TG96 - Check For DTC 675 Generated With DTC 668

Diagnostic Trouble Code (DTC) 668 indicates the Transmission Range (TR) circuit voltage was above the allowed maximum voltage.

Possible causes:
- Open in TR harness SIG RTN circuit.
- Damaged TR sensor.
- Damaged Powertrain Control Module.
- Short to power in TR harness SIG circuit.

- Did DTC 675 repeat with DTC 668 during the drive cycle test?

Yes -- Go to TG101. TG101 - Check Continuity of Sensor Harness SIG RTN Circuit

No -- Go to TG97. TG97 - Check Sensor Alignment