Check For Can Bus Communication DTCS
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- 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 INDEX - 2500 HD & 3500 HD and perform the appropriate diagnostic procedure.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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 .