This 2014 GMC Enclave came in with the complaint that the engine would fail to start sometimes and occasionally stall while driving. Multiple warning lights would come on in the dash. I checked codes and found codes P0689 and P1682 stored in the PCM. In researching the codes I found a GM TSB #19-NA-276 I … Continue reading "2014 GMC Acadia, Stalls Sometimes, Codes P0689 and P1682"
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