P1116
Engine Coolant Temperature Sensor Out of Self-Test Range
P1116 is an OBD-II diagnostic trouble code meaning: Engine Coolant Temperature Sensor Out of Self-Test Range. Common causes: coolant temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $6–22.
Symptoms
- Unstable engine operation at idle
- Increased fuel consumption
- Incorrect temperature readings on the dashboard
- Difficulty starting the engine
- The cooling fan turns on at the wrong time
Causes
- Coolant temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Corroded or damaged wiring
- Engine ECU malfunction
How to Fix
- Check the resistance of the coolant temperature sensor
- Inspect the sensor connector and wiring for damage.
- Check the voltage in the sensor circuit
- Replace the coolant temperature sensor if necessary
- Clean connector contacts or replace damaged wiring
Related codes
Error P1116 by Vehicle Brand
FAQ
What does the P1116 code mean?
P1116 is an OBD-II diagnostic trouble code that indicates: Engine Coolant Temperature Sensor Out of Self-Test Range
What causes a P1116 error code?
The most common causes of P1116 include: Coolant temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Corroded or damaged wiring.
How do I fix a P1116 diagnostic trouble code?
To fix P1116: Check the resistance of the coolant temperature sensor. Inspect the sensor connector and wiring for damage.. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1116?
Limited driving only, diagnose soon
How much does it cost to fix P1116?
The estimated repair cost for P1116 is $6–22. Actual cost depends on your vehicle, location, and labor rates.
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