U02AF
Lost Communication With Turbocharger Turbine Inlet Valve Position Sensor
U02AF is an OBD-II diagnostic trouble code meaning: Lost Communication With Turbocharger Turbine Inlet Valve Position Sensor. Common causes: broken or damaged wires in the sensor circuit, valve position sensor malfunction. Estimated repair cost: $39–133.
Symptoms
- Reduced engine power
- Check Engine Light Illuminates
- Unstable operation of the turbocharger
- Engine transition to emergency mode
- Increased fuel consumption
Causes
- Broken or damaged wires in the sensor circuit
- Valve position sensor malfunction
- Poor contact in the sensor connector
- Sensor power problems
- ECU malfunction (rare)
How to Fix
- Check the integrity of the wiring harness to the sensor
- Check the contacts in the sensor connector
- Measure sensor resistance and voltage
- Replace valve position sensor if necessary
- Check the corresponding relay and fuses
Related codes
Error U02AF by Vehicle Brand
FAQ
What does the U02AF code mean?
U02AF is an OBD-II diagnostic trouble code that indicates: Lost Communication With Turbocharger Turbine Inlet Valve Position Sensor
What causes a U02AF error code?
The most common causes of U02AF include: Broken or damaged wires in the sensor circuit; Valve position sensor malfunction; Poor contact in the sensor connector; Sensor power problems.
How do I fix a U02AF diagnostic trouble code?
To fix U02AF: Check the integrity of the wiring harness to the sensor. Check the contacts in the sensor connector. Measure sensor resistance and voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U02AF?
Limited driving only, diagnose soon
How much does it cost to fix U02AF?
The estimated repair cost for U02AF is $39–133. Actual cost depends on your vehicle, location, and labor rates.
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