Code Definition

U053B — Invalid Data Received from Forward Sensing Camera

System: Network Communication  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About U053B

U053B is a generic (obd-ii standard) network communication diagnostic trouble code. It belongs to the U-prefix family of codes, which covers inter-module network communication (CAN, LIN, FlexRay, or similar) faults.

Scanning & clearing: Network (U) codes report communication faults between modules. When diagnosing U-codes, checking the vehicle's CAN bus integrity, supply/ground at each module, and reading all modules for related faults is usually the first step.

Because U053B is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The receiving control module, commonly the ADAS or driver assistance module, the PCM, the ABS and stability module, or the BCM, monitors the data sent over the CAN network by the forward sensing camera. This camera, mounted at the top of the windscreen behind the mirror, supports driver assistance functions such as lane departure warning, lane keeping, traffic sign recognition, and autonomous emergency braking. DTC U053B sets when the receiving module finds the camera data present but invalid, implausible, or outside the expected range for current conditions. This is a data plausibility or int...

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