Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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When you have a U1000 code, that means a Major control unit has either failed, or is not communicating properly. A advanced level scanner is used to perform what they call CAN diagnostics. This does a communication test will all control units so you can see which control unit is not communicating so it can be diagnosed.
Are you a shop?
Can you perform a CAN system call to see what control unit's it's able to communicate with?
ok.. Let me know..