CHEVROLET, GMC
PIT4508C
Manufacturer communications
- Publication date
- 2012-10-05
- Received by NHTSA
- 2017-08-15
- NHTSA record numbers
- 10112452
Manufacturer summary
Original wording in English
This Preliminary Information communication provides information to the technician about vehicles that the cruise control being inoperative. Technician may find Diagnostic Trouble Code B3894 set in the Trailer Brake Control Module. Technician should follow published Service Information diagnostics first. Technician should check the "Master Cylinder Pressure" sensor parameter listed in the Trailer Brake Control Module data list. If it is displaying pressure with no brake pedal input, suspect a concern with the Master Cylinder Pressure Sensor, wiring/terminals, or Electronic Brake Control Module.
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| GMC | YUKON DENALI XL | 2009 |
| GMC | YUKON DENALI XL | 2008 |
| GMC | YUKON DENALI XL | 2007 |
| GMC | YUKON XL | 2013 |
| GMC | YUKON XL | 2012 |
| GMC | YUKON XL | 2011 |
| GMC | YUKON XL | 2010 |
| GMC | YUKON XL | 2009 |
| GMC | YUKON XL | 2008 |
| GMC | YUKON XL | 2007 |