DTC codes / U02xx · Lost communication with a control module / U026C
U026C 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 H, which is one of several camera or vision modules used for driver-assistance features. The module that set the code expected regular status messages from that sensor and stopped receiving them for a calibrated period, so it flagged the sensor as offline.
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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