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Engine-Codes – Generic – B142E

B142E Code - Forward Looking Sensor Horizontal Alignment Alignment or Adjustment Incorrect

Quick Answer

The B142E diagnostic trouble code indicates that the forward-looking sensor's horizontal alignment alignment or adjustment is incorrect. Common causes include Improper sensor installation or mounting, Sensor calibration issues, Damage to the sensor due to debris or impact. 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
B142E indicates Forward Looking Sensor Horizontal Alignment Alignment or Adjustment Incorrect.
Common causes
Common causes include Improper sensor installation or mounting, Sensor calibration issues, Damage to the sensor due to debris or impact.
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 Aug 19, 2024
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Code B142E Description

The B142E diagnostic trouble code indicates that the forward-looking sensor's horizontal alignment alignment or adjustment is incorrect. The forward-looking sensor is a crucial component of the vehicle's advanced driver assistance systems (ADAS), such as lane departure warning, adaptive cruise control, and automatic emergency braking. When the sensor's alignment is off, it can lead to inaccurate readings and potentially compromise the effectiveness of these safety features. This issue can affect the vehicle's performance by causing false alerts, erratic behavior of the ADAS systems, or even a complete failure of the systems.

OBDII Code B142E - Forward Looking Sensor Horizontal Alignment Alignment or Adjustment Incorrect
B142E Code - Forward Looking Sensor Horizontal Alignment Alignment or Adjustment Incorrect

Common Causes of B142E

  1. Improper sensor installation or mounting
  2. Sensor calibration issues
  3. Damage to the sensor due to debris or impact
  4. Electrical connection problems
  5. Software glitches or updates needed for the sensor

Symptoms of B142E

  1. Malfunction of lane departure warning system
  2. Inaccurate adaptive cruise control behavior
  3. Erratic automatic emergency braking activation
  4. Warning lights related to ADAS systems on the dashboard
  5. Reduced overall performance of ADAS features

How to Fix B142E

  1. Inspect the sensor mounting and alignment for any issues.
  2. Check and adjust the sensor calibration as per manufacturer specifications.
  3. Repair or replace any damaged components of the sensor.
  4. Ensure proper electrical connections and wiring.
  5. Perform a software update or reprogramming of the sensor system.

Cost to Fix B142E

The cost of repairing a B142E code can vary depending on the extent of the issue and the specific vehicle make and model. Typically, the repair costs for this type of problem can range from $200 to $500, including both parts and labor. It's essential to consider the specific diagnostic time and labor rates at auto repair shops in your area, as they can impact the overall repair expenses.

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Code B142E Information for Specific Makes

  • B142E Ford — Forward Looking Sensor Horizontal Alignment Alignment or Adjustment Incorrect
  • B142E Lincoln — Forward Looking Sensor Horizontal Alignment Alignment or Adjustment Incorrect
  • B142E Mercury — Forward Looking Sensor Horizontal Alignment Alignment or Adjustment Incorrect
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 B142E Code

1. What are the common symptoms of OBDII code B142E?

The common symptoms of OBDII code B142E include issues with the forward-looking sensor's horizontal alignment or adjustment, leading to inaccurate readings for advanced driver assistance systems (ADAS) like lane departure warning.

2. What causes the Forward Looking Sensor Horizontal Alignment Alignment or Adjustment Incorrect code B142E?

This code is typically caused by improper calibration, misalignment, or physical damage to the forward-looking sensor, which can occur due to accidents, rough handling, or improper installation.

3. How can I diagnose OBDII code B142E?

Diagnosing code B142E involves using a diagnostic scan tool to retrieve the code, inspecting the forward-looking sensor for any visible damage or misalignment, and performing calibration tests to ensure proper alignment.

4. Can I drive my vehicle with OBDII code B142E?

It is not recommended to drive your vehicle with code B142E present, as it can affect the functionality of important safety features like lane departure warning and compromise overall driving safety.

5. How can I repair OBDII code B142E?

Repairing code B142E may involve recalibrating or realigning the forward-looking sensor to correct the horizontal alignment issue. In some cases, replacing the sensor may be necessary if it is damaged beyond repair.

6. Will resetting the OBDII code B142E make it go away permanently?

Resetting the code may temporarily clear the error, but if the underlying issue with the forward-looking sensor's alignment or adjustment is not addressed, the code is likely to reappear.

7. Can I fix OBDII code B142E myself, or do I need a professional?

While some basic inspections and recalibrations can be done by DIY enthusiasts, correcting the alignment or adjustment issue related to code B142E may require specialized tools and expertise, making it advisable to seek professional help.

8. How much does it cost to repair OBDII code B142E?

The cost of repairing code B142E can vary depending on the extent of the damage or misalignment to the forward-looking sensor, as well as the labor rates of the repair facility. It is recommended to obtain quotes from different professionals for accurate pricing.

9. Are there any preventive measures to avoid OBDII code B142E from occurring?

To prevent code B142E, ensure that the forward-looking sensor is installed correctly, avoid rough handling or impacts that could misalign the sensor, and schedule regular maintenance checks to catch any alignment issues early.

10. Can OBDII code B142E affect other vehicle systems?

While code B142E specifically pertains to the forward-looking sensor's horizontal alignment or adjustment, it can impact the functionality of related ADAS features and, by extension, affect the overall performance and safety of the vehicle.

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