Hello,
If there is an fault with the main junction box under the hood, the "No Bus" code is typically displayed. due to a issue with the main junction box under the hood. This fuse box is close to the battery and contains primary relays and fuses.
Here are the typical reason for the No Bus code:
- Junction block fuse # 12 open
- Open fused B(+) circuit
- MIC ground circuit open
- DRB or DRB cable
- CCD bus (+) open to MIC
- CCD bus (-) open to MIC
- CCD bus(+)/(-) circuit shorted to ground
https://www.2carpros.com/articles/how-to-check-wiring
https://www.2carpros.com/articles/how-to-use-a-voltmeter
https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit
I have attached a step by step diagnostics for the No Bus error.
Please let me know of any questions.
Thank you.
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Wednesday, August 4th, 2021 AT 9:00 PM