All BCM Features Inoperative

1997 Pontiac Grand Prix GTP, 4D SedanSECTION All BCM Features Inoperative

Check for a low battery. Check for an open in circuit No. 240 (Orange wire), No. 443 (Yellow wire), No. 1445 (Orange/Black wire) or No. 1550 (Black wire). See WIRING DIAGRAM  . If battery and circuits are okay, replace BCM. See REMOVAL & INSTALLATION  .

RENDER: 1.0x

NO RELATED

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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.