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GMC TSB #PIP-5009-D
2012 GMC Sierra 2500
TSB Document:
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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