DTC B1020-04: Central Gateway ECU System Internal Failure [11/2021 - ]: Procedure
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- RECONFIRM DTC OUTPUT
Body Electrical > Central Gateway > Trouble Codes
Result
Result Proceed to B1020-04 is output A B1020-04 is not output B Result:
A
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to REMOVAL [11/2021 - ]
Result:
B
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]