My iMiev not working, problem with immobilizer (P0513) or heating(U1110)?

[Jan]

Hei

After the last ride, about 15 km, the next day after charging, it gives an error message and does not drive.
OBD scanner gives error messages:
P0513 Incorrect Immobilizer Key
U1110 Comp HTR CAN Timeout
Have the forum members come across such things and can give good advice on how to find a solution?
Thanks in advance for the good suggestions and guidelines,
Jan

 

[Jan]

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[MickeyS70]

Uxxx failures are usually caused by a weak or faulty 12V aux battery. Have you tried clearing the DTC, do they come back afterwards? Do you have a spare key to try?

 

[Jan]

I have tried erasing the errors and they keep coming back. The question is, can a weak 12V battery cause the immobilizer to fail? Does the immobilizer have to be coded again if a new battery is installed?
I only have 1 key

 

[MickeyS70]

I have tried erasing the errors and they keep coming back. The question is, can a weak 12V battery cause the immobilizer to fail? Does the immobilizer have to be coded again if a new battery is installed?
I only have 1 key

No, the key normally doesn’t need to be coded if you just replace the battery. A weak, worn 12V battery can cause all sort of strange problems. I would try and get a second key coded, handy to have anyway, if that works, the issue is your original key

 

[kiev]

The first step in the P0513 troubleshooting is to check the CAN Buss for errors, which you indeed have with the U-code. Check and inspect wiring and connectors, charge or replace the 12V battery if it is weak, old or worn out as that is THE leading cause of CAN errors.