Diagnostic Test
VERIFY THE DTC IS ACTIVE
NOTE:
Make sure the IOD fuse is installed and battery Voltage is between 10 and 16 Volts before proceeding.
- Turn the ignition on.
- With the scan tool, read DTCs.
Is the DTC active at this time?
Yes
- Refer to DIAGNOSIS AND TESTING . Perform the diagnostic procedure for U0001-CAN C BUS first if it is present.
- Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.