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 MANUALSPONTIAC1997GRAND PRIX GTP, 4D SEDANREPAIR AND DIAGNOSISBRAKESANTI-LOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEM - ABS-VISYMPTOM DIAGNOSTIC TESTSTEST F: SCAN TOOL DISPLAYS UNDEFINED DTCS
1997 Pontiac Grand Prix GTP, 4D Sedan
Test F: Scan Tool Displays Undefined DTCS
1997 Pontiac Grand Prix GTP, 4D SedanSECTION Test F: Scan Tool Displays Undefined DTCS
- Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK . After performing diagnostic system check, go to next step.
- Turn ignition off. Install scan tool. Turn ignition on. Using scan tool, clear any ABS DTCs. Turn ignition off. Turn ignition on. If undefined DTC(s) reset, go to next step. If undefined DTC(s) does not reset, go to step 4).
- Replace EBCM. After repairs, perform DIAGNOSTIC SYSTEM CHECK .
- Malfunction is not currently present.
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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.