The hydraulic oil temperature sensor transmission is responsible for indicating the current ATF temperature to the ECU. If there is an issue with the information from the sensor circuit, a DTC P0937 will be recorded.
How severe is the code?
The diagnostic code P0937 is obviously quite serious, as the ECU needs to know the current operating temperature of the transmission oil to prevent overheating and serious internal damage.
Symptoms
Symptoms of a P0937 include
- Check engine light
- Overheating
- Irregular vehicle behavior
- Limp mode
Causes
- Damaged wiring or connectors
- Failure of the hydraulic oil temperature sensor
- Low or dirty fluid
How to diagnose the code?
Since the OBDII fault code P0937 is primarily an electrical fault, the diagnostic procedure should start by examining the wiring and connectors along the hydraulic oil temperature sensor circuit. It may also be necessary to check the sensor itself, as well as the condition of the fluid/oil.
What repairs will fix P0937?
- Repair damaged wiring and/or connectors
- Replace the hydraulic oil temperature sensor
- Change the fluid
- Reprogram or replace the ECU