P011A
Engine Coolant Temperature Sensor 1/2 Correlation
P011A is an OBD-II diagnostic trouble code meaning: Engine Coolant Temperature Sensor 1/2 Correlation. Common causes: malfunction of one of the coolant temperature sensors, open or short circuit in the wiring to the sensors. Estimated repair cost: $33–89.
Symptoms
- Incorrect temperature readings on the dashboard
- Unstable engine operation
- Increased fuel consumption
- Radiator fan turning on at the wrong time
Causes
- Malfunction of one of the coolant temperature sensors
- Open or short circuit in the wiring to the sensors
- Poor contact in sensor connectors
- Problems with the engine control unit
How to Fix
- Check the integrity of the wiring to both sensors
- Check the resistance of the sensors at different temperatures
- Clean sensor connector contacts
- If necessary, replace the faulty sensor
Related codes
Error P011A by Vehicle Brand
FAQ
What does the P011A code mean?
P011A is an OBD-II diagnostic trouble code that indicates: Engine Coolant Temperature Sensor 1/2 Correlation
What causes a P011A error code?
The most common causes of P011A include: Malfunction of one of the coolant temperature sensors; Open or short circuit in the wiring to the sensors; Poor contact in sensor connectors; Problems with the engine control unit.
How do I fix a P011A diagnostic trouble code?
To fix P011A: Check the integrity of the wiring to both sensors. Check the resistance of the sensors at different temperatures. Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P011A?
Limited driving only, diagnose soon
How much does it cost to fix P011A?
The estimated repair cost for P011A is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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