Audio and telematicsModel years 2003–2006Manufacturer
Red OnStar LED and DTC B2455 after Canada upgrade bulletin 15-08-44-001 (audio and microphone drain wires shorted)
PIC6140B lists 2003-2006 GMC Yukon/Yukon XL.
FaultCrate・Red OnStar LED and DTC B2455 after Canada upgrade bulletin 15-08-44-001 (audio and microphone drain wires shorted)
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.
A short between the audio drain wire and the microphone drain wire causes this concern.
How to tell
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.
In the records
- Vehicle Communication Interface Module: repaired 1
- Wiring Connector: repaired 1
Applies to
- The model list includes the 2003-2006 GMC Yukon/Yukon XL.
See the evidence (1 documents, 6 passages)
| Document | Publisher | Date |
|---|---|---|
| [1]PIC6140B Red LED and B2455 After Performing Canada Upgrade Bulletin 15-08-44-001 ↗ | ManufacturerGeneral Motors | — |
Applies toThe model list includes the 2003-2006 GMC Yukon/Yukon XL.
2003-2006 GMC Yukon/Yukon XL— [1]
First signsA red LED and DTC B2455 set as current in the VCIM may be noticed after performing Canada upgrade bulletin 15-08-44-001.
A dealer or customer may notice a red LED and DTC B2455 setting current in the VCIM after performing Canada upgrade bulletin 15-08-44-001.— [1]
First signsWhen placing calls or connecting to OnStar, the person on the other end can hear the caller clearly.
When placing calls or connecting to OnStar, the person on the other end is able to hear the caller clearly.— [1]
Why it happensA short between the audio drain wire and the microphone drain wire causes this concern.
It has been found that a short between the audio drain wire and microphone drain wire will cause this concern.— [1]
How to confirmPull back the tape at X2 of the VCIM far enough to see where the bare wires are covered.
Pull back the tape at X2 of the VCIM far enough to see where the bare wires are covered.— [1]
RepairTape the bare wires individually to prevent them from shorting, then tape the harness back up.
Tape the bare wires individually to prevent them from shorting. Then tape the harness back up.— [1]
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.
List the records (1 that can be opened)
Records whose recall number, document number or text matches. Each line says why it matched.
- Vehicle Communication Interface Module LED and DTC B2455 IssueManufacturer communication 2017-08-15・document number matches