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Home / DTC / U0565 — Invalid Data Received From Camera Module Rear

U0565 — Invalid Data Received From Camera Module Rear

Detailed page for trouble code U0565.

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Code

U0565

HYUNDAI U — Network/User

Invalid Data Received From Camera Module Rear

Brand: HYUNDAI
Type: U — Network/User
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty rear camera module (hardware or internal electronics)
  • Damaged or corroded camera connector or wiring harness
  • Open, shorted, or high-resistance power or ground to the camera
  • CAN/LIN/serial network fault (open, short, missing termination, excessive noise)
  • Blown fuse or failed power supply/relay for camera circuit
  • Module software/configuration mismatch or corrupted firmware

Symptoms

  • No rear camera image or black/blank screen when reverse selected
  • Distorted, frozen, or garbled camera image
  • Warning message or indicator related to rear camera or parking assist
  • Loss of camera-based functions (parking assist guidelines, 360° view)
  • One or more communication-related DTCs present on a scan tool

What to check

  • Confirm U0565 and any related DTCs with a diagnostic scanner; record freeze frame data
  • Attempt to reproduce fault by selecting reverse/camera view; note symptoms
  • Visual inspection of rear camera, connector, and harness for damage or water intrusion
  • Inspect fuses and relays for camera power feed; measure battery voltage at fuse
  • Check for other communication errors on CAN/LIN using a scan tool (module presence, bus-off, errors)
  • Wiggle test wiring and connector while observing live data / image for intermittent faults

Signal parameters

  • Camera supply voltage at module: approximately battery voltage (typically 11–14.5 V when engine running; ~12 V key-on)
  • Camera ground: near 0 V, low resistance to chassis ground
  • CAN bus idle voltages: CAN_H ≈ 2.5 V (recessive ~2.5–2.75 V; dominant ~3.5 V), CAN_L ≈ 2.5 V (dominant ~1.5 V)
  • CAN differential idle: ~0 V differential (recessive), differential when dominant ~2 V
  • Video/LVDS signals (if used): manufacturer-specific differential levels; check service data for expected voltages and waveforms
  • Module presence on network: module should respond to diagnostic poll and show expected data bytes

Diagnostic algorithm

  1. Connect OEM-quality diagnostic scanner. Read and note U0565 and any related codes and freeze frame data; clear codes and attempt to reproduce.
  2. Confirm symptom: select reverse/camera view and observe image and live data. Note whether image is absent, frozen, or corrupted.
  3. Inspect the rear camera and connector for physical damage, corrosion, or water intrusion. Repair or clean any obvious faults.
  4. Check camera power: with ignition ON, measure battery voltage at camera power pin and verify continuity to the fuse and power source. Replace blown fuse or repair feed as needed.
  5. Check camera ground: measure resistance from camera ground pin to chassis ground (
  6. Inspect and backprobe communication lines at the camera connector. Measure CAN_H and CAN_L idle voltages and look for correct dominant/recessive transitions when communicating.
  7. If communication voltages are out of range, inspect CAN wiring for opens, shorts to battery/ground, damaged insulation, or bad terminations at ECUs/gateways.
  8. Wiggle harness/connectors while observing live data to find intermittent faults. Repair wiring or secure connectors.
  9. If wiring and power/ground are good but communication still invalid, verify module presence on network via scanner. Attempt to reinitialize or reprogram module per service procedures.
  10. If module fails to respond or provides corrupted data despite good wiring and power, replace the rear camera module and recheck. After replacement, perform any required module coding or software updates.
  11. Clear codes and verify repair by cycling ignition and performing camera activation tests (reverse/AV mode) and re-checking for returned DTCs.

Likely causes

  • Loose, corroded, or damaged connector at the rear camera
  • Open or short in camera power/ground circuit
  • CAN bus wiring fault between camera and gateway/ECU (open/short/high resistance)
  • Failed rear camera module
  • Blown fuse or bad power feed to camera module

Fault status

⚠️ Status
Invalid data received from rear camera module. Rear camera image or related features may be unavailable.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5-3.0 hours
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