U0654
Lost Communication With Diesel Intake Air Flow A Position Sensor
U0654 is an OBD-II diagnostic trouble code meaning: Lost Communication With Diesel Intake Air Flow A Position Sensor. Common causes: open or short circuit in the sensor circuit, air flow position sensor a fault. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Unstable engine idling
- Increased fuel consumption
- Problems starting the engine
Causes
- Open or short circuit in the sensor circuit
- Air flow position sensor A fault
- Poor contact in the sensor connector
- Wiring harness damage
- Engine control unit (ECU) malfunction
How to Fix
- Check the integrity of the sensor circuit
- Inspect the sensor connector for damage
- Check sensor resistance
- Scan the control unit for other errors
- Replace air flow position sensor A if necessary
Related codes
Error U0654 by Vehicle Brand
FAQ
What does the U0654 code mean?
U0654 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Diesel Intake Air Flow A Position Sensor
What causes a U0654 error code?
The most common causes of U0654 include: Open or short circuit in the sensor circuit; Air flow position sensor A fault; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a U0654 diagnostic trouble code?
To fix U0654: Check the integrity of the sensor circuit. Inspect the sensor connector for damage. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0654?
Limited driving only, diagnose soon
How much does it cost to fix U0654?
The estimated repair cost for U0654 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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