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Discussion Starter · #1 ·
This morning I took off to run an errand. As I first drove, a message popped up that something had been detected and I needed to contact my dealership for an appointment. The check engine light was on too.

Since I plan to go out of town with the car on Sunday, I decided I would have it looked at ASAP. I called my dealership (Concord California) and they told me to bring it in before noon and they would get it diagnosed today and then hopefully adjusted tomorrow.

At 5:00 PM I got a call and they said that they were stumped by my car as no codes were displayed when they hooked it up. They said that there should be a code referencing an impacted circuit, but there is no code. This confounds them as the check engine light is on.

I reminded that that last month they had done the big recall on it. Since that time I have noticed that rather than saying 100% charge after it has fully charged, it now only says 99%. Any case, he said that they were at a loss as to how to proceed and that they will have to reach out to specialists. It is possible that they might get it figured out but he said not to count on it. Figure if they can't figure it out tomorrow (Friday) they wouldn't be able to do anything until after the weekend.

Any case, I'll post again once they figure it out. Sure glad I have another vehicle!
 

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With Hybrid,, they need to do a COMPLETE FAULT CODE SEARCH of all onboard modules.....

Searching engine for DTC when you have HYBRID concern will get them nowhere,, they need to run the Hybrid modules......

Ask them to print you copy of search,, they can do that,,, lets see what up
 

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Discussion Starter · #3 ·
At noon today they called and said that they had managed to get a code by going into history. They surmised that the error had been triggered before they completed the Battery Management System recall on my car and that they had neglected to clear it after they performed the recall. I don't understand why the check engine light didn't go on until yesterday (three weeks after they had completed the BMS recall on my car).

When they called me yesterday and told me that they couldn't pull any code, I mentioned that ever since the BMS update was performed, my car only charged to 99% rather than 100%. They looked into this issue and could not find any cause. If I want to pursue this issue, they request I try charging my car from a different outlet and then if the result is still 99%, I could take it in for service and they would try charging it. If it is still 99%, they would have see what they can figure out.

Any case, I have copied the notes from the service tech below:

Inspected for customer concern. Verified check engine light turned on. Pulled code and found history code P1E0A battery charger output voltage too high. Checked for TSBS and TSB 18-01-020 OBC system update. Checked if update was performed and found already completed. May have forgotten to clear code after update. Performed code clearing and check engine light turned off. Road tested and found OK at this time. No check engine light or message displayed at this time.

Inspected for customer concern plug in hybrid charges to 99% when before it goes to 100%. Recommend customer to plug charging cable into a different socket and see if reaches to 100%. If not, customer may need to bring factory charging cable back to service and have us plug and charge vehicle to see if reaches to 100%. If failed to charge to 100% will need additional time to diagnose problem.
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