TSB Document:

• SB-10044391-8104.pdf

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

Summary

GMC/CHEVROLET: MALFUNCTION INDICATOR LAMP (MIL) IS ILLUMINATED AND HAS A HARSH SHIFT 1-2. THE TCC ENABLE SOLENOID AND WIRE HARNESS SHOULD BE REPLACED WHEN REPAIRS ARE PERFORMED ON TRANSMISSION. *PE

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