Engine-CodesMercury – B1168 Mercury

B1168 Mercury Code - Left Power Running Board Motor Circuit Short To Ground

Quick Answer

The B1168 diagnostic trouble code (DTC) for Mercury vehicles indicates a problem with the left power running board motor circuit shorting to ground. Common causes include Damaged wiring or connectors in the left power running board motor circuit, Faulty power running board motor, Corrosion or moisture in the circuit causing a short to ground. 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
B1168 Mercury indicates Left Power Running Board Motor Circuit Short To Ground.
Common causes
Common causes include Damaged wiring or connectors in the left power running board motor circuit, Faulty power running board motor, Corrosion or moisture in the circuit causing a short to ground.
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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code B1168 Mercury Description

The B1168 diagnostic trouble code (DTC) for Mercury vehicles indicates a problem with the left power running board motor circuit shorting to ground. Power running boards are a convenient feature that automatically extend and retract when the vehicle doors are opened and closed, providing easier access to the cabin. The power running board motor is responsible for controlling the movement of the running board.

OBDII Code B1168 Mercury - Left Power Running Board Motor Circuit Short To Ground
B1168 Mercury Code - Left Power Running Board Motor Circuit Short To Ground

Common Causes of B1168 Mercury

  1. Damaged wiring or connectors in the left power running board motor circuit.
  2. Faulty power running board motor.
  3. Corrosion or moisture in the circuit causing a short to ground.
  4. Electrical issues in the vehicle's wiring system.
  5. Impact or physical damage to the power running board causing a short circuit.

Symptoms of B1168 Mercury

  1. Power running board not extending or retracting properly.
  2. Unusual noises coming from the power running board motor.
  3. Power running board getting stuck in one position.
  4. Warning light on the dashboard indicating a power running board malfunction.

How to Fix B1168 Mercury

  1. Begin by inspecting the wiring and connectors in the left power running board motor circuit for any visible damage or corrosion.
  2. Test the power running board motor to determine if it is functioning correctly or needs replacement.
  3. Check for any loose connections or shorts in the circuit that may be causing the issue.
  4. Repair or replace any damaged wiring or connectors in the circuit.
  5. Clear the DTC from the vehicle's computer system and test the power running board to ensure it is operating properly.

Cost to Fix B1168 Mercury

The cost of repairing a left power running board motor circuit short to ground can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. It is important to note that diagnostic time and labor rates at auto repair shops can vary, so it is recommended to obtain a detailed estimate from a qualified mechanic before proceeding with the repair.

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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 B1168 Mercury Code

1. What are common symptoms of OBDII code B1168 on a Mercury related to the left power running board motor circuit short to ground?

The common symptoms include the power running board not deploying or retracting properly, an illuminated warning light on the dashboard, and potential issues with the vehicle's electrical system.

2. What are the possible causes of OBDII code B1168 on a Mercury indicating a left power running board motor circuit short to ground?

Possible causes include damaged wiring or connectors in the power running board motor circuit, a faulty power running board motor, or a short to ground in the circuit.

3. How can I diagnose the OBDII code B1168 on a Mercury for a left power running board motor circuit short to ground?

Diagnosis typically involves using a digital multimeter to test the continuity and voltage in the power running board motor circuit, inspecting wiring and connectors for damage, and checking for any shorts to ground.

4. Can I drive my Mercury with the OBDII code B1168 indicating a left power running board motor circuit short to ground?

It is not recommended to drive the vehicle with this code unresolved, as it may affect the proper operation of the power running board and potentially lead to further electrical issues.

5. What are some repair tips for fixing OBDII code B1168 on a Mercury linked to a left power running board motor circuit short to ground?

Repair tips may include repairing or replacing damaged wiring or connectors, testing and potentially replacing the power running board motor, and ensuring proper grounding in the circuit.

6. Is it possible to reset the OBDII code B1168 on a Mercury after repairing the left power running board motor circuit short to ground issue?

After the repair is completed, the code can be cleared using an OBDII scanner to reset the vehicle's system and turn off the warning light on the dashboard.

7. How critical is it to address OBDII code B1168 on a Mercury for a left power running board motor circuit short to ground promptly?

It is important to address this code promptly to ensure the proper functioning of the power running board, prevent further electrical issues, and maintain the overall safety and performance of the vehicle.

8. Are there any common related codes that may accompany OBDII code B1168 on a Mercury with a left power running board motor circuit short to ground?

Other related codes that may accompany B1168 include codes related to power running board motor circuit malfunctions, communication errors, or power supply issues.

9. Can extreme weather conditions or environmental factors contribute to triggering OBDII code B1168 on a Mercury for a left power running board motor circuit short to ground?

Extreme weather conditions or environmental factors such as water exposure or corrosion can potentially contribute to wiring damage or shorts in the power running board motor circuit, leading to the triggering of this code.

10. Is it possible to prevent OBDII code B1168 on a Mercury related to a left power running board motor circuit short to ground from recurring in the future?

Regular inspection and maintenance of the power running board system, including checking for wiring damage, ensuring proper connections, and addressing any issues promptly, can help prevent the recurrence of this code in the future.

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