U110B
Lost Engine Coolant Message
U110B is an OBD-II diagnostic trouble code meaning: Lost Engine Coolant Message. Common causes: open or short circuit in the sensor circuit, coolant temperature sensor malfunction. Estimated repair cost: $6–28.
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- Incorrect temperature readings on the dashboard
- The engine is running in emergency mode
- Problems with engine warming up
Causes
- Open or short circuit in the sensor circuit
- Coolant temperature sensor malfunction
- Poor contact in the sensor connector
- Problems with the engine control unit (ECU)
- Corroded contacts or damaged wiring harness
How to Fix
- Check the continuity of the temperature sensor circuit
- Inspect connectors and contacts for corrosion
- Check the functionality of the temperature sensor
- Scan the ECU for additional errors
- If necessary, replace the sensor or repair the wiring harness
Related codes
FAQ
What does the U110B code mean?
U110B is an OBD-II diagnostic trouble code that indicates: Lost Engine Coolant Message
What causes a U110B error code?
The most common causes of U110B include: Open or short circuit in the sensor circuit; Coolant temperature sensor malfunction; Poor contact in the sensor connector; Problems with the engine control unit (ECU).
How do I fix a U110B diagnostic trouble code?
To fix U110B: Check the continuity of the temperature sensor circuit. Inspect connectors and contacts for corrosion. Check the functionality of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U110B?
Limited driving only, diagnose soon
How much does it cost to fix U110B?
The estimated repair cost for U110B is $6–28. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat