Engine Control System - Self-Diagnostics - 4.6L
- Introduction
- Self-Diagnostic System
- Diagnostic System Checks
- Programming
- Inspection/Maintenance Procedures
- Drive Cycles
- Inspection/Maintenance System Check
- Inspection/Maintenance Complete System Set Procedure
- Inspection/Maintenance Air System Set Procedure
- Inspection/Maintenance Catalyst System Set Procedure
- Inspection/Maintenance Exhaust Gas RECIRCULATION System Set Procedure
- Inspection/Maintenance Evaporative Emission System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor Heater System Set Procedure
- Summary
- Diagnostic Trouble Code Definitions
- System Tests
- Diagnostic Tests
- Notes
- DTC P0030: Heated Oxygen Sensor Heater Control Circuit - Bank 1 Sensor 1 - DEVILLE & SEVILLE
- DTC P0030: Heated Oxygen Sensor Heater Control Circuit - Bank 1 Sensor 1 - ELDORADO
- DTC P0036: Heated Oxygen Sensor Heater Control Circuit - Bank 1 Sensor 2 - DEVILLE & SEVILLE
- DTC P0036: Heated Oxygen Sensor Heater Control Circuit - Bank 1 Sensor 2 - ELDORADO
- DTC P0101: Mass Airflow Sensor System Performance
- DTC P0102: Mass Airflow Sensor Circuit Low Frequency
- DTC P0103: Mass Airflow Sensor Circuit High Frequency
- DTC P0106: Manifold Absolute Pressure System Performance
- DTC P0107: Manifold Absolute Pressure Sensor Circuit Low Voltage
- DTC P0108: Manifold Absolute Pressure Sensor Circuit High Voltage
- DTC P0112: Intake Air Temperature Sensor Circuit Low Voltage
- DTC P0113: Intake Air Temperature Sensor Circuit High Voltage
- DTC P0117: Engine Coolant Temperature Sensor Circuit Low Voltage
- DTC P0118: Engine Coolant Temperature Sensor Circuit High Voltage
- DTC P0121: Throttle Position Sensor Circuit Insufficient Activity
- DTC P0122: Throttle Position Sensor Circuit Voltage Low
- DTC P0123: Throttle Position Sensor Circuit High Voltage
- DTC P0125: Engine Coolant Temperature Excessive Time To Reach Closed Loop
- DTC P0130: Closed Loop Rationality - Bank 1 Sensor 1
- DTC P0131: Heated Oxygen Sensor Circuit Low Voltage - Bank 1 Sensor 1
- DTC P0132: Heated Oxygen Sensor Circuit High Voltage - Bank 1 Sensor 1
- DTC P0133: Heated Oxygen Sensor Slow Response - Bank 1 Sensor 1
- DTC P0134: Heated Oxygen Sensor Insufficient Activity - Bank 1 Sensor 1
- DTC P0135: Heated Oxygen Sensor Heater Circuit - Bank 1 Sensor 1
- DTC P0137: Heated Oxygen Sensor Circuit Low Voltage - Bank 1 Sensor 2
- DTC P0138: Heated Oxygen Sensor Circuit High Voltage - Bank 1 Sensor 2
- DTC P0140: Heated Oxygen Sensor Insufficient Activity - Bank 1 Sensor 2
- DTC P0141: Heated Oxygen Sensor Heater Circuit - Bank 1 Sensor 2
- DTC P0150: Closed Loop Rationality - Bank 2 Sensor 1
- DTC P0151: Heated Oxygen Sensor Circuit Low Voltage - Bank 2 Sensor 1
- DTC P0152: Heated Oxygen Sensor Circuit High Voltage - Bank 2 Sensor 1
- DTC P0153: Heated Oxygen Sensor Slow Response - Bank 2 Sensor 1
- DTC P0154: Heated Oxygen Sensor Circuit Insufficient Activity - Bank 2 Sensor 1
- DTC P0155: Heated Oxygen Sensor Heater Circuit - 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-P0208: Injector Control Circuit
- DTC P0230: Fuel Pump Control Circuit
- DTC P0300-P0308: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Circuit
- DTC P0326: Knock Sensor Circuit Excessive Spark Retard
- DTC P0327: Knock Sensor Low Voltage
- DTC P0335: Crankshaft Position Sensor "A" Circuit
- DTC P0336: Crankshaft Position Sensor "A" Performance
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0341: Camshaft Position Sensor Performance
- DTC P0351: Ignition Coil No. 1 Control Circuit
- DTC P0352: Ignition Coil No. 2 Control Circuit
- DTC P0353: Ignition Coil No. 3 Control Circuit
- DTC P0354: Ignition Coil No. 4 Control Circuit
- DTC P0355: Ignition Coil No. 5 Control Circuit
- DTC P0356: Ignition Coil No. 6 Control Circuit
- DTC P0357: Ignition Coil No. 7 Control Circuit
- DTC P0358: Ignition Coil No. 8 Control Circuit
- DTC P0385: Crankshaft Position Sensor "B" Circuit
- DTC P0386: Crankshaft Position Sensor "B" Performance
- DTC P0401: Exhaust Gas RECIRCULATION Flow Insufficient
- DTC P0403: Exhaust Gas RECIRCULATION Solenoid Control Circuit
- DTC P0404: Exhaust Gas RECIRCULATION Open Position Performance
- DTC P0405: Exhaust Gas RECIRCULATION Position Sensor Circuit Low Voltage
- DTC P0410: Secondary Air Injection
- DTC P0412: Secondary Air Injection Solenoid Control Circuit
- DTC P0418: Secondary Air Injection Pump Relay Control Circuit
- DTC P0420: Catalyst System Low Efficiency
- DTC P0440: Evaporative Emission System
- DTC P0442: Evaporative Emission System Small Leak Detected
- DTC P0443: Evaporative Emission Purge Valve 1 Control Circuit
- DTC P0446: Evaporative Emission Vent Valve Control System
- DTC P0449: Evaporative Emission Vent Valve Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0480: Cooling Fan Relay No. 1 Control Circuit
- DTC P0481: Cooling Fan Relay No. 2 Control Circuit
- DTC P0506: Idle Speed Low Or DTC P0507: Idle Speed High
- DTC P0560: System Voltage
- DTC P0562: System Voltage Low
- DTC P0563: System Voltage High
- DTC P0601: Control Module Read Only Memory
- DTC P0602: Control Module Not PROGRAMED
- DTC P0603: Control Module Long Term Memory Reset
- DTC P0604: Control Module Random Access Memory
- DTC P0606: Control Module Internal Performance
- DTC P0650: Malfunction Indicator Light Control Circuit
- DTC P1031: Ho2S Heater Current Monitor Control Circuit - Banks 1 & 2, Sensor 1 Or DTC P1032: Ho2S Heater Warm-Up Control Circuit - Banks 1 & 2, Sensor 1
- DTC P1106: Manifold Absolute Pressure Sensor Circuit Intermittent High Voltage
- DTC P1107: Manifold Absolute Pressure Sensor Circuit Intermittent Low Voltage
- DTC P1111: Intake Air Temperature Sensor Circuit Intermittent High Voltage
- DTC P1112: Intake Air Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1114: Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1115: Engine Coolant Temperature Sensor Circuit Intermittent High Voltage
- DTC P1121: Throttle Position Sensor Circuit Intermittent High Voltage
- DTC P1122: Throttle Position Sensor Circuit Intermittent Low Voltage
- DTC P1133: Heated Oxygen Sensor Insufficient Switching - Bank 1 Sensor 1
- DTC P1134: Heated Oxygen Sensor Transition Time Ratio - Bank 1 Sensor 1
- DTC P1153: Heated Oxygen Sensor Insufficient Switching - Bank 2 Sensor 1
- DTC P1154: Heated Oxygen Sensor Transition Time Ratio - Bank 2 Sensor 1
- DTC P1258: Engine Coolant OVERTEMPERATURE - Protection Mode Active
- DTC P1336:Crankshaft Position System Variation Not Learned
- DTC P1359: Ignition Coil Group 1 Control Circuit
- DTC P1360: Ignition Coil Group 2 Control Circuit
- DTC P1372: Crankshaft Position Sensor "A" & "B" Correlation
- DTC P1380: Misfire Detected - Rough Road Data Not Available
- DTC P1381: Misfire Detected - No Communication With Brake Control Module
- DTC P1404: Exhaust Gas RECIRCULATION Closed System Performance
- DTC P1415: Secondary Air Injection System Bank 1
- DTC P1416: Secondary Air Injection System Bank 2
- DTC P1441: Evaporative Emission System Flow During Non-Purge
- DTC P1575: Extended Travel Brake Switch Circuit Voltage High
- DTC P1621: Powertrain Control Module Memory Performance
- DTC P1624: Customer Snapshot Requested - Data Available
- DTC P1635: 5-Volt Reference 1 Circuit
- DTC P1639: 5-Volt Reference 2 Circuit - DEVILLE & SEVILLE
- DTC P1639: 5-Volt Reference 2 Circuit - ELDORADO