I tried a refurb ecu and it did not work, put the old one back in and it having issues. originally had misfire on B or cyclerder 2, replaced the injector, coil, plugs, no fix, replaced cam and crank sensor , no fix, tried a refurb PCM, red light never came off and car would not start . PTried Proxy Alingment, not processing or erroring, now my security code is invalid (tried to, or intended to reprogram my FOB) here is list from my logs, any idea's to try? (my errors, I think the ecu/pcm is going out?)

Error code: U0001
CAN C Bus
Last test completed positively

Error intermittent
Failure warning lamp 'ON': Requested

Error code: U0001
CAN C Bus
Last test completed positively

Error intermittent
Failure warning lamp 'ON': Requested

Error code: P0610
ECU Vehicle Options Mismatch
Last test completed positively

Error intermittent
Failure warning lamp 'ON': Not requested
Error code: U0121
Lost Communication With Anti-Lock Brake System (ABS) Control Module

Last test completed positively
Error present
Failure warning lamp 'ON': Not requested


Error code: P1500
ECU Configuration Mismatch
Last test completed positively

Error intermittent
Failure warning lamp 'ON': Not requested
16:26:51.524: Faults found:
U0002

Faults reported:

10/25/2025 6:55:12 PM
Faults found.
U0002
___________________
Error code: U0002
CAN C Bus Off Performance

Last test completed positively
Error intermittent
Failure warning lamp 'ON': Not requested

Error code: U0002
CAN C Bus Off Performance

Last test completed positively
Error intermittent
Failure warning lamp 'ON': Not requested