TSB Document:

• SB-10059176-7329.pdf

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

Summary

GMC/CHEVROLET: DUE TO INTERFERENCE WITH ENGINE ACCESSORY DRIVE BELT FROM TRANSMISSION CONTROL MODULE (TCM) WIRE HARNESS ROUTING, THE WIRE HARNESS WILL BE DAMAGED AND HAVE POOR TRANSMISSION PERFORMANCE AND QUALITY SHIFTING AND MALFUNCTION INDICATOR LAMP (MIL) ON. *PE

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