PIT5120A

File in Section:
Service Bulletin
Bulletin No.:
Date:
PIT5120A
September, 2012
PRELIMINARY INFORMATION
Subject:
Stabilitrak/Traction Control OFF With Red Brake Warning Lamp And DTC C0267
Models:
2007 - 2013 Cadillac Escalade Models
2007 - 2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2007 - 2013 GMC Sierra, Yukon and Denali Models
This PI was superseded to update model and model years. Please discard PIT5120.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Some owners may comment of a Stabilitrak off message, Traction Control off message, Service Brake System
message with a Red Brake Warning Lamp and DTC C0267. There may also be complaints of the IPC going out or
gauges inoperative with various modules setting low speed LAN communication DTC's. This concern may happen
more at engine start up.
Recommendation/Instructions:
This concern could be caused by an aftermarket device installed inline to the IPC connector. This device is used to
recalibrate the speedometer for different size wheels/tires. Remove the aftermarket device and retest.
Warranty Information:
Issues caused by this after-market device are not covered under warranty.
ADDITIONAL SI KEYWORDS:
U0140 U0151 U0155 U0159 U0164 U0168 U0184 U0199 U0200 U0214
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is
resolved without completing every step, the remaining steps do not need to be performed.