HomePIT4508C · CHEVROLET, GMC
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.

NHTSA manufacturer communications ↗

Reported code forms

B3894

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
GMCSIERRA2011
GMCSIERRA2010
GMCSIERRA2009
GMCSIERRA2008
GMCSIERRA2007
GMCSIERRA DENALI2013
GMCSIERRA DENALI2012
GMCSIERRA DENALI2011
GMCSIERRA DENALI2010
GMCSIERRA DENALI2009
GMCSIERRA DENALI2008
GMCSIERRA DENALI2007
GMCYUKON2013
GMCYUKON2012
GMCYUKON2011
GMCYUKON2010
GMCYUKON2009
GMCYUKON2008
GMCYUKON2007
GMCYUKON DENALI2013
GMCYUKON DENALI2012
GMCYUKON DENALI2011
GMCYUKON DENALI2010
GMCYUKON DENALI2009
GMCYUKON DENALI2008
GMCYUKON DENALI2007
GMCYUKON DENALI XL2013
GMCYUKON DENALI XL2012
GMCYUKON DENALI XL2011
GMCYUKON DENALI XL2010

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