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 102 (INSTRUMENT PANEL - ANALOG)SELF-DIAGNOSTIC SYSTEMSCAN TOOL INOPERATIVE
2004 Oldsmobile Bravada AWD
Scan Tool Inoperative
2004 Oldsmobile Bravada AWDSECTION Scan Tool Inoperative
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1999 Oldsmobile Bravada, 1999 GMC Sonoma, 1999 GMC Jimmy, 1999 GMC Envoy, and 1999 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- Remove scan tool from Data Link Connector (DLC). Connect test light between ground and DLC terminal No. 16 (Orange wire). See WIRING DIAGRAMS . Also see appropriate wiring diagram in DATA LINK CONNECTORS article in WIRING DIAGRAMS. If test light comes on, go to step 3). If test light does not come on, go to next step.
- Repair open in Orange wire between DLC and CIGAR LTR fuse (15-amp), located in instrument panel fuse block. Reconnect scan tool. If scan tool does not power up, go to next step.
- Connect test light between DLC terminals No. 5 (Black/White wire) and No. 16 (Orange wire). If test light comes on, go to step 5). If test light does not come on, go to next step.
- Repair open in Black/White wire between left instrument panel junction block and DLC. Reconnect scan tool. If scan tool does not power up, go to next step.
- Connect test light between DLC terminals No. 4 (Black wire) and No. 16 (Orange wire). If test light comes on, go to next step. If test light does not come on, go to step 7).
- Scan tool may be inoperative. Check scan tool operator's manual.
- Repair open in Black wire between DLC and ground. Reconnect scan tool. If scan tool does not power up, go to step 6).
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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.