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Engine-Codes – Generic – U147E

U147E Code - Implausible Data Received From Left Blind Spot Sensor

Quick Answer

The U147E code indicates that the vehicle's left blind spot sensor is sending implausible data to the vehicle's control module. Common causes include Faulty left blind spot sensor, Damaged wiring or connectors leading to the sensor, Corrosion or debris obstructing the sensor's view. 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
U147E indicates Implausible Data Received From Left Blind Spot Sensor.
Common causes
Common causes include Faulty left blind spot sensor, Damaged wiring or connectors leading to the sensor, Corrosion or debris obstructing the sensor's view.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code U147E Description

The U147E code indicates that the vehicle's left blind spot sensor is sending implausible data to the vehicle's control module. Blind spot sensors are safety features designed to alert drivers of objects in their blind spots, helping to prevent accidents. When the sensor is not functioning correctly and sending inaccurate data, it can compromise the safety of the vehicle and its occupants.

OBDII Code U147E - Implausible Data Received From Left Blind Spot Sensor
U147E Code - Implausible Data Received From Left Blind Spot Sensor

Common Causes of U147E

  1. Faulty left blind spot sensor
  2. Damaged wiring or connectors leading to the sensor
  3. Corrosion or debris obstructing the sensor's view
  4. Issues with the control module receiving and interpreting data from the sensor
  5. Software glitches or calibration errors in the blind spot monitoring system

Symptoms of U147E

  1. False alerts from the blind spot monitoring system
  2. Inconsistent or intermittent operation of the left blind spot sensor
  3. No alerts from the sensor when there is an object in the blind spot
  4. Warning light on the dashboard indicating a blind spot sensor fault
  5. Difficulty changing lanes safely due to unreliable blind spot monitoring

How to Fix U147E

  1. Begin by visually inspecting the wiring and connections leading to the left blind spot sensor for any damage or corrosion. Repair or replace any damaged components.
  2. Test the functionality of the sensor by using a diagnostic tool to check for proper operation and data transmission. Replace the sensor if it is found to be faulty.
  3. Clear the error code from the vehicle's system using a diagnostic scanner to reset the system and see if the issue persists.
  4. If the problem continues, check the control module for any malfunctions or software issues. Update the software or replace the control module if necessary.
  5. After completing the repairs, conduct a road test to ensure that the left blind spot sensor is functioning correctly and providing accurate data to the vehicle's control module.

Cost to Fix U147E

The cost of repairing an issue with the left blind spot sensor can vary depending on the specific cause of the problem. On average, the cost of replacing a blind spot sensor can range from $200 to $500, including parts and labor. Additional costs may apply if wiring repairs or control module replacement are needed. It's important to note that labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to compare prices.

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Code U147E Information for Specific Makes

  • U147E Chrysler — Implausible Data Received From Left Blind Spot Sensor
  • U147E Dodge — Implausible Data Received From Left Blind Spot Sensor
  • U147E Jeep — Implausible Data Received From Left Blind Spot Sensor
  • U147E RAM — Implausible Data Received From Left Blind Spot Sensor
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about U147E Code

1. What are the common symptoms of OBDII code U147E?

- Common symptoms include the malfunction indicator light (MIL) illuminating, left blind spot monitoring system failure, and potential loss of left blind spot detection functionality.

2. What causes the OBDII code U147E to trigger?

- The code U147E is triggered when the vehicle's onboard diagnostic system detects implausible data received from the left blind spot sensor. This could be due to sensor malfunctions, wiring issues, or sensor alignment problems.

3. How can I diagnose the cause of OBDII code U147E?

- Diagnosing code U147E typically involves conducting a visual inspection of the left blind spot sensor and its wiring, checking for any physical damage or loose connections. Using a diagnostic scan tool to retrieve additional fault codes and sensor data can also help pinpoint the issue.

4. Is it safe to continue driving with OBDII code U147E present?

- While it may be safe to drive with the code U147E present, it is recommended to address the issue promptly to ensure proper functioning of the left blind spot monitoring system, which enhances overall vehicle safety.

5. Can I repair OBDII code U147E myself?

- Repairing code U147E may require specialized tools and expertise, especially when dealing with sensor calibration or wiring issues. It is recommended to consult a professional mechanic or dealership for proper diagnosis and repair.

6. How much does it typically cost to repair OBDII code U147E?

- The cost of repairing code U147E can vary depending on the underlying cause. Costs may include sensor replacement, wiring repairs, or sensor realignment, with labor costs adding to the total repair bill.

7. Will resetting the fault codes make OBDII code U147E disappear?

- Resetting the fault codes may temporarily clear the MIL, but if the root cause of code U147E is not addressed, the code is likely to reappear once the system detects the same issue again.

8. Can extreme weather conditions trigger OBDII code U147E?

- Extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially affect the functionality of the blind spot sensor and trigger code U147E. Ensuring the sensor is clean and properly positioned can help mitigate weather-related issues.

9. How important is it to fix OBDII code U147E?

- It is important to address code U147E promptly to ensure the proper operation of the left blind spot monitoring system, which plays a crucial role in enhancing driver awareness and overall vehicle safety.

10. Can a software update resolve OBDII code U147E?

- In some cases, a software update provided by the vehicle manufacturer may address issues related to code U147E by improving sensor calibration or data communication. Check with your dealership or mechanic for software update availability.

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