This bulletin applies to 2012-2014 Cadillac Escalade models (as well as 2010-2013 Chevy Avalanche, Silverado, Suburban and Tahoe; 2014 Chevy Silverado 2500/3500, 2012-2013 GMC Sierra and Yukon and 2014 GMC Sierra 2500/3500 and Yukon models). The MIL may be on with DTC P067C and/or P057D or a cruise and brake light operation service stability message with DTC C0161 and C0277 (check X205 connector).
If no resolution is found after performing normal diagnostics for any issue related to the BPP (Brake Pedal Position) sensor, inspect connector X205 for a terminal concern. This connector is located under the left side of the I/P defrost deflector.
Inspect connector X205 for loose, backed out or bent terminals.
If this issue arises, the customer may experience the MIL on, cruise or brake light issues, service stability message, reduced engine power and/or unwanted grade braking.
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