U146E Code - Implausible Data Received From Left C-Pillar Impact Acceleration Sensor
Quick Answer
The diagnostic trouble code U146E relates to an issue with the left C-pillar impact acceleration sensor in the vehicle. Common causes include Faulty left C-pillar impact acceleration sensor, Damaged wiring or connectors related to the sensor, Communication errors between the sensor and the vehicle's control module. 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
- U146E indicates Implausible Data Received From Left C-Pillar Impact Acceleration Sensor.
- Common causes
- Common causes include Faulty left C-pillar impact acceleration sensor, Damaged wiring or connectors related to the sensor, Communication errors between the sensor and the vehicle's control module.
- 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 U146E Description
The diagnostic trouble code U146E relates to an issue with the left C-pillar impact acceleration sensor in the vehicle. This sensor is responsible for detecting impacts or collisions on the left side of the vehicle and transmitting this data to the vehicle's safety systems. When the sensor sends implausible data or fails to communicate effectively with the vehicle's control module, the U146E code is triggered.
Common Causes of U146E
- Faulty left C-pillar impact acceleration sensor
- Damaged wiring or connectors related to the sensor
- Communication errors between the sensor and the vehicle's control module
- Impact or collision that has damaged the sensor or its mounting location
- Water or moisture intrusion affecting the sensor's functionality
Symptoms of U146E
- Illumination of the airbag warning light on the dashboard
- Inaccurate or delayed deployment of airbags in a collision
- Stability control system malfunctions or errors
- Issues with the vehicle's overall handling and dynamics
- Diagnostic trouble code U146E stored in the vehicle's onboard computer
How to Fix U146E
- Diagnose the issue by using a diagnostic scan tool to retrieve the U146E code and perform a thorough inspection of the left C-pillar impact acceleration sensor and its related components.
- Check the wiring and connectors for any signs of damage or corrosion, and repair or replace as needed.
- Test the sensor's functionality by simulating impact scenarios or using specialized diagnostic equipment to ensure accurate data transmission.
- If the sensor is found to be faulty, replace it with a new, OEM-approved sensor and recalibrate as per manufacturer specifications.
- Clear the U146E code from the vehicle's computer memory and perform a road test to confirm that the issue has been resolved.
Cost to Fix U146E
The typical repair costs for addressing the U146E code can vary depending on the specific vehicle make and model, the extent of the issue, and the labor rates in your area. Generally, replacing a left C-pillar impact acceleration sensor and addressing any related wiring or communication issues can range from $200 to $500 in parts and labor. It's advisable to consult with a trusted auto repair shop or dealership for a more accurate cost estimate based on your vehicle's specific requirements. Remember that labor rates can vary, so it's essential to factor this into your overall repair budget.
Need more information about the U146E code?
Need more information on how to fix the U146E code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U146E code diagnosed by a professional: Find a repair shop in your area
Code U146E Information for Specific Makes
- U146E Chrysler — Implausible Data Received From Left C-Pillar Impact Acceleration Sensor
- U146E Dodge — Implausible Data Received From Left C-Pillar Impact Acceleration Sensor
- U146E Jeep — Implausible Data Received From Left C-Pillar Impact Acceleration Sensor
- U146E RAM — Implausible Data Received From Left C-Pillar Impact Acceleration Sensor
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 U146E Code
1. What are the common symptoms of OBDII code U146E?
- Common symptoms include the illumination of the Check Engine Light (CEL), erratic or inaccurate readings from the left C-Pillar impact acceleration sensor, and potential issues with the airbag system.
2. What does the OBDII code U146E indicate?
- The code U146E indicates that the vehicle's onboard computer has detected implausible data received from the left C-Pillar impact acceleration sensor.
3. What are the possible causes of OBDII code U146E?
- Possible causes include a malfunctioning C-Pillar impact acceleration sensor, damaged wiring or connectors in the sensor circuit, or a fault in the airbag control module.
4. How can I diagnose the issue related to code U146E?
- Diagnosing the issue may involve using a diagnostic scanner to retrieve the code, inspecting the left C-Pillar impact acceleration sensor and its wiring for damage, and checking for any loose connections.
5. Can code U146E affect the airbag system's functionality?
- Yes, code U146E can potentially affect the airbag system's functionality, as the left C-Pillar impact acceleration sensor plays a crucial role in detecting impacts and deploying airbags in the event of a collision.
6. Is it safe to continue driving with OBDII code U146E present?
- It is not recommended to continue driving with the U146E code present, as it may indicate a fault in the airbag system that could compromise safety in the event of an accident.
7. How can I repair OBDII code U146E?
- Repairing code U146E may involve replacing the left C-Pillar impact acceleration sensor, repairing any damaged wiring or connectors, or resetting the airbag control module after addressing the underlying issue.
8. Can a DIY enthusiast fix OBDII code U146E at home?
- While some DIY enthusiasts may be able to diagnose and address simple issues related to code U146E, it is recommended to seek professional help, especially when dealing with airbag system components.
9. How much does it typically cost to repair OBDII code U146E?
- The cost of repairing code U146E can vary depending on the specific cause of the issue, but it may involve expenses for parts such as the impact acceleration sensor and labor for diagnosis and repair.
10. Will resetting the fault codes clear OBDII code U146E permanently?
- Resetting the fault codes may temporarily clear the U146E code, but if the underlying issue is not addressed, the code is likely to reappear. It is crucial to diagnose and fix the root cause of the problem.
Discuss the causes and fixes for U146E OBDII Code
Code U146E 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.