GMC Yukon XL 2000–2006
Common on this vehicle:Gauge or instrument faultWarning lightLeakNoiseCorrosion or rustVibration or shudderAir conditioning or heaterLoss of engine power, no acceleration
Possible causes
5 causes not drawn
- Reduced Engine Power from throttle body connector crimp, broken wire or grounds0
- Rear HVAC ticking noise, no rear temperature or mode control, DTC B0434 / B3764 (revised auxiliary HVAC control module)1
- Instrument panel cluster gauges stick, flutter or stop working1
- Quadrasteer: rear wheels stay turned after the front wheels are straight (controlled re-centering after a fault, normal operation)1
- Red OnStar LED and DTC B2455 after Canada upgrade bulletin 15-08-44-001 (audio and microphone drain wires shorted)1
The documents say what to doOnly records name itThe size of a node, the width of a link and the numbers are records matching this search, not likelihoods.
FaultCrate・GMC Yukon XL 2000–2006・Warning light, 2004
Candidate cause (the documents say what to do)
Vehicle Communication Interface Module
1 of the records matching this search name this component as the cause. How it failed: electrical fault.
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.
- The warranty labor operation is 602058, Onstar Upgrade Wire Repair.
In the records
- Vehicle Communication Interface Module: repaired 1
See the evidence (1 technical documents, 1 records)
Manufacturer’s documents
- Vehicle Communication Interface Module LED and DTC B2455 Issue PIC6140A 2017-08-15
A cause or a result a complaint states is the owner’s view or what a dealer told them, not an established fact.
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.
