No Crank Or Multiple Warning Telltales On - keywords C0242 EBCM ECM LAN P0575 P0615 P0700 P0856 P2544 stabilitrak stability starter TCM TCS U0073 U0100 U0101 U0121 U0140 VSES
| Subject: | No Crank Or Multiple Warning Telltales On |
| Models: | 2008 Cadillac CTS w/ Automatic Transmission |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Some customers may comment the vehicle will not crank over and start. The diagnostic system check may reveal one or more if the DTC listed below are stored. The transmission control module (TCM) or engine control module (ECM) may not communicate with the scan tool. The cause may be unseated pins in the transmission connector.
C0242 | ECM Indicated TCS Malfunction |
P0575 | Cruise Control Switch Signal Circuit |
P0615 | Starter Relay Control Circuit |
P0700 | Transmission Control Module (TCM) Requested MIL Illumination |
P0856 | Traction Control Torque Request Circuit |
P2544 | Transmission Torque Request Circuit |
U0073 | Controller Area Network (CAN) Bus Communication |
U0100 | Lost Communication With ECM/PCM |
U0101 | Lost Communication With TCM |
U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module |
U0140 | Lost Communication With Body Control Module |
Recommendation/Instructions:
Inspect the transmission connector terminal connections. Disconnect the connector and carefully tug on each wire to ensure the pins are fully seated. A side load on the wires may cause a false positive lock. Repair the connections 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.
