U0474 Code - Invalid Data Received From Restraints System Sensor 'D'
Quick Answer
A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Restraints System Sensor 'D', Restraints System Sensor 'D' harness is open or shorted, Restraints System Sensor 'D' circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- U0474 indicates Invalid Data Received From Restraints System Sensor 'D'.
- Common causes
- Common causes include Faulty Restraints System Sensor 'D', Restraints System Sensor 'D' harness is open or shorted, Restraints System Sensor 'D' circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code U0474 Description
What are the Possible Causes of the DTC U0474?
- Faulty Restraints System Sensor 'D'
- Restraints System Sensor 'D' harness is open or shorted
- Restraints System Sensor 'D' circuit poor electrical connection
How to Fix the DTC U0474?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the U0474 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service
- Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
- Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
- Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
- Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.
Frequently Asked Questions about U0474 Code
1. What are the common symptoms of OBDII code U0474?
- Common symptoms include the airbag warning light being illuminated on the dashboard and potential issues with the vehicle's restraint system.
2. What does the OBDII code U0474 indicate?
- The code U0474 indicates that the vehicle's onboard diagnostic system has detected invalid data received from the restraints system sensor 'D'.
3. What are the possible causes of OBDII code U0474?
- Possible causes include a malfunctioning restraints system sensor 'D', damaged wiring or connections related to the sensor, or a fault in the vehicle's electronic control module.
4. How can I diagnose the source of OBDII code U0474?
- Diagnosing the issue typically involves using a diagnostic scanner to retrieve the fault codes, inspecting the restraints system sensor 'D', checking the sensor wiring and connections, and conducting any necessary electrical tests.
5. Can OBDII code U0474 be fixed by resetting the vehicle's computer?
- While clearing the error codes may temporarily turn off the warning light, it is essential to address the underlying issue causing code U0474 to prevent further problems with the vehicle's restraint system.
6. Are there any safety concerns associated with OBDII code U0474?
- Yes, since the code is related to the vehicle's restraint system, it is crucial to address the issue promptly to ensure the airbags and other safety features function properly in the event of an accident.
7. How much does it typically cost to repair OBDII code U0474?
- The cost of repair can vary depending on the specific cause of the code, but it may involve replacing the restraints system sensor 'D', repairing damaged wiring, or reprogramming the vehicle's electronic control module.
8. Can I continue driving my vehicle with OBDII code U0474 present?
- It is not recommended to continue driving the vehicle with the code U0474 active, as it may indicate a potential safety issue with the restraint system that could compromise your safety in the event of a collision.
9. Will fixing OBDII code U0474 require a visit to a professional mechanic?
- Due to the complexity of diagnosing and repairing issues related to the vehicle's restraint system, it is advisable to seek the expertise of a professional mechanic to properly address OBDII code U0474.
10. Is it possible to prevent OBDII code U0474 from occurring in the future?
- Regular maintenance and inspections of the vehicle's restraint system components, including sensors and wiring, can help prevent issues that may trigger OBDII code U0474.
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