Code
U0457
Generic
U — Network/User
Invalid Data Received From Information Center A
Views:
UK: 25
EN: 23
RU: 20
AI status
Completed
Completed
100%
Causes
- Corrupted or malformed CAN/LIN message from Information Center A
- Intermittent or failed network communication (CAN/LIN bus errors)
- Faulty Information Center A module (hardware/software)
- Poor power or ground to the sending or receiving module
- Software mismatch or module calibration error after update
- Wiring harness damage, loose connector, or poor terminal contact
Symptoms
- MIL or network-related warning lamps may illuminate
- Incorrect or missing messages on dash/infotainment displays
- Intermittent operation of systems relying on Information Center A data
- Multiple communication U-codes present in scan tool data
- Noisy or saturated network traffic on CAN/LIN when monitored
What to check
- Read all stored U-codes and freeze frame data from all modules with a professional scan tool
- Check battery voltage and charging system (stable 12V+ during key on/engine run)
- Verify Information Center A module presence and ignition wake status on the bus
- Inspect connectors and wiring for the Information Center A module and gateway
- Monitor vehicle bus traffic (CAN/LIN) for error frames, faulted nodes, or malformed messages
- Clear codes and attempt to reproduce; note time, conditions, and any pattern
Signal parameters
- Message ID (CAN arbitration ID) for Information Center A
- DLC (data length code) and expected data byte count
- Message frequency (expected period in ms) and observed period
- Checksum or CRC byte value and validation status
- Message sequence/counter rollover and expected counter range
- Specific data parameter ranges (e.g., temperature, status bits) and observed out-of-range values
Diagnostic algorithm
- Retrieve and record all stored U-codes and freeze-frame data from all modules. Note any other network-related codes (U0073, U0100, etc.).
- Verify battery/charging voltage (key ON, engine OFF and during repro). Ensure stable 12–14.5 V during testing; recharge or load-test battery if low.
- Visually inspect the Information Center A module connectors, pins, and wiring for corrosion, bent pins, or damage. Repair or reseat connectors as needed.
- Using a capable scan tool, confirm the Information Center A module is present on the network and responding. If module not present, check its power/ground circuits and fuses.
- Capture and analyze raw bus traffic while reproducing the fault. Look for malformed frames, unexpected IDs, incorrect DLC, bad checksums, or abnormal timing.
- Check for intermittent faults by wiggle-testing wiring harnesses and connectors while monitoring bus traffic and DTCs.
- If message content is invalid but module is present, check for known software calibration or firmware updates and reprogram or reflash the module to latest release per OEM procedures.
- If the module remains the source of invalid messages after power/ground and reflash checks, consider replacing the Information Center A module. Verify repair by clearing codes and re-testing.
- After repair, perform a full network scan to ensure no residual communication faults and confirm normal operation under the original failure conditions.
Likely causes
- Faulty Information Center A sending invalid message payload or wrong checksum
- Open/short or intermittent connection on vehicle data bus (CAN high/low or LIN)
- Corroded or loose connector at the Information Center or gateway module
- Recent module reflash/update left mismatched software/calibration
- Related module not powered or in sleep preventing valid responses
Fault status
Status
Invalid data received from Information Center A — message failed validation (format, checksum, counter or range) or module network communication error.
Repair difficulty: Medium
Diagnostic time: 1.0-3.0 hours
Similar codes
Repair manuals
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Code
U0457
HYUNDAI
U — Network/User
Invalid Data Received From Information Center “A”
Views:
UK: 14
EN: 19
RU: 21
AI status
Completed
Completed
100%
Causes
- Corrupted or malformed CAN/LIN message from Information Center A
- Intermittent or failed network communication (CAN/LIN bus errors)
- Faulty Information Center A module (hardware/software)
- Poor power or ground to the sending or receiving module
- Software mismatch or module calibration error after update
- Wiring harness damage, loose connector, or poor terminal contact
Symptoms
- MIL or network-related warning lamps may illuminate
- Incorrect or missing messages on dash/infotainment displays
- Intermittent operation of systems relying on Information Center A data
- Multiple communication U-codes present in scan tool data
- Noisy or saturated network traffic on CAN/LIN when monitored
What to check
- Read all stored U-codes and freeze frame data from all modules with a professional scan tool
- Check battery voltage and charging system (stable 12V+ during key on/engine run)
- Verify Information Center A module presence and ignition wake status on the bus
- Inspect connectors and wiring for the Information Center A module and gateway
- Monitor vehicle bus traffic (CAN/LIN) for error frames, faulted nodes, or malformed messages
- Clear codes and attempt to reproduce; note time, conditions, and any pattern
Signal parameters
- Message ID (CAN arbitration ID) for Information Center A
- DLC (data length code) and expected data byte count
- Message frequency (expected period in ms) and observed period
- Checksum or CRC byte value and validation status
- Message sequence/counter rollover and expected counter range
- Specific data parameter ranges (e.g., temperature, status bits) and observed out-of-range values
Diagnostic algorithm
- Retrieve and record all stored U-codes and freeze-frame data from all modules. Note any other network-related codes (U0073, U0100, etc.).
- Verify battery/charging voltage (key ON, engine OFF and during repro). Ensure stable 12–14.5 V during testing; recharge or load-test battery if low.
- Visually inspect the Information Center A module connectors, pins, and wiring for corrosion, bent pins, or damage. Repair or reseat connectors as needed.
- Using a capable scan tool, confirm the Information Center A module is present on the network and responding. If module not present, check its power/ground circuits and fuses.
- Capture and analyze raw bus traffic while reproducing the fault. Look for malformed frames, unexpected IDs, incorrect DLC, bad checksums, or abnormal timing.
- Check for intermittent faults by wiggle-testing wiring harnesses and connectors while monitoring bus traffic and DTCs.
- If message content is invalid but module is present, check for known software calibration or firmware updates and reprogram or reflash the module to latest release per OEM procedures.
- If the module remains the source of invalid messages after power/ground and reflash checks, consider replacing the Information Center A module. Verify repair by clearing codes and re-testing.
- After repair, perform a full network scan to ensure no residual communication faults and confirm normal operation under the original failure conditions.
Likely causes
- Faulty Information Center A sending invalid message payload or wrong checksum
- Open/short or intermittent connection on vehicle data bus (CAN high/low or LIN)
- Corroded or loose connector at the Information Center or gateway module
- Recent module reflash/update left mismatched software/calibration
- Related module not powered or in sleep preventing valid responses
Fault status
Status
Invalid data received from Information Center A — message failed validation (format, checksum, counter or range) or module network communication error.
Repair difficulty: Medium
Diagnostic time: 1.0-3.0 hours
Similar codes
Repair manuals
Manual library for HYUNDAI
371
Browse 371 HYUNDAI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.
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