09L, 6 Speed A/T AWD

Transmission Fluid Temperature Sensor, Checking

NOTE: The Transmission Fluid Temperature Sensor G93 is a component of the Mechatronic unit in the transmission.

Special tools, testers and auxiliary items required
- Multimeter.
- Wiring diagram.

Requirements
- The battery voltage must be at least 12.5 Volts.
- All electrical consumers must be switched off.
- The parking brake must be engaged.
- The elector lever must be in the "P" position.
- The Ground (GND) connections to transmission must be OK.







Test sequence
- Disconnect the electrical connector in the - direction of the arrow - and remove it from the Transmission Control Module (TCM) J217.
- Observe safety precautions.
- Check the electrical harness connector for contact corrosion and ingress of water.

If the electrical harness connector is not OK:
- Repair the malfunction.

If the electrical harness connector is OK:
- Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND):

If no malfunctions are found in the wiring:
- Replace the Mechatronic unit in the transmission.

Final procedures
1. Check the DTC memory. Diagnostic Mode 03 - Read DTC Memory
2. If necessary, erase DTC memory of the Transmission Control Module (TCM) J217. Diagnostic Mode 04 - Erase DTC Memory
3. Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes

End of diagnosis