DTC codes / U02xx · Lost communication with a control module / U026A
U026A is a generic network communication code indicating that a control module on the vehicle's controller area network (CAN) bus has lost contact with the image processing sensor F, which is typically a camera or vision module used for driver-assist features. The module that sets this code has detected that messages from that specific sensor have stopped arriving within the expected time window, so it flags the sensor as missing from the network.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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