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 MANUALSBUICK2005RAINIER AWD L6-4.2L VIN SREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTECHNICAL SERVICE BULLETINS
2005 Buick Rainier AWD L6-4.2L VIN S
Powertrain Management: Technical Service Bulletins
2005 Buick Rainier AWD L6-4.2L VIN SSECTION Technical Service Bulletins
- Recalls
- Customer Interest
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- Drivetrain - Service 4WD Light/DTC C0374 Set
- Ignition System - MIL ON/Misfire DTC's In Wet Weather
- Electrical - SES Lamp ON/DTC's P0480/P0526/P1481/P1484
- Drivetrain - 4X4 Lamp Flashing/4WD Inoperative/DTC's Set
- Interior - Erratic Adjustable Pedal Operation/DTC B3606
- Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - Key Will Not Release From Ignition Lock Cylinder
- Instruments - Erratic Speedometer Operation
- Drivetrain - Transfer Case Grinds In 4WD/AWD
- By Symptom
- Abnormal wear/deterioration
- Customer Interest
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- Drivetrain - Service 4WD Light/DTC C0374 Set
- Ignition System - MIL ON/Misfire DTC's In Wet Weather
- Electrical - SES Lamp ON/DTC's P0480/P0526/P1481/P1484
- Drivetrain - 4X4 Lamp Flashing/4WD Inoperative/DTC's Set
- Interior - Erratic Adjustable Pedal Operation/DTC B3606
- Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - Key Will Not Release From Ignition Lock Cylinder
- Instruments - Erratic Speedometer Operation
- Drivetrain - Transfer Case Grinds In 4WD/AWD
- Driveability
- Erratic Operation
- Erratic Shifting
- Inoperative
- Leaks
- Loose
- No shift/Incorrect gear engagement
- Noise
- Poor performance
- Recalls
- Starting problems
- All Technical Service Bulletins
- Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
- Vehicle - Engine And Sub-Systems Flushing Recommendations
- Engine - THIS BULLETIN HAS BEEN CANCELED
- Fuel System - Fuel Injector Maintenance Cleaning
- Fuel System - GM Fuel System Treatment PLUS(R) Info.
- A/T Controls - Snapshot Data With Tech2(R) Information
- Campaign - Fuel Level Sensor Contact Wear
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- A/T Control - DTC P0756 Diagnostic Tips
- Electrical - Reducing Intermittent Electrical Concerns
- A/T - Diagnostic Information for DTC's P0894/P1870
- Drivetrain - Service 4WD Light/DTC C0374 Set
- Ignition System - MIL ON/Misfire DTC's In Wet Weather
- Electrical - SES Lamp ON/DTC's P0480/P0526/P1481/P1484
- Engine Controls - MIL Function During I/M Testing
- Electrical - Harness Connection Inspection
- Memory Systems - Personalization Feature Changes
- Campaign - PCM Replacement
- Engine, A/T Controls - Shared Diagnostic Trouble Codes
- Secondary Air Injection - Revised Pipe Replacement
- Electrical - Effect of AIR System on Headlamp Flickering
- Accessories - DTC's P0300, P1380, P1381
- Drivetrain - 4X4 Lamp Flashing/4WD Inoperative/DTC's Set
- Interior - Erratic Adjustable Pedal Operation/DTC B3606
- Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
- Drivetrain - Transfer Case Control Module Replacement
- Fuel - Top Tier Detergent Gasoline Information
- Fuel System - E85 Refueling Station Information
- Drivetrain - Updated Transfer Case Speed Sensor Conn.
- Emissions - OBDII I/M Readiness Testing
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - Shift Lock Control Actuator Available
- A/T - Key Will Not Release From Ignition Lock Cylinder
- Fuel System - E85 Fuel Usage Precautions
- Instruments - Erratic Speedometer Operation
- Exhaust System - Catalytic Converter Precautions
- Fuel System - E85 Fuel Usage Precaution
- Emission - Emissions Programming Warranty Coverage
- Engine/Fuel System - Oil/Fuel Additive Information
- Drivetrain - Transfer Case Grinds In 4WD/AWD
- Fuel System - TOP TIER Detergent Gasoline (Canada)
- Fuel System - TOP TIER Detergent Gasoline
- Fuel System - TOP TIER Detergent Gasoline Information (Canada)
RENDER: 1.0x
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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.