U11C8
Lost Engine Coolant Temperature Message
U11C8 is an OBD-II diagnostic trouble code meaning: Lost Engine Coolant Temperature Message. Common causes: coolant temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $6–28.
Symptoms
- Check Engine Light Is On
- Incorrect temperature readings on the dashboard
- Increased fuel consumption
- Problems with engine warming up
- Cooling fan is not working correctly
Causes
- Coolant temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Problems with the engine control module
- Contact corrosion or wire oxidation
How to Fix
- Check the continuity of the temperature sensor circuit
- Inspect the sensor connector and contacts for damage
- Check sensor resistance at different temperatures
- Replace the coolant temperature sensor if necessary
- Reset error code after repair
Related codes
FAQ
What does the U11C8 code mean?
U11C8 is an OBD-II diagnostic trouble code that indicates: Lost Engine Coolant Temperature Message
What causes a U11C8 error code?
The most common causes of U11C8 include: Coolant temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the engine control module.
How do I fix a U11C8 diagnostic trouble code?
To fix U11C8: Check the continuity of the temperature sensor circuit. Inspect the sensor connector and contacts for damage. Check sensor resistance at different temperatures. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U11C8?
Limited driving only, diagnose soon
How much does it cost to fix U11C8?
The estimated repair cost for U11C8 is $6–28. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat