nele_schmid72
Note ePower Overheating and Communication Error
Summary of the thread
A 2019 Nissan Note e-Power is experiencing engine overheating and a check engine light, with coolant found spilled under the car, possibly due to excessive pressure. Diagnostics revealed a control unit communication error, specifically code P0606, which may indicate a defective cable or plug connection. A similar issue was resolved by addressing a corroded connector in the engine bay, suggesting that professional inspection and repair might be necessary.
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4 comment(s)
nele_schmid72 (community.author)
Thanks for the quick reply! The code I got was P0606 - Internal Control Module Processor. Does that ring any bells? I've checked the obvious connections, but haven't gone too deep yet. Also, what do you mean by XYZ?
adrianwolf1
P0606, right. Yes, that's the exact error code I had, too. Sorry about the confusion, with XYZ I meant that it could be related to all sorts of modules. Given that it's a communication error and you're seeing overheating and coolant issues, it could be misreporting some values and causing the engine to run hotter than it should. Honestly, after a bit of poking around myself, I ended up taking it to a workshop. They were able to trace it to a corroded connector in the engine bay. Save yourself the headache and let the pros handle it.
nele_schmid72 (community.author)
Thanks a lot for the advice! I think I'll do just that and take it to a workshop. I was hoping it would be something simple, but it sounds like it could be more involved. I will let you know what happens! For anyone with a similar issue, it turned out to be a faulty wiring harness related to the engine control unit. The repair cost was 95€.
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NISSAN
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NOTE
adrianwolf1
Hey! I also own a Note e-Power. That sounds familiar. I had a similar issue a while back, check engine light and all. Did the diagnostics give you any specific codes related to the communication error? Knowing the exact code might help narrow down the problem. Was it related to a specific sensor or module? For me it was the XYZ, so check those!