← Look into the faults of the GMC Yukon XL
Trouble code
B2455: possible causes and documented repairs — 2000–2006 GMC Yukon XL
Of the records of the 2000–2006 GMC Yukon XL, 2 state trouble code B2455 (Manufacturer communication: 2). The technical documents say how to deal with 2 of its possible causes. They are listed by the number of matching records, most first.
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Causes the technical documents say how to deal with (2)
Red OnStar LED and DTC B2455 after Canada upgrade bulletin 15-08-44-001 (audio and microphone drain wires shorted)
1 matching record
A red LED and DTC B2455 set as current in the VCIM may be noticed after performing Canada upgrade bulletin 15-08-44-001.
When placing calls or connecting to OnStar, the person on the other end can hear the caller clearly.
How to tell
- B2455
What to do
- Pull back the tape at X2 of the VCIM far enough to see where the bare wires are covered.
- Tape the bare wires individually to prevent them from shorting, then tape the harness back up.
Vehicle Communication Interface Module: electrical fault
1 matching record
Put together by FaultCrate from public records and technical documents. The cause and the repair are for the workshop to decide with the vehicle in front of it. Counts are records, not failure rates.