Hard To Start Gauges Inop Warning Messages (Insp Near Park Brake) - keywords communication data lan line nocrank U0073 U0100 U0104 U0121 U0122 U0132 U0140 U0151 U0155 U0159 U0164 U0168 U0170 U0184
| Subject: | Hard To Start Gauges Inop Warning Messages (Insp Near Park Brake) |
| Models: | 2006- 2008 Buick Lucerne and Cadillac DTS |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
A customer may comment about one or more of the following concerns. These concerns may be intermittent:
| • | The engine will not crank over / start. |
| • | Instrument Panel Cluster gauges are inoperative. |
| • | SERVICE STABILITRAK, SERVICE SUSPENSION SYS, SERVICE TRACTION CONTROL may be displayed on the Driver Information Center (DIC). |
One or more of the following DTC may be stored:
U0073 | High Speed Communication Bus |
U0100 | Lost Communication With Engine Control Module (ECM) |
U0101 | Lost Communication With Transmission Control Module (TCM) |
U0104 | Lost Communication With Cruise Control Module |
U0121 | Lost Communication With Electronic Brake Control Module (EBCM) |
U0122 | Lost Communication With Vehicle Dynamics Control Module |
U0132 | Lost Communication With Ride Level Control Module |
U0140 | Lost Communication With Body Control Module (BCM) |
U0151 | Lost Communication With Sensing and Diagnostic Module (SDM) |
U0155 | Lost Communication With Instrument Panel Cluster (IPC) Control Module |
U0159 | Lost Communication With Parking Assist Control Module A |
U0164 | Lost Communication With HVAC Control Module |
U0168 | Lost Communication With Vehicle Theft Deterrent (VTD) Control Module |
U0170 | Lost Communication With Passenger Presence System (PPS) |
U0184 | Lost Communication With Radio |
U0186 | Lost Communication With Audio Amplifier |
U0194 | Lost Communication With Digital Radio Receiver (DRR) |
U0198 | Lost Communication With Communication Interface Module (OnStar®) |
U0199 | Lost Communication With Door Control Module A |
U0200 | Lost Communication With Door Control Module B |
U0214 | Lost Communication With Remote Function Actuator (RFA) |
U0241 | Lost Communication With Headlamp Control Module A |
Recommendation/Instructions:
Inspect the body wire harness for chafing on or near the parking brake pedal assembly. Repair the wiring as necessary.
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.
