Check For Can Bus Communication DTCS
WITH THE SCAN TOOL CHECK FOR CAN BUS COMMUNICATION DTCS.
Are there any CAN BUS COMMUNICATION DTCS present?
Yes
NOTE:
Check connectors - Clean and repair as necessary.
- Check CAN Bus Communication lines for possible open or short. Repair the Wiring harness in accordance to the Service Information. Refer to DIAGNOSIS AND TESTING . Recheck the Scan tool, If DTC U142A-00- IMPLAUSIBLE PRNDL SIGNAL RECEIVED is active or any CAN BUS DTCS are active. Refer to DTC Based Diagnostics and perform the appropriate diagnostic procedure.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS-SYSTEM-VERIFICATION-TEST .
No
- Check that the transmitting ECU (powertrain control module or transmission controller) is communicating. Refer to RESTRAINT SYSTEM INTERMITTENT TEST. Refer to STANDARD PROCEDURE . With the Scan Tool recheck for communication from the specific module or modules. If communication is Inactive, refer to Non-DTC Diagnostics/Communication. Refer to DIAGNOSIS AND TESTING .