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 MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 698 (BODY CONTROL SYSTEM)REPAIR INSTRUCTIONSBODY CONTROL MODULE (BCM) PROGRAMMING/RPO CONFIGURATION (RIM)PROCEDURE TO CALIBRATE A REAR INTEGRATION MODULE (RIM)
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Procedure to Calibrate a Rear Integration Module (RIM)
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Procedure to Calibrate a Rear Integration Module (RIM)
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
After replacement of the RIM, perform the following procedure to recalibrate the automatic level control.
- Ensure the scan tool has been updated with the latest software version.
- Connect a scan tool to the Data Link Connector (DLC).
- Turn ON the ignition, with the engine OFF.
- Under the Chassis Main Menu, select Rear Integration Module.
- Under the Rear Integration Module Main Menu, select Recalibration.
- Follow the scan tool on screen instructions to recalibrate the automatic level control.
- Perform the vehicle personalization settings. Refer to PERSONALIZATION DESCRIPTION AND OPERATION .
Important: After programming, perform the following to avoid future misdiagnosis:
- Turn the ignition OFF for 10 seconds.
- Connect the scan tool to the data link connector.
- Turn the ignition ON with the engine OFF.
- Use the scan tool in order to retrieve History DTCs from all modules.
- Clear all history DTCs.
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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.