U146E Chrysler Code - Implausible Data Received From Left C-Pillar Impact Acceleration Sensor
Quick Answer
The U146E Chrysler code indicates that the vehicle's onboard computer has detected implausible data coming from the left C-pillar impact acceleration sensor. Common causes include Faulty left C-pillar impact acceleration sensor, Damaged wiring or connectors leading to the sensor, Sensor calibration or programming issues. 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 Chrysler 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 leading to the sensor, Sensor calibration or programming issues.
- 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.
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Code U146E Chrysler Description
The U146E Chrysler code indicates that the vehicle's onboard computer has detected implausible data coming from the left C-pillar impact acceleration sensor. This sensor is responsible for detecting sudden changes in acceleration, which could indicate a collision or impact on the left side of the vehicle's C-pillar. When the sensor sends erratic or incorrect data to the computer, it can lead to a range of issues with the vehicle's safety systems.
Common Causes of U146E Chrysler
- Faulty left C-pillar impact acceleration sensor
- Damaged wiring or connectors leading to the sensor
- Sensor calibration or programming issues
- Impact or collision causing damage to the sensor or surrounding components
Symptoms of U146E Chrysler
- Illumination of the airbag warning light on the dashboard
- Erratic behavior of the vehicle's stability control system
- Inconsistent operation of the traction control system
- Potential for improper deployment or non-deployment of airbags in a collision
How to Fix U146E Chrysler
- Diagnose the specific cause of the code using a professional scan tool
- Inspect the left C-pillar impact acceleration sensor for damage or malfunctions
- Check the wiring and connectors for any signs of damage or corrosion
- Reset the sensor and recalibrate it according to manufacturer specifications
- Clear the code from the vehicle's computer and perform a test drive to ensure the issue has been resolved
Cost to Fix U146E Chrysler
The typical repair costs for addressing the U146E Chrysler code can vary depending on the specific cause of the issue. In general, replacing a faulty left C-pillar impact acceleration sensor can cost between $200 and $500, including parts and labor. However, if the issue is related to wiring or connector damage, the repair costs may be lower. It's important to factor in diagnosis time and labor rates, which can vary between auto repair shops. It's advisable to consult with a professional mechanic for a more accurate estimate based on the vehicle's make and model.
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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 U146E Chrysler Code
1. What are the common symptoms of OBDII code U146E in a Chrysler vehicle?
- Common symptoms include the illumination of the Check Engine light, erratic behavior of the vehicle's safety systems, and potential issues with the airbag deployment system.
2. What does the OBDII code U146E "Implausible Data Received From Left C-Pillar Impact Acceleration Sensor" mean?
- This code indicates that the vehicle's onboard computer has detected abnormal or inconsistent data coming from the left C-pillar impact acceleration sensor.
3. What are the possible causes of OBDII code U146E in a Chrysler vehicle?
- Possible causes include a malfunctioning left C-pillar impact acceleration sensor, wiring or connection issues, software glitches, or a problem with the vehicle's airbag control module.
4. How serious is OBDII code U146E in a Chrysler vehicle?
- This code should be addressed promptly as it relates to the proper functioning of the vehicle's safety systems, particularly the airbag deployment system. Ignoring this code may compromise the vehicle's safety in the event of an accident.
5. Can I continue to drive my Chrysler vehicle with OBDII code U146E present?
- It is not recommended to continue driving the vehicle with this code active, as it may affect the proper operation of the airbag system and other safety features.
6. How can I diagnose and repair OBDII code U146E in my Chrysler vehicle?
- Diagnosis typically involves inspecting the left C-pillar impact acceleration sensor, checking wiring connections, and using a diagnostic scanner to reset the code after repairs are made.
7. Can a DIY enthusiast fix OBDII code U146E, or is professional help required?
- While some individuals may be able to diagnose and repair simple wiring or connection issues causing this code, more complex problems with sensors or modules may require professional assistance.
8. Are there any preventive measures to avoid OBDII code U146E from occurring in my Chrysler?
- Regular vehicle maintenance, including checking the airbag system components during scheduled services, can help prevent issues that may trigger this code.
9. How much does it typically cost to repair OBDII code U146E in a Chrysler vehicle?
- The cost of repair can vary depending on the exact cause of the code, but it may involve sensor replacement, wiring repairs, or software updates, which can range from a few hundred to over a thousand dollars.
10. Does fixing OBDII code U146E require resetting the vehicle's computer system?
- Yes, after the underlying issue is fixed, the OBDII code U146E can be reset using a diagnostic scanner to clear the code from the vehicle's computer system.
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