U0568

Code

Generic U — Network/User

Invalid Data Received From Image Processing Sensor C

Brand: Generic

Type: U — Network/User

Views: UK: 24 EN: 35 RU: 25

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Page language: EN

Causes

Faulty image processing sensor (camera) C
Poor or intermittent power or ground to the sensor
Damaged connector, wiring harness, or high-resistance connection
CAN/LIN bus or Ethernet (if used) communication errors or bus contention
Software/firmware mismatch or corrupt calibration in sensor or host module
Interference or a failed intermediate module (gateway, image processor)

Symptoms

Malfunction message or warning on instrument cluster or ADAS UI
Loss or degradation of camera-based features (lane assist, automatic braking, adaptive cruise)
Other network modules reporting related communication errors
Intermittent or permanent DTC stored for Image Processing Sensor C
Live camera image missing, frozen, or showing errors in diagnostic tool

What to check

Retrieve all U and related ADAS codes — note freeze frame and history
Check for other modules reporting camera or network faults
Inspect sensor C connector for corrosion, bent pins, water ingress, or damage
Visually inspect wiring harness from sensor to gateway/ECU for chafing, kinks, or repairs
Verify sensor power and ground voltages at the connector with key on (per manufacturer values)
Use a CAN/Ethernet/LIN capable scan tool to watch camera messages and error counters

Signal parameters

Camera status/heartbeat message present on vehicle bus (ID varies by manufacturer)
Image data valid flag / Ready bit
Health or diagnostic status byte (OK / ERROR / CRC_FAIL)
Message frequency (heartbeat) — typically periodic (e.g., 5–50 Hz depending on bus and message)
Packet sequence number and checksum/CRC fields — check for discontinuities or checksum errors
Power rail voltages at sensor connector (example: 12 V supply, accessory 5 V reference)

Diagnostic algorithm

Read DTCs from all modules and capture freeze-frame/live data; record related network codes.
Reproduce fault with a qualified scan tool observing camera module status and message traffic; note message IDs, frequency, and any CRC or error flags.
Visually inspect sensor C, connector, and harness for contamination, damage, or corrosion. Repair any damaged terminals or seals.
With connector connected, measure and verify supply voltage(s) and ground continuity at the sensor pins against manufacturer specs.
Backprobe bus lines and observe network traffic for the camera; look for missing heartbeats, bus errors, or collisions. Use scope or CAN/Ethernet analyzer if needed.
Wiggle-test wiring (with caution) while monitoring live data to find intermittent opens/shorts; do not short circuits — use proper tools.
If wiring and power/ground are good, check for software/configuration issues: verify module software versions, calibrations, and any required reprogramming per service info.
Attempt a controlled software reset or module power cycle (follow manufacturer procedure). Clear codes and retest.
If fault persists and all vehicle-side checks pass, swap with known-good sensor C (if available) or replace sensor per service procedure.
After repair or replacement, perform required calibrations or ADAS sensor relearn and confirm system operation; road test to verify.
Safety note: follow manufacturer instructions for handling camera modules and system calibrations; do not attempt permanent wiring repairs without proper sealing and protection.