2005 Chevrolet Uplander Q&A
2005 Chevrolet Uplander Question: Charging System Failure
After 20 minutes of running, first time in the morning, I get a charging system failure. It always happens while on a highway at higher speeds. Then the light goes away and does not come back the rest of the day even after letting it sit for several hours. Positive cable to battery has been replaced but did not solve the problem. No other steps has been taken at this time. Any suggestions? - Bert0513
Looks like the alternator started to fail. I'd do a charging system test, however if the problem is intermittent the test might show a good alternator. Zee - ZeeTech
On the information center a message comes on saying that charging system failure. After the engine runs for a few minutes the message goes away. I put a load tester on the sys...
A message on the information center shows charging failure. I put a load tester on the system and it shows weak charging system what is most like to be the problem?