ECU 000109.31 – Coolant Pressure Signal Fault Detected. John Deere System Advisory.

ECU 000109.31 (ECU 109.31)

Code: 000109.31

Shortcode: 109.31

Description:

Error code ECU 000109.31 is reported after the coolant pressure signal was noted as slightly low during a previous operation cycle. This recurrent low reading could be an indicator of persistent issues within the coolant system that require immediate attention.

Reaction:

Persistent low coolant pressure signals may lead to enhanced monitoring and precautionary measures by the ECU, potentially restricting engine performance to avoid overheating.

Recommendations:

  • Review Historical Data: Analyze the engine’s operational data to track the frequency and circumstances of the low-pressure readings.
  • Detailed Inspection and Testing: Perform a detailed inspection and functional testing of the coolant system, focusing on detection of intermittent issues.
  • Address Identified Problems: Make repairs or adjustments as required based on diagnostic findings.
  • Monitor System Performance: Continue monitoring the coolant system closely after repairs to ensure stability and adequacy of the repairs.

Note:

Ongoing issues with coolant pressure should be addressed promptly to prevent long-term damage to the engine.


Control Units: John Deere