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 277 (BODY CONTROL MODULES)SELF-DIAGNOSTIC SYSTEMPOWER SUN ROOF DIAGNOSTIC SYSTEM CHECK
2004 Oldsmobile Bravada AWD
Power Sun Roof Diagnostic System Check
2004 Oldsmobile Bravada AWDSECTION Power Sun Roof Diagnostic System Check
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
- Connect scan tool to Data Link Connector (DLC). DLC is located below driver side of instrument panel, near steering column. If scan tool powers up, go to next step. If scan tool does not power up, perform TEST A: SCAN TOOL DOES NOT POWER UP under SYSTEM TESTS.
- Turn ignition switch to RUN position. Using scan tool, attempt to communicate with Dash Integration Module (DIM) and Rear Integration module (RIM). If scan tool communicates with DIM and RIM, go to next step. If scan tool does not communicate with DIM and RIM, perform TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS.
- Using scan tool, access CLASS 2 POWER MODE. Cycle ignition switch through all positions while observing ignition switch power mode parameter. If ignition switch parameter matches ignition switch positions, go to next step. If ignition switch parameter does not match ignition switch positions, perform TEST C: POWER MODE MISMATCH under SYSTEM TESTS.
- Using scan tool, select DISPLAY DTCs for DIM and RIM. If scan tool displays any DTCs, go to next step. If scan tool does not display any DTCs, repair power sun roof by symptom. See POWER SUN ROOFS - DEVILLE & AURORA article.
- If scan tool does not display any DTCs which begin with "U", go to next step. If scan tool displays any DTCs which begin with "U", perform TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS.
- Perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .
CAUTION:
Engine may start. Turn ignition switch to OFF position as soon as you have observed crank power mode.
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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.