P1575 - Extended Travel Brake Switch Circuit Voltage High
- DTC P1576 - Brake Booster Vacuum (BBV) Sensor Circuit Voltage High
- DTC P1577 - Brake Booster Vacuum (BBV) Sensor Circuit Low Voltage
- DTC P1578 - Brake Booster Vacuum (BBV) Sensor Circuit Low Vacuum
- DTC P1579 - Park/Neutral-To-Drive/Reverse At High Throttle Angle
- DTC P1599 - Engine Stall Or Near Stall Detected
- DTC P1602 - Loss Of EBTCM Serial Data
- DTC P1603 - Loss Of Sensing Diagnostic Module Serial Data
- DTC P1604 - Loss Of Instrument Panel Cluster 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 - Pcm Memory Performance
- DTC P1626 - Theft Deterrent System Fuel Enable Circuit
- DTC P1630 - Theft Deterrent System Pcm In Learn Mode
- DTC P1631 - Theft Deterrent System Password Incorrect
- DTC P1632 - Theft Deterrent System Fuel Disabled
- DTC P1633 - Ignition Supplement Power Circuit Voltage Low
- DTC P1634 - Ignition 1 Power Circuit Low Voltage
- DTC P1640 - Driver 1 - Input Voltage High
- DTC P1641 - Malfunction Indicator Light (Mil) Control Circuit
- DTC P1642 - Vehicle Speed Output Circuit
- DTC P1644 - Delivered Torque Output Circuit
- DTC P1645 - EVAP Purge Solenoid Output Circuit
- DTC P1650 - Driver 2 - Input Voltage High
- DTC P1652 - Lift/Dive Output Circuit
- DTC P1654 - Cruise Disable Output Circuit
- DTC P1660 - Cooling Fan Control Circuits