U0611
Lost Communication With Intake Air Temperature Sensor 1 Bank 1
U0611 is an OBD-II diagnostic trouble code meaning: Lost Communication With Intake Air Temperature Sensor 1 Bank 1. Common causes: open or short circuit in the sensor circuit, malfunction of the air temperature sensor itself. Estimated repair cost: $6–28.
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Reduced engine power
- Unstable operation at idle
- Possible problems starting the engine in cold weather
Causes
- Open or short circuit in the sensor circuit
- Malfunction of the air temperature sensor itself
- Poor contact in the sensor connector
- Wiring harness damage
- ECU malfunction (rare)
How to Fix
- Check the integrity of the sensor wires and connectors
- Measure sensor resistance at different temperatures
- Check the supply voltage and ground in the sensor circuit
- Replace the air temperature sensor if necessary
- Reset the error and check the system operation
Related codes
Error U0611 by Vehicle Brand
FAQ
What does the U0611 code mean?
U0611 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Intake Air Temperature Sensor 1 Bank 1
What causes a U0611 error code?
The most common causes of U0611 include: Open or short circuit in the sensor circuit; Malfunction of the air temperature sensor itself; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a U0611 diagnostic trouble code?
To fix U0611: Check the integrity of the sensor wires and connectors. Measure sensor resistance at different temperatures. Check the supply voltage and ground in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0611?
Yes, but get it checked soon
How much does it cost to fix U0611?
The estimated repair cost for U0611 is $6–28. Actual cost depends on your vehicle, location, and labor rates.
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