U0551 Code - Invalid Data Received From Impact Classification System Module
Quick Answer
The U0551 diagnostic trouble code (DTC) refers to "Invalid Data Received From Impact Classification System Module." This code indicates that the vehicle's onboard computer has detected an issue with the Impact Classification System (ICS) module, which is responsible for determining the severity of impact during a collision. Common causes include Faulty Impact Classification System (ICS) module, Wiring issues or corrosion in the ICS module circuit, Software malfunction or communication error within the vehicle's network. 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
- U0551 indicates Invalid Data Received From Impact Classification System Module.
- Common causes
- Common causes include Faulty Impact Classification System (ICS) module, Wiring issues or corrosion in the ICS module circuit, Software malfunction or communication error within the vehicle's network.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U0551 Description
The U0551 diagnostic trouble code (DTC) refers to "Invalid Data Received From Impact Classification System Module." This code indicates that the vehicle's onboard computer has detected an issue with the Impact Classification System (ICS) module, which is responsible for determining the severity of impact during a collision. The ICS module uses sensors to gather data and make split-second decisions about deploying airbags, pretensioners, and other safety features in the event of a crash. When the system detects invalid or corrupt data, it may not function properly, compromising the vehicle's safety features.
Common Causes of U0551
- Faulty Impact Classification System (ICS) module
- Wiring issues or corrosion in the ICS module circuit
- Software malfunction or communication error within the vehicle's network
- Damage to sensors that provide data to the ICS module
- Water or moisture intrusion affecting the ICS module
Symptoms of U0551
- Airbag warning light illuminated on the dashboard
- Loss of functionality of safety features such as airbags or pretensioners
- Inaccurate or erratic deployment of safety features
- Inability to pass state vehicle safety inspections
- Diagnostic trouble code (DTC) U0551 stored in the vehicle's computer system
How to Fix U0551
- Diagnose the issue by retrieving the DTCs stored in the vehicle's computer system and performing a thorough inspection of the ICS module and related components.
- Check for loose or corroded wiring connections and repair or replace as necessary.
- Test the sensors that provide data to the ICS module to ensure they are functioning correctly.
- If a faulty ICS module is determined to be the cause, replace the module with a new or refurbished unit and reprogram as needed.
- Clear the DTCs from the vehicle's computer system and perform a test drive to verify that the issue has been resolved.
Cost to Fix U0551
The cost of repairing a U0551 DTC can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the cost of replacing a faulty Impact Classification System (ICS) module can range from $300 to $800, including parts and labor. Additional costs may apply if wiring repairs or sensor replacements are needed. It's important to consult with a qualified technician to determine the exact cause of the problem and get an accurate estimate for the repair. Keep in mind that labor rates at auto repair shops can vary, so it's advisable to shop around for the best deal.
Need more information about the U0551 code?
Need more information on how to fix the U0551 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U0551 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U0551 Code
No Frequently Asked Questions about U0551 Code found.
Discuss the causes and fixes for U0551 OBDII Code
Code U0551 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.