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I think (and hope) I am at the end of a long diagnosis and fix saga. The original problem was that at the end of a trip the car would not properly turn off. The instrument panel displayed messages "I-key system error" and "When parked apply parking brake" (when the brake was on). The only way to...

Although my main relays actually were stuck on and I replaced them and the car then worked OK, my problem came back. Not the relays sticking, but the "will not turn off" problem, with similar DTCs to those in the original post of this thread. After a long time looking for possible causes of CAN...

Yes, I was surprised to find that the pre-charge resistor and relay were OK, since they would be an obvious cause for the main relays welding. The car worked fine for a while after the relay replacement. (Now it has more problems, but the relays are still OK.)

I got replacement relays on ebay from someone who had taken a battery apart.

What is the meaning of the ">" prefix in the DTC list displayed by LeafSpy? For example >U1000-00 0B EV/HEV CAN Comm Circuit As opposed to P31B7-00 0A EV/HEV CAN Error EVC-285

My problem was due to the main relays in the battery being stuck on. Replacing the relays solved the problem. This is a job with a significant level of difficulty and danger. Used relays cost me £100 and I will have spent around 20 hours working on it by the time I finish. I guess I would have...

This relates to another post of mine, but I think it is a general enough question to have its own thread. I think I may have the main relays in the battery stuck on, and I'd like to be really sure of that before I start taking the battery out of the car. My car is a leaf 2015, the service manual...

Yes I had done that process of clearing codes and then going back to the ones that did not clear first time and trying again. I am just talking about the codes that are left: I have a few for brake and air bag that I think occur because the start sequence does not finish, and I have the P317A...

I've been designing motors, similar to the leaf motor, though not for use in cars, for 40 years. So I have a pretty good understanding of the high current parts of the Leaf. I've had a used 2015 Leaf tekna since Sep 2023.

Was there any interesting outcome of the problem above from dec 2022? I now have very similar symptoms with my 2015 24kWh tekna. The original problem was that the car would not properly shut down at the end of a trip, I got the same I-Key error, and an error claiming that the parking brake was...