Anybody able to offer some guidance on how to troubleshoot the connection between the charging port and the on-board charger?
My MY13 quit charging. It's not the EVSE, reset the 12V power source, still no luck. Port looks ok, no bent pins, the car has never spent a night outside the garage.
Error code p1ee6, which means the on-board charger is not seeing voltage. Any fuses between the port and the on-board charger?
In gen 2 there are two regular metric fuses as part of the EVSE port connection in the fender, I know from my port being ripped out at work!
I would look for codes with a good ODBII scanner
Reaching out for any further advice how to proceed.
Dropped the bumper and was able to confirm continuity from the port to the OBCM. I get voltage at the onboard charger for a few seconds then it goes out. Any other ideas before I go looking for a new onboard charger and potentially throw some good money after bad?
I did. The resistance between the receptacle and the charger is 0.3 Ohm on both legs. Now, I tested for a short at the receptacle (X98), not at the charger (infinite resistance). With proven continuity, a lack of a short to ground at that level should cover the charger too.
Unfortunately, I don't have access to GMTIS, at least not in English.
The power BEFORE the OBCM goes out after a few seconds of plugging. Does the onboard charger have control over that? Some feedback loop? I wonder if this behavior may be indicative of hybrid powertrain module 2 issue.
Just to update you, folks. I replaced the onboard charger with a used one off Ebay. $400+. I was afraid I was throwing good money after bad, but it worked out. My car is charging. I hope it lasts for the life of the vehicle as these parts will be ever more difficult to obtain.
Seems like a good price. I think new go for around $1200 or so?
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