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

Check vehicle applicability

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

MakeModelModel year
ChevroletAVALANCHE2013
ChevroletAVALANCHE2012
ChevroletAVALANCHE2011
ChevroletAVALANCHE2010
ChevroletAVALANCHE2009
ChevroletAVALANCHE2008
ChevroletAVALANCHE2007
ChevroletSILVERADO2013
ChevroletSILVERADO2012
ChevroletSILVERADO2011
ChevroletSILVERADO2010
ChevroletSILVERADO2009
ChevroletSILVERADO2008
ChevroletSILVERADO2007
ChevroletSUBURBAN2013
ChevroletSUBURBAN2012
ChevroletSUBURBAN2011
ChevroletSUBURBAN2010
ChevroletSUBURBAN2009
ChevroletSUBURBAN2008
ChevroletSUBURBAN2007
ChevroletTAHOE2013
ChevroletTAHOE2012
ChevroletTAHOE2011
ChevroletTAHOE2010
ChevroletTAHOE2009
ChevroletTAHOE2008
ChevroletTAHOE2007
GMCSIERRA2013
GMCSIERRA2012

Data coverage →