Description:

This fault code indicates that the engine coolant temperature is moderately high, suggesting that the engine is running hotter than normal but not yet at a critical level. This condition may lead to reduced engine efficiency and potential long-term damage if not addressed.

Reaction:

The engine’s functionality is adjusted to manage the higher coolant temperature and prevent overheating.

Recommendations:

• Check Coolant Level:
  • Ensure the coolant level is within the recommended range. Top up if necessary.
• Inspect Cooling System Components:
  • Examine the radiator, coolant hoses, water pump, and cooling fan for any issues such as leaks, blockages, or malfunction. Repair or replace faulty components.
• Inspect Coolant Temperature Sensor:
  • Verify that the coolant temperature sensor is functioning correctly and providing accurate readings.
• Check Thermostat Operation:
  • Ensure the thermostat is not stuck and is opening and closing properly to regulate engine temperature.
• Monitor Engine Operation:
  • After resolving any issues, reset the CCU and monitor the engine temperature to ensure it remains within the optimal range without trending towards overheating.

Note:

Maintaining an efficient cooling system is crucial for engine performance and longevity. Regular maintenance and prompt attention to moderately high temperature signals can prevent more severe overheating issues.