U0622
Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 2
U0622 is an OBD-II diagnostic trouble code meaning: Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 2. Common causes: exhaust temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased fuel consumption
- Problems with the exhaust gas recirculation system
- Unstable engine idling
Causes
- Exhaust temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring harness damage
- Engine control unit malfunction
How to Fix
- Check the integrity of the sensor circuit
- Inspect the sensor connector and contacts
- Check the resistance of the exhaust temperature sensor
- Replace sensor if necessary
- Check the operation of the engine control unit
Related codes
Error U0622 by Vehicle Brand
FAQ
What does the U0622 code mean?
U0622 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 2
What causes a U0622 error code?
The most common causes of U0622 include: Exhaust temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a U0622 diagnostic trouble code?
To fix U0622: Check the integrity of the sensor circuit. Inspect the sensor connector and contacts. Check the resistance of the exhaust temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0622?
Yes, but get it checked soon
How much does it cost to fix U0622?
The estimated repair cost for U0622 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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