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 RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 387 (ENGINE CONTROL SYSTEM - SELF-DIAGNOSTICS - 4.2L)
2004 Oldsmobile Bravada RWD
Section 387 (Engine Control System - Self-Diagnostics - 4.2L)
2004 Oldsmobile Bravada RWDSECTION Section 387 (Engine Control System - Self-Diagnostics - 4.2L)
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Introduction
- Self-Diagnostic System
- 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
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- System Tests
- Diagnostic Tests
- Notes
- DTC P0013: Camshaft Position "B" Actuator Circuit (Bank 1)
- DTC P0014: Camshaft Position "B" Timing Over Advanced Or System Performance (Bank 1)
- DTC P0105: Map Sensor Circuit - Insufficient Activity
- 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 P0117: ECT Sensor Circuit - Low Voltage
- DTC P0118: ECT Sensor Circuit - High Voltage
- DTC P0122: TP Sensor Circuit - Low Voltage
- DTC P0123: TP Sensor Circuit - High Voltage
- DTC P0125: Excessive Time To Enter Closed Loop Fuel Control
- DTC P0128: Coolant Temperature Below Thermostat Regulating Temperature
- DTC P0130: Ho2S Circuit (Bank 1; Sensor 1)
- DTC P0131: Ho2S Circuit - Low Voltage (Bank 1; Sensor 1)
- DTC P0132: Ho2S Circuit - High Voltage (Bank 1; Sensor 1)
- DTC P0133: Ho2S Circuit - Slow Response (Bank 1; Sensor 1)
- DTC P0134: Ho2S Circuit - Insufficient Activity (Bank 1; Sensor 1)
- DTC P0135 Or P0141: Ho2S Heater Circuit (Bank 1; Sensor 1 Or 2)
- DTC P0137: Ho2S Circuit - Low Voltage (Bank 1; Sensor 2)
- DTC P0138: Ho2S Circuit - High Voltage (Bank 1; Sensor 2)
- DTC P0140: Ho2S Circuit - Insufficient Activity (Bank 1; Sensor 2)
- DTC P0171: Fuel Trim System - Lean (Bank 1)
- DTC P0172: Fuel Trim System - Rich (Bank 1)
- DTC P0201-P0206: Fuel Injector Control Circuit
- DTC P0300: Random/Multiple Cylinder Misfire Detected
- DTC P0301-P0306: Cylinder Misfire Detected
- DTC P0326: Knock Sensor 1 Circuit - Range/Performance (Bank 1)
- DTC P0327 Or P0332: Knock Sensor 1 Circuit - Low Voltage (Bank 1)
- DTC P0335: Crankshaft Position Sensor "A" Circuit
- DTC P0336: Crankshaft Position Sensor "A" Circuit Range/Performance
- DTC P0340: Camshaft Position Sensor "A" Circuit (Bank 1)
- DTC P0341: Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1)
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
- DTC P0440: Evaporative Emission Control System
- DTC P0442: EVAP System - Small Leak Detected
- DTC P0446: EVAP Vent Valve Control Circuit
- DTC P0452: EVAP System Pressure Sensor - Low Input
- DTC P0453: EVAP System Pressure Sensor - High Input
- DTC P0502: Vehicle Speed Sensor - Low Output
- DTC P0503: Vehicle Speed Sensor - Intermittent
- DTC P0506: Idle Control System - Low Rpm
- DTC P0507: Idle Control System - High Rpm
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 Or P2610: Pcm Memory
- DTC P1120: Throttle Position Sensor 1 Circuit
- DTC P1133: Ho2S Circuit - Insufficient Switching (Sensor 1)
- DTC P1134: Ho2S Transition Time Ratio (Bank 1; Sensor 1)
- DTC P1137: Ho2S Circuit - Lean System (Bank 1; Sensor 2)
- DTC P1138: Ho2S Circuit - High Voltage (Bank 1; Sensor 2)
- DTC P1171: Fuel System Lean During Acceleration
- DTC P1220: Throttle Position Sensor 2 Circuit
- DTC P1221: Throttle Position Sensors 1 & 2 Correlation
- DTC P1271: Accelerator Pedal Position Sensors 1 & 2 Correlation
- DTC P1275: Accelerator Pedal Position Circuit (Sensor 1)
- DTC P1280: Accelerator Pedal Position Circuit (Sensor 2)
- DTC P1336: Crankshaft System Variation Not Learned
- DTC P1345: Crankshaft/Camshaft Position Sensor Correlation
- DTC P1380: Misfire Detected - Rough Road Data Not Available
- DTC P1381: Misfire Detected - No Communication With Brake Control Module
- DTC P1441: EVAP System Flow During Non-Purge
- DTC P1512: Intake Manifold Runner Control Stuck Closed (Bank 1)
- DTC P1514: Throttle Body Performance
- DTC P1515: Commanded Vs. Actual Throttle Position Performance (Pcm)
- DTC P1516: Commanded Vs. Actual Throttle Position Performance (TAC Module)
- DTC P1523: Throttle Closed Position Performance
- DTC P1633: Ignition 0 Circuit Performance
- DTC P1635: 5-Volt Reference "A" Circuit
- DTC P1639: 5-Volt Reference "B" Circuit
- DTC P1682: Driver 5; Line 2
- 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.