GMC TSB #PIE-0290
2014 GMC Sierra 3500
Affected Component: ENGINE (PWS)
- Summary
- GM: A MALFUNCTION LIGHT IS ON AND/OR THERE MAY BE A NO START CONDITION BECAUSE OF LOOSE TERMINAL OR BENT PINS ON TCM HARNESS. DO NOT PROCEED WITH THIS EI IF THE CUSTOMER DOES NOT BRING THE VEHICLE IN FOR THIS CONCERN. ENGINEERS ARE ATTEMPTING TO DETERMINE THE ROOT CAUSE. *JS