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2015 GMC Sierra 1500

//2015 GMC Sierra 1500

2015 GMC Sierra 1500

GMC Sierra 1500

Mileage
248,358
Service Date
8/12/2021
Services Performed
  • Road test to verify complaint. Interface with vehicle electronics to pull fault codes and available data,compare to known good values. Research TSB's,recalls,and known pattern failures. Pinpoint testing of suspect components. Full code scan, full charging system test. battery charged for 2 hours. battery ok, alternator failed test. truck commanding 91% duty cycle but no voltage on l terminal of alternator. customer stated was at another shop for this issue and a pcm was replaced. possible pcm issue or wiring harness issue
 
Mario P. gave our service a 5 star review on 8/14/2021
2021-08-18T22:00:31+00:00