2014 GMC Acadia, Stalls Sometimes, Codes P0689 and P1682

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”

2017 Buick Enclave Alternator Stops Charging

This 2017 Buick Enclave came in with the complaints that the a/c would stop and a “message” would appear in the dash. It took a few times checking this problem out for the problem to actually occur. There were no codes stored in the pcm related to the charging system. There were however low voltage … Continue reading “2017 Buick Enclave Alternator Stops Charging”

2008 Buick Enclave Replacing The Alternator

This 2008 Buick Enclave CXL came in with the complaint that the battery would go dead while driving. The battery light was on and there was a message on the dash to service the charging system. Something else that I noticed but cannot duplicate here is that there was a steady moan from the engine … Continue reading “2008 Buick Enclave Replacing The Alternator”

2010 Buick Enclave CXL, A/C Does Not Cool Well

This 2010 Buick Enclave CXL came in with the complaint that the a/c is not as cold as it should be during the heat of the day. The problem is that with the ambient temperature being 98° F and the heat index at 112°F the best the vent temperature would drop to was the mid … Continue reading “2010 Buick Enclave CXL, A/C Does Not Cool Well”