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Home / DTC / U0454 — Invalid Data Received From Side Restraints Control Module - Right

U0454 — Invalid Data Received From Side Restraints Control Module - Right

Detailed page for trouble code U0454.

34,405codes
59brands
11,914generic
22,491specific
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U0454

Generic U — Network/User

Invalid Data Received From Side Restraints Control Module - Right

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

Causes

  • Faulty right side restraints control module (hardware or firmware)
  • CAN/LIN network communication fault (open, short, high resistance, noise)
  • Damaged or corroded wiring or connectors to the right side restraints module
  • Incorrect or missing module programming/calibration
  • Power supply (VBAT) or ground problem at the module
  • Post-crash condition or previous deployment not properly repaired

Symptoms

  • SRS/airbag warning lamp illuminated
  • Side airbag or seatbelt pretensioner disabled for the right side
  • Stored U0454 or related communication DTCs in scan tool
  • Possible other network messages or modules reporting loss of data from right side restraints
  • Vehicle may require SRS system reset or module reprogram after repair

What to check

  • Obtain full scan of SRS and network modules; record DTCs and freeze frame data
  • Check for any airbag deployment history or collision-related damage
  • Visually inspect connector and wiring at the right side restraints module for corrosion, bent pins, chafing, or water intrusion
  • Verify module receives proper battery voltage and a good ground (measure VBAT and ground at connector)
  • Confirm the right side restraints module is present on the bus (module ID visible in scanner) and note message frequency
  • Check CAN high/low voltages and resistance across bus (approx. 60 ohm termination when powered)

Signal parameters

  • CAN bus: normal idle voltages CAN_H ~2.5V, CAN_L ~2.5V (biased); typical dominant/recessive swings when active
  • Module supply: VBAT ~11–14.5V at connector when key on
  • Ground continuity:
  • Expected message interval: module SRS/status messages typically present every few hundred ms (varies by vehicle)
  • Message payload: status bits/bytes for right side restraints should be within expected ranges (no invalid/offset values or checksum errors)
  • Bus termination: ~60 ohm total resistance between CAN_H and CAN_L with ignition on

Diagnostic algorithm

  1. Connect a capable scan tool and read all stored and pending codes. Note freeze frame and event data.
  2. Clear the code, cycle ignition, and see if U0454 returns and under what conditions (ignition on, engine start, door open, crash detect).
  3. Visually inspect the right side restraints module, harness, and connectors for damage, corrosion, or water intrusion. Repair any physical faults.
  4. Verify power and ground at the module connector. Repair wiring if VBAT or ground are out of spec.
  5. With a scope or multimeter, check CAN_H and CAN_L at the module connector for proper idle voltages and message activity. Compare to a known-good node if available.
  6. Check CAN bus termination and continuity to other control modules. Repair shorts/opens or improper splices.
  7. If wiring and bus checks pass, verify the module ID and software level. Reprogram or update module flash/calibration if manufacturer procedures indicate.
  8. If intermittent or corrupted messages persist, try substituting a known-good module only if you have proper vehicle-specific replacement and coding tools; recheck network communication.
  9. After any repair or replacement, clear codes and perform required SRS module initialization/calibration per OEM procedure. Confirm no new DTCs and that SRS lamp extinguishes.
  10. If issue remains after wiring and module replacement, consult manufacturer technical bulletins for module-specific faults or software fixes.

Likely causes

  • Intermittent or failed CAN bus connection to the right side restraints module
  • Corroded/loose connector at the right side restraints module
  • Module internal fault (processor, memory, or sensor interface)
  • Module was replaced/repaired and not configured/programmed correctly
  • Short to battery or ground on the module data lines

Fault status

⚠️ Status
Invalid data received from side restraints control module - right. Right SRS module messages are corrupted, out of range, or otherwise not accepted by the network.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

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Code

U0454

HYUNDAI U — Network/User

Invalid Data Received From Side Restraints Control Module Right

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

Causes

  • Faulty right side restraints control module (hardware or firmware)
  • CAN/LIN network communication fault (open, short, high resistance, noise)
  • Damaged or corroded wiring or connectors to the right side restraints module
  • Incorrect or missing module programming/calibration
  • Power supply (VBAT) or ground problem at the module
  • Post-crash condition or previous deployment not properly repaired

Symptoms

  • SRS/airbag warning lamp illuminated
  • Side airbag or seatbelt pretensioner disabled for the right side
  • Stored U0454 or related communication DTCs in scan tool
  • Possible other network messages or modules reporting loss of data from right side restraints
  • Vehicle may require SRS system reset or module reprogram after repair

What to check

  • Obtain full scan of SRS and network modules; record DTCs and freeze frame data
  • Check for any airbag deployment history or collision-related damage
  • Visually inspect connector and wiring at the right side restraints module for corrosion, bent pins, chafing, or water intrusion
  • Verify module receives proper battery voltage and a good ground (measure VBAT and ground at connector)
  • Confirm the right side restraints module is present on the bus (module ID visible in scanner) and note message frequency
  • Check CAN high/low voltages and resistance across bus (approx. 60 ohm termination when powered)

Signal parameters

  • CAN bus: normal idle voltages CAN_H ~2.5V, CAN_L ~2.5V (biased); typical dominant/recessive swings when active
  • Module supply: VBAT ~11–14.5V at connector when key on
  • Ground continuity:
  • Expected message interval: module SRS/status messages typically present every few hundred ms (varies by vehicle)
  • Message payload: status bits/bytes for right side restraints should be within expected ranges (no invalid/offset values or checksum errors)
  • Bus termination: ~60 ohm total resistance between CAN_H and CAN_L with ignition on

Diagnostic algorithm

  1. Connect a capable scan tool and read all stored and pending codes. Note freeze frame and event data.
  2. Clear the code, cycle ignition, and see if U0454 returns and under what conditions (ignition on, engine start, door open, crash detect).
  3. Visually inspect the right side restraints module, harness, and connectors for damage, corrosion, or water intrusion. Repair any physical faults.
  4. Verify power and ground at the module connector. Repair wiring if VBAT or ground are out of spec.
  5. With a scope or multimeter, check CAN_H and CAN_L at the module connector for proper idle voltages and message activity. Compare to a known-good node if available.
  6. Check CAN bus termination and continuity to other control modules. Repair shorts/opens or improper splices.
  7. If wiring and bus checks pass, verify the module ID and software level. Reprogram or update module flash/calibration if manufacturer procedures indicate.
  8. If intermittent or corrupted messages persist, try substituting a known-good module only if you have proper vehicle-specific replacement and coding tools; recheck network communication.
  9. After any repair or replacement, clear codes and perform required SRS module initialization/calibration per OEM procedure. Confirm no new DTCs and that SRS lamp extinguishes.
  10. If issue remains after wiring and module replacement, consult manufacturer technical bulletins for module-specific faults or software fixes.

Likely causes

  • Intermittent or failed CAN bus connection to the right side restraints module
  • Corroded/loose connector at the right side restraints module
  • Module internal fault (processor, memory, or sensor interface)
  • Module was replaced/repaired and not configured/programmed correctly
  • Short to battery or ground on the module data lines

Fault status

⚠️ Status
Invalid data received from side restraints control module - right. Right SRS module messages are corrupted, out of range, or otherwise not accepted by the network.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

U0100 U0140 U0155 U0420 U0450
371

Browse 371 HYUNDAI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

HYUNDAI

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