Description:

This error code is triggered when the PTA or CCU control software detects an open circuit in the transmission oil temperature sensor. A replacement value is transmitted, generating this diagnostic trouble code in the PTF control software. This fault can also generate a diagnostic trouble code in the PTA or CCU control software, which takes priority.

Reaction:

When this code is detected, the control software may exhibit limited or no functionality.

Recommendations:

• Inspect Temperature Sensor Circuit:
  • Check for an open circuit in the transmission oil temperature sensor wiring.
  • Repair or replace any damaged wiring or connectors.
• Test the Sensor:
  • Verify the functionality of the transmission oil temperature sensor using diagnostic tools.
  • Replace the sensor if it is found to be faulty.
• Update Software:
  • Ensure that the PTA and CCU control software are up to date.
  • Update the software if necessary.
• Check CAN Bus Communication:
  • Use diagnostic tools to confirm that the replacement value is correctly transmitted over the CAN bus.

Note:

Regular maintenance and timely inspection of the transmission oil temperature sensor and its circuit can prevent issues that trigger this fault code.