U010A: Lost Communication With Exhaust Gas Recirculation Control Module A
MediumNetwork/CommunicationCommunication Bus
What does U010A mean?
U010A is a diagnostic trouble code indicating "Lost Communication With Exhaust Gas Recirculation Control Module A". The vehicle's main computer has lost its ability to communicate with a specific module over the data bus. This could be caused by a wiring fault, a blown fuse, or a failed control module.
Symptoms you may notice
- Check engine light (MIL) illuminated on dashboard
- Possible issues with communication bus operation
- Vehicle may enter reduced power mode (limp mode)
Estimated repair cost
Typical range in Australia (parts + labour)
$200 – $800 AUD
Common causes
- Failed control module
- CAN bus wiring fault or short
- Blown fuse to the affected module
- Water intrusion in a connector or module
- Battery voltage too low
What should you do?
This code sits in an engine peripheral, typically emissions or forced induction. It will not take braking or steering away, but it can put the car into limp mode, cost you fuel and fail a roadworthy. Book it in rather than clearing it and hoping.
Get a diagnosis for YOUR car
Code U010A can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.