Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 432 (ENGINE CONTROLS - SELF DIAGNOSTICS - 8.1L)
2004 Oldsmobile Bravada AWD
Section 432 (Engine Controls - Self Diagnostics - 8.1L)
2004 Oldsmobile Bravada AWDSECTION Section 432 (Engine Controls - Self Diagnostics - 8.1L)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Suburban, and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Introduction
- Self-Diagnostic System
- On-Board Diagnostics
- Intermittent Conditions
- Notes
- Preliminary
- Harness or Connector Intermittents
- Electrical Connections or Wiring
- Control Module Power & Grounds, & Component Power & Grounds
- Temperature Sensitivity
- Electromagnetic Interference (EMI) and Electrical Noise
- Incorrect PCM Programming
- Duplicating Failure Conditions
- Scan Tool Snapshot
- Vehicle Data Recorder
- Diagnostic Starting Point - Engine Controls
- Diagnostic System Check - Engine Controls
- Diagnostic System Check - Engine Cooling
- Power Mode Mismatch
- Retrieving Diagnostic Trouble Codes
- Clearing Diagnostic Trouble Codes
- Powertrain Control Module Location
- Programming
- Drive Cycles
- Notes
- Inspection/Maintenance System Check
- Inspection/Maintenance Complete System Set Procedure
- Inspection/Maintenance Catalyst 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
- Inspection/Maintenance Exhaust Gas RECIRCULATION (EGR) System Set Procedure
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- System Tests
- Diagnostic Tests
- Notes
- DTC P0101: Mass Air Flow Sensor Performance
- DTC P0102: Mass Air Flow Sensor Circuit - Low Frequency
- DTC P0103: Mass Air Flow Sensor Circuit - High Frequency
- DTC P0106: Map System Performance
- DTC P0107: Map Sensor Circuit - Low Voltage
- DTC P0108: Map Sensor Circuit - High Voltage
- DTC P0112: IAT Sensor Circuit - Low Voltage
- DTC P0113: IAT Sensor Circuit - High Voltage
- DTC P0116: ECT Sensor Performance (Sierra & SILVERADO)
- DTC P0116: ECT Sensor Performance (Avalanche, Suburban & YUKON XL)
- DTC P0117: ECT Sensor Circuit - Low Voltage
- DTC P0118: ECT Sensor Circuit - High Voltage
- DTC P0120: TP Sensor Circuit
- DTC P0125: Excessive Time To Enter Closed Loop Fuel Control (Sierra & SILVERADO)
- DTC P0125: Excessive Time To Enter Closed Loop Fuel Control (Avalanche, Suburban & YUKON XL)
- DTC P0128: ECT Less Than Thermostat Regulating Temperature (Sierra & SILVERADO)
- DTC P0128: ECT Less Than Thermostat Regulating Temperature (Avalanche, Suburban & YUKON XL)
- DTC P0131: Ho2S Circuit - Low Voltage - Bank 1, Sensor 1 & DTC P0151: Ho2S Circuit - Low Voltage - Bank 2, Sensor 1
- DTC P0132: Ho2S Circuit - High Voltage - Bank 1, Sensor 1 & DTC P0152: Ho2S Circuit - High Voltage - Bank 2, Sensor 1
- DTC P0133: Ho2S Circuit - Slow Response - Bank 1, Sensor 1 & DTC P0153: Ho2S Circuit - Slow Response - Bank 2, Sensor 1
- DTC P0134 & P0154: Ho2S Circuit - Insufficient Activity - Bank 1 & 2, Sensor 1
- DTC P0135: Ho2S Heater Circuit - Bank 1, Sensor 1, DTC P0141: Ho2S Heater Circuit - Bank 1, Sensor 2, DTC P0155: Ho2S Heater Circuit - Bank 2, Sensor 1 & DTC P0161: Ho2S Heater Circuit - Bank 2, Sensor 2
- DTC P0137: Ho2S Circuit - Low Voltage - Bank 1, Sensor 2 & DTC P0157: Ho2S Circuit - Low Voltage - Bank 2, Sensor 2
- DTC P0138: Ho2S Circuit - High Voltage - Bank 1, Sensor 2 & DTC P0158: Ho2S Circuit - High Voltage - Bank 2, Sensor 2
- DTC P0140: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 2 & DTC P0160: Ho2S Circuit - Insufficient Activity - Bank 2, Sensor 2
- DTC P0171: Fuel Trim System Lean - Bank 1 & DTC P0174: Fuel Trim System Lean - Bank 2
- DTC P0172: Fuel Trim System Rich - Bank 1 & DTC P0175: Fuel Trim System Rich - Bank 2
- DTC P0200: Fuel Injector Control Circuit
- DTC P0220: Throttle Position Sensor 2 Circuit
- DTC P0230: Fuel Pump Control Relay Circuit
- DTC P0300-P0308: Engine Misfire Detected
- DTC P0315: Crankshaft Position Sensor Variation Not Learned
- DTC P0325: Knock Sensor Module Circuit
- DTC P0327: Knock Sensor Circuit - Low Voltage - Sensor 1 & DTC P0332: Knock Sensor Circuit - Low Voltage - Sensor 2
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0336: Crankshaft Position Sensor Circuit Performance
- DTC P0341: Camshaft Position Sensor Circuit Performance
- DTC P0342: Camshaft Position Sensor Signal Low
- DTC P0343: Camshaft Position Sensor Signal High
- DTC P0351-P0358: Ignition Control Circuit
- DTC P0401: EGR System - Insufficient Flow
- DTC P0404: EGR Valve Open Pintle Position
- DTC P0405: EGR Valve Pintle Position Circuit - Low Voltage
- DTC P0420: : TWC System - Low Efficiency - Bank 1 & DTC P0430: TWC System - Low Efficiency - Bank 2
- DTC P0442: EVAP System - Small Leak
- DTC P0443: EVAP Purge Solenoid Control Circuit
- DTC P0446: EVAP Vent Valve Performance
- DTC P0449: EVAP Vent Valve Performance
- DTC P0452: Fuel Tank Pressure Sensor - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor - High Voltage
- DTC P0455: EVAP System Leak Detected - Gross Leak/No Flow
- DTC P0496: EVAP System High Purge Flow
- DTC P0506: Idle Control System - Rpm Low & DTC P0507: Idle Control System - Rpm High
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 & P2610: Pcm Memory
- DTC P0641: 5-Volt Reference Circuit Out Of Range
- DTC P0650: Malfunction Indicator Lamp Control Circuit
- DTC P0651: Sensor Reference Voltage "B" Circuit/Open
- DTC P0700: Transmission Control System (Mil Request)
- DTC P0802: Transmission Control System Mil Request Circuit Open
- DTC P1106: Map Sensor Circuit Intermittent High Voltage
- DTC P1107: Map 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 P1125: Accelerator Pedal Position Sensors Out Of Range Or Disagree
- DTC P1133: Ho2S Circuit - Insufficient Switching - Bank 1, Sensor 1 & DTC P1153: Ho2S Circuit - Insufficient Switching - Bank 2, Sensor 1
- DTC P1172: Secondary Fuel Pump Transfer Malfunction
- DTC P1258
- DTC P1380: EBCM DTC Detected Rough Road Data Unstable
- DTC P1381: Misfire Detected - No EBCM/Pcm Serial Data
- DTC P1404: EGR Valve Closed Pintle Position
- DTC P1514: Airflow Rate Excessive
- DTC P1515: Predicted Vs Actual Throttle Position Correlation Error
- DTC P1516: Predicted Vs Actual Throttle Position Correlation Error
- DTC P1518: Throttle Actuator Control Module Serial Data Fault
- DTC P2108: Throttle Actuator Control Module Circuit Fault
- DTC P2120: App Sensor 1 Signal Or App Sensor 5-Volt Reference Out Of Range
- DTC P2121: App Sensor 1 Signal And App Sensor 2 Signal Circuits Out Of Correlation
- DTC P2125: App Sensor 2 Signal Or App Sensor 5-Volt Reference Out Of Range
- DTC P2135: TP Sensors No. 1 & 2 Signals Disagree Or Signal Voltages Out Of Range
- Wiring Diagrams
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.