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Home >> GMC >> 1998 >> Envoy >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Module >> TBC Module Programming/RPO Configuration >> Body Control Module >> Programming Procedure

Programming Procedure

  1. Ensure battery is fully charged. Turn ignition switch to RUN position. Program TBC module using scan tool. Refer to Techline(R) terminal and equipment user's instructions.
  2. If TBC module fails to program, check all connections. Ensure latest software version for scan tool is used. Retry programming TBC module. If programming fails again, replace TBC module.
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