Clearing Trouble Codes

1994 Jeep Wrangler SE, StandardSECTION Clearing Trouble Codes
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION section before disconnecting battery.

Trouble codes can be cleared by disconnecting negative battery cable for at least 15 seconds, allowing computer system to clear trouble codes. Trouble codes can also be cleared using DRB. See step 4) in ENTERING ON-BOARD DIAGNOSTICSΒ  under SELF-DIAGNOSTIC SYSTEM.

RENDER: 1.0x

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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.