U069B
Lost Communication With Exhaust Gas Temperature Sensor Bank 1 Sensor 4
U069B is an OBD-II diagnostic trouble code meaning: Lost Communication With Exhaust Gas Temperature Sensor Bank 1 Sensor 4. Common causes: open or short circuit in the sensor circuit, poor contact in the sensor connector. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Deterioration of vehicle dynamics
- Increased fuel consumption
- Possible misfires
- Engine power limitation
Causes
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- EGT temperature sensor malfunction
- Wiring Harness Problems
- Engine control unit malfunction
How to Fix
- Check the integrity of the sensor circuit
- Inspect the connector and contacts for corrosion
- Check the resistance of the EGT sensor
- Replace exhaust gas temperature sensor if necessary
- Check the operation of the system after repair
Related codes
Error U069B by Vehicle Brand
FAQ
What does the U069B code mean?
U069B is an OBD-II diagnostic trouble code that indicates: Lost Communication With Exhaust Gas Temperature Sensor Bank 1 Sensor 4
What causes a U069B error code?
The most common causes of U069B include: Open or short circuit in the sensor circuit; Poor contact in the sensor connector; EGT temperature sensor malfunction; Wiring Harness Problems.
How do I fix a U069B diagnostic trouble code?
To fix U069B: Check the integrity of the sensor circuit. Inspect the connector and contacts for corrosion. Check the resistance of the EGT sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U069B?
Yes, but get it checked soon
How much does it cost to fix U069B?
The estimated repair cost for U069B is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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