PIT5076C

File in Section:
Service Bulletin
Bulletin No.:
Date:
PIT5076C
October, 2012
PRELIMINARY INFORMATION
Subject:
MDI Cable Or SAS Learning Issues When Repairing Service Stability/Traction Message
Or DTC C0710 71
Models:
2010 - 2013 Buick LaCrosse
2010 - 2013 Cadillac SRX
2010 - 2013 Chevrolet Camaro, Equinox
2010 - 2013 GMC Terrain
2011 - 2013 Buick Regal
2011 - 2013 Chevrolet Camaro Convertible
2011 - 2013 Chevrolet Cruze, Volt
2013 Cadillac ATS, XTS
2013 Chevrolet Malibu
With one or more of the following DTC set C0710 71 C0186 C0196 U0074 U0077 U0125
U0126 U018D U0293 or Chassis Buss Communication issues
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern
Customer may comment on a Service Stability/Traction message and if equipped with electric steering (Service
Steering message). During diagnostics a technician may find a DTC C0710 with symptom code 71. The C0710 71
also can be found in the (PSCM) electrical power steering module if equipped.
Condition 1). When servicing the SAS (steering angle sensor) using GDS a technician may have difficulties in
learning the SAS sensor using GDS 2. The display screen may just continue to read waiting or may display an Error
message.
Condition 2). Upon rechecking for codes the technician may find one or more diagnostic trouble codes U0074 U0077
U180D U0293 U0126 U0125 C0186 C0196. These DTCs will not clear.
Recommendation/Instructions
1. For learning SAS (Steering Angle Sensor). Check for diagnostic packages updates for GDS 2. Think of this just
like the tech 2 versions needing periodic updates.
2. Upon checking for codes and you find DTC U0074 U0077 U180D U0293 U0126 U0125 C0186 C0196 are set
and will NOT clear, if after diagnosing the chassis bus the cause of the fault is not found. TAC has been involved
with a few TAC cases and found the cause to be an MDI cable to DLC issue. Try a different MDI cable and
perform the SAS learn following the published service information and clear the communication codes.
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.