U0267 is a manufacturer-specific diagnostic trouble code indicating that a control module (such as the engine or body control module) has lost communication with the image processing sensor C, typically a camera module used for advanced driver-assistance systems (ADAS). This code points to a failure in the communication network between the sensor and the vehicle's main controllers.
The camera module itself has failed internally, often due to electronic component degradation, moisture ingress, or physical damage. This is the most common cause.
Open circuits, short circuits, or corrosion in the communication (CAN/LIN) or power/ground wires between the sensor and the control module can interrupt signals.
A blown fuse, faulty relay, or poor ground connection can prevent the camera module from powering up or communicating properly.
Although less common, a malfunctioning master controller or gateway module can fail to communicate with the sensor. This should only be considered after ruling out the sensor and wiring.
Outdated or corrupted software in the camera module or control module can cause communication loss. This is rare but possible after module replacement or updates.
Non-factory accessories (e.g., aftermarket lighting, trailer wiring) that tap into the camera circuit or communication bus can disrupt signals.
Yes, the vehicle will usually remain drivable, but camera-based safety features (lane keep, adaptive cruise, etc.) will be disabled. Driving without these features is safe as long as you compensate manually, but have the issue diagnosed promptly.
Almost never. The PCM is rarely the cause of a lost communication code like U0267. The problem is almost always the camera module itself, its wiring, or a power/ground issue. Replacing the PCM without proper diagnosis is a costly mistake.
Clearing the code may turn off the warning light temporarily, but if the underlying fault (e.g., a dead camera module) remains, the code will return. Use code clearing only as a diagnostic step after repairs.
U0267 is a manufacturer-specific code, meaning its exact definition and diagnostic steps can vary between brands (e.g., Ford, GM, Toyota). Always refer to the vehicle's service information for precise troubleshooting.