Diagnostic Test
- VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE:
Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
- With the scan tool, read active DTCs.
Is this DTC active?
Yes
- Go To 2.
No
- Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.
- With the scan tool, read active DTCs.
- CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
- With the scan tool, read active DTCs from all modules.NOTE:
Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.
Does the scan tool display any active DTCs to the conditions listed above?
Yes
- Perform the appropriate diagnostic procedure.
No
- Go To 3.
- With the scan tool, read active DTCs from all modules.
- VERIFY THE WIN IS ACTIVE ON THE BUS
- Turn the ignition on.
- With the scan tool, view all the modules.
- Verify the WIN is active on the bus.
Is the WIN active on the bus?
Yes
- Go To 4.
No
- Refer to DIAGNOSIS AND TESTING and perform the No Response from WIN diagnostic procedure.
- CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
- With the scan tool, view all the modules.
Is there more than one module with active DTCs "Logged Against" the WIN?
Yes
- Replace/update the Wireless Ignition Node in accordance with the Service Information. Refer to RECEIVER, WIRELESS IGNITION NODE, REMOVAL .
- Refer to STANDARD PROCEDURE and perform the WIRELESS IGNITION NODE (WIN) VERIFICATION TEST.
No
- Replace/update the module that set this DTC in accordance with the Service Information.
- Perform the appropriate verification test.
- With the scan tool, view all the modules.