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Home / DTC / U053C — Invalid Data Received From Image Processing Module “B”

U053C — Invalid Data Received From Image Processing Module “B”

Detailed page for trouble code U053C.

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U053C

HYUNDAI U — Network/User

Invalid Data Received From Image Processing Module “B”

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

Causes

  • Faulty Image Processing Module “B” (hardware or software)
  • Intermittent or open/short in wiring or connector to the module
  • CAN/LIN bus communication errors (noise, missing or corrupted frames)
  • Low or unstable battery/vehicle supply voltage
  • Incorrect or mismatched software/firmware (incompatible calibration)
  • Aftermarket electronics or recent repairs that altered network wiring

Symptoms

  • One or more driver-assist or camera-dependent features disabled or displaying warnings (lane assist, AEB, surround view)
  • Malfunction indicator or warning message about camera/image system
  • Stored network/communication DTCs in multiple modules
  • Intermittent loss of camera-based functions or degraded performance
  • Possible image artifacts or blank camera feed (if accessible)

What to check

  • Read all stored/active/temporary DTCs and freeze frame data with an OEM-capable scan tool
  • Check battery voltage and charging system (while cranking and key on) to ensure stable supply
  • Inspect Image Processing Module B connector and harness for damage, corrosion, bent pins, water ingress
  • Scan the CAN bus for error frames, message frequency, and the specific message ID(s) from the image module
  • Verify vehicle software/ECU part numbers and calibration IDs for compatibility
  • Check for recent service/aftermarket installations that may affect the network

Signal parameters

  • CAN message ID(s) assigned to Image Processing Module B (monitor with OEM data list)
  • Message frequency/period (Hz or ms) for camera status/data frames
  • Data Length Code (DLC) and expected payload format/byte offsets
  • Checksum or CRC field value and validity
  • Key signal names: camera_image_status, object_detection_status, timestamp/frame_valid
  • CAN high/low differential voltage levels (~2.5 V idle; ~1 V differential during bits)

Diagnostic algorithm

  1. Use a capable scan tool to read and record U053C and any other DTCs in related modules (ECM, BCM, ADAS ECUs). Note freeze frame and occurrence conditions.
  2. Clear codes and attempt to re-create the fault by exercising the affected camera functions. Note whether the code returns and under what conditions.
  3. Verify battery voltage with key ON and during repro. If voltage is low or unstable, charge/replace battery and retest.
  4. Visually inspect the Image Processing Module B connector, harness, and camera(s) for damage, water ingress, or corrosion. Repair any physical damage.
  5. With ignition ON, monitor the CAN bus with scan tool or oscilloscope. Confirm the expected camera messages are present at correct frequency and that payload values are within expected ranges. Check checksum/CRC if possible.
  6. Measure CAN_H and CAN_L voltages at the module connector and verify proper differential signaling and termination (~60 ohms across bus when powered).
  7. Wiggle test harness while monitoring bus/messages to detect intermittent wiring faults. Isolate and repair any intermittent connector/harness issues.
  8. Check for software/version mismatch: verify module part number and calibration ID against manufacturer data. Perform OEM software update or reflash if an update or mismatch is found.
  9. If scope/scan tool shows corrupted or missing frames but wiring is good, consider replacing the Image Processing Module B or swapping with known-good unit (if allowed) as a verification step.
  10. After repairs or replacement, clear codes, perform any required module initialization/calibration procedures per service manual, and confirm no return of U053C under normal operating conditions.

Likely causes

  • CAN message from Image Processing Module B contains invalid checksum/CRC or out-of-range data fields
  • Module B entering fault state or rebooting due to low supply voltage or internal error
  • Damaged shield or twisted pair in CAN harness causing intermittent corruption
  • ECU software update was not completed or calibration mismatch after replacement
  • Multiple ECUs trying to use same CAN ID (bus address conflict) or bus off condition

Fault status

⚠️ Status
Invalid data received from Image Processing Module B — communications/data integrity fault detected on the vehicle network for the camera/vision module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5-3.0 hours

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