Clearing Fault Codes

1993 Chevrolet Sportvan G20, 5.7 KSECTION Clearing Fault Codes

Turn ignition on. Using a jumper wire, connect DLC terminal "H" to terminal "A" for 2 seconds. Remove jumper wire for one second. Again, jumper DLC connector terminal "H" to "A" for 2 seconds. Remove jumper wire. Fault codes are cleared when ANTILOCK and BRAKE lights illuminate, then turn off. Turn ignition off. Check to verify codes are cleared. See RETRIEVING CODES.

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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.