DTC P0721-22: Output Shaft Speed Sensor Circuit Range/Performance - Signal amplitude > maximum: Action
- Prioritized steps to perform:
- Using the Jaguar Land Rover approved diagnostic equipment, check the anti-lock brake system control module for related DTCs and refer to the relevant DTC index
- Using the Jaguar Land Rover approved diagnostic equipment, check the vehicle for CAN bus (FlexRay) related DTCs and refer to the relevant DTC index
- Using the Jaguar Land Rover approved diagnostic equipment, check the wheel and tire size match the vehicle configuration file
- Inspect the driveshafts for correct installation. If driveshafts are not correctly installed, check for any damage to the driveshafts. Refit or replace the driveshafts as required
- Visually inspect all other driveline components and check for damage or incorrect repairs. Replace any damaged components as required
- Test drive the vehicle. Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. Check datalogger signals - Turbine Speed (0x1E72) - Transmission Output Shaft Speed (0x1E68) - for plausibility and signal quality. Values should be the same when driving the vehicle in 6th gear (1:1 gear ratio)
- Check the transmission fluid level using the Jaguar Land Rover approved diagnostic equipment to run the 8-speed ZF - Automatic Transmission Fluid Level Check Application. Refer to the relevant service information and check the automatic transmission fluid quality For additional information, Refer to: TRANSMISSION OIL COLOR CHART If the automatic transmission fluid condition is unsatisfactory, raise a Technical Assist (TA) for further support
- Clear the DTCs, test drive the vehicle and retest
- If the fault persists, raise a Technical Assist (TA) for further support