GMC Yukon 2000–2006
Common on this vehicle:
Possible causes
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 2000–2006・「NR4」
Candidate cause (the documents say what to do)
Electronic transfer case stops shifting with no DTC (shift abuse lock out mode, normal)
The electronic transfer case may stop shifting and not set any DTCs.
This occurs if the transfer case control module senses repeated shift requests in a short period of time.
What to do
- Cycling the ignition off for 30 seconds or more should allow the transfer case to resume normal operation.
In the records
No record states work done for this cause.
See the evidence (2 technical documents, 1 records)
Passages of the technical documents
This information applies to 1999-2007 Cadillac Escalade, Chevrolet Avalanche, Trailblazer, Colorado, Blazer, S10, Silverado, Suburban, Tahoe, GMC Canyon, Envoy, Sierra, Yukon, Yukon Denali, Yukon XL, Jimmy, Sonoma, Suburban, Hummer H2 and H3 with RPO NR4, NP1, or NP8 Transfer Case.
General Motors 2006-12-01
The electronic transfer case may stop shifting and not set any DTCs.
General Motors 2006-12-01
This condition will occur if the transfer case control module senses repeated shift requests in a short period of time.
General Motors 2006-12-01
The software in the transfer case control module has a shift abuse lock out mode to protect the module and encoder motor.
General Motors 2006-12-01
Manufacturer’s documents
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.