1998 GMC Jimmy 2D Utility, RWD, AutomaticFACTORY OEM SERVICE PROCEDURE

TBC/BCM Relearn Procedure: Notes

NOTE: A scan tool can be used to perform relearn procedure. Refer to scan tool manufacturer's instructions. Procedure will take about 10 minutes with use of scan tool.

Relearn procedure should be performed if any of the following components are replaced, PassLock(R) sensor, TBC Module, PCM or VCM. Performing relearn procedure without the use of a scan tool will take about 30 minutes.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.

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