U069A
Lost Communication With Exhaust Gas Temperature Sensor Bank 1 Sensor 3
U069A is an OBD-II diagnostic trouble code meaning: Lost Communication With Exhaust Gas Temperature Sensor Bank 1 Sensor 3. Common causes: open or short circuit in the sensor circuit, damage to the sensor connector. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine operation at idle
- Problems with the EGR system
Causes
- Open or short circuit in the sensor circuit
- Damage to the sensor connector
- Exhaust temperature sensor malfunction
- Problems with the ECU
- Contact corrosion
How to Fix
- Check the integrity of wiring and connectors
- Measure the resistance of the exhaust temperature sensor
- Check the voltage in the sensor circuit
- Replace exhaust temperature sensor if necessary
- Update ECU firmware (if required)
Related codes
Error U069A by Vehicle Brand
FAQ
What does the U069A code mean?
U069A is an OBD-II diagnostic trouble code that indicates: Lost Communication With Exhaust Gas Temperature Sensor Bank 1 Sensor 3
What causes a U069A error code?
The most common causes of U069A include: Open or short circuit in the sensor circuit; Damage to the sensor connector; Exhaust temperature sensor malfunction; Problems with the ECU.
How do I fix a U069A diagnostic trouble code?
To fix U069A: Check the integrity of wiring and connectors. Measure the resistance of the exhaust temperature sensor. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U069A?
Yes, but get it checked soon
How much does it cost to fix U069A?
The estimated repair cost for U069A is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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