OBD-II trouble code
U0475: Invalid Data Received From Restraints System Sensor E
A module is receiving messages from restraints system sensor E, but the data is implausible or out of range. The link is alive; the values can't be trusted. Because this sensor feeds airbag deployment logic, treat U0475 as safety-critical and diagnose it promptly.
Quick facts
- System
- Network
- Category
- Network Communication
- Severity
- High severity
- Drivable
- Usually safe to drive short-term
- Repair cost range
- $100 – $700
- DIY difficulty
- Shop recommended
What does U0475 mean?
To protect occupants, the restraints (airbag) control module reads a network of impact, acceleration, and — on many vehicles — side-impact pressure sensors placed around the body. 'Sensor E' identifies one specific sensor in that network; on vehicles with door-mounted pressure (satellite) sensors, the higher letters often fall in that group, though the exact assignment is set by the manufacturer. U0475 sets when a receiving module still gets messages from restraints system sensor E, but the data is invalid — out of range, implausible, or inconsistent with the rest of the system — so its integrity is questioned.
The defining feature is that the sensor is still communicating; only the content is wrong. That separates U0475 from the lost-communication code U0174, where sensor E has gone silent. Because a crash sensor feeding bad numbers could cause an inappropriate deployment or a missed one, the restraints module handles invalid data conservatively: it stores the fault, illuminates the airbag/SRS warning light, and can set the affected zone to a fault state.
Common causes are the classic signal-corrupters: a poor ground or low system voltage; corroded, loose, or water-damaged connectors — door pressure sensors sit inside the door where moisture and slamming stress the connector; chafed wiring flexing at the door hinge; a sensor drifting out of range or failing; or a configuration/software problem after a sensor or module replacement that wasn't programmed to the vehicle. Door and window work is a frequent trigger. The vehicle usually drives normally, masking the reduced protection. Have U0475 diagnosed by a technician equipped to service airbag circuits safely, since restraint wiring can deploy unexpectedly if mishandled.
Common causes
- Corroded, loose, or water-damaged connector at restraints sensor E
- Moisture intrusion at a door- or side-mounted pressure sensor
- Chafed or fatigued wiring flexing at a door hinge harness
- Poor ground or low system voltage
- Sensor E drifting out of range or internally failing
- Sensor or restraints module replaced without correct programming/configuration
- Connector disturbed during door, window, or collision repair
- Outdated, corrupted, or mismatched module software
Symptoms
- Airbag/SRS warning light on, often with a service-airbag message
- Restraints system fault state; side/zone deployment behavior may be affected
- Companion restraints or network codes stored alongside U0475
- Intermittent setting after door slams or over rough roads (connector/wiring)
- Vehicle otherwise starts and drives normally
Diagnostic steps
- 1.Scan the restraints/SRS module and all modules; record every code. Follow safe SRS procedure — disconnect the battery and wait the specified time before any hands-on airbag work.
- 2.Locate restraints sensor E for the specific vehicle using factory service information (often a door or side pressure sensor).
- 3.Load-test the battery and verify charging voltage and the module's grounds.
- 4.Inspect the sensor E connector and harness for corrosion, moisture, and chafing — flex-test the door hinge harness where applicable.
- 5.Confirm whether the sensor or module was recently replaced, and verify it is configured to the vehicle.
- 6.Check the wiring between the sensor and restraints controller for continuity and shorts.
- 7.If power, ground, and wiring are good but data stays invalid, replace sensor E with the correct part and clear codes per factory procedure.
Repair cost
$100 – $700
Cost depends on the cause. Diagnosis usually runs $100-$200. Correcting low voltage, a bad ground, or a moisture-damaged door connector is often $150-$450. Reprogramming or configuring the sensor/module is typically $100-$350. Replacing restraints system sensor E with any required programming typically runs $200-$600+ depending on the sensor and its location. Because this is a safety system, prioritize a correct diagnosis over the cheapest fix.
Estimate your repair
Run the numbers for your vehicle
Open the Repair Cost Estimator with airbag / srs crash sensor replacement preselected. Adjust labor rate and vehicle category to fit your situation.
DIY vs shop
Leave this one to a qualified shop. It typically involves emissions-critical components, refrigerant handling, or other work that requires manufacturer-grade tooling, training, or certification. DIY attempts often produce a more expensive problem than the original code.