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Engine-Codes – RAM – B1987 RAM

B1987 RAM Code - Left Power Sliding Door Switch Stuck

Quick Answer

The B1987 RAM code indicates that the left power sliding door switch in the vehicle is stuck. Common causes include Dirt or debris obstructing the movement of the switch, Wear and tear on the switch mechanism, Electrical issues such as a faulty wiring connection. 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
B1987 RAM indicates Left Power Sliding Door Switch Stuck.
Common causes
Common causes include Dirt or debris obstructing the movement of the switch, Wear and tear on the switch mechanism, Electrical issues such as a faulty wiring connection.
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 06, 2024
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Code B1987 RAM Description

The B1987 RAM code indicates that the left power sliding door switch in the vehicle is stuck. This issue can impact the functionality of the power sliding door system, making it difficult or impossible to properly open or close the door using the switch. The power sliding door switch is an essential component that allows the driver or passengers to control the movement of the sliding door with ease.

OBDII Code B1987 RAM - Left Power Sliding Door Switch Stuck
B1987 RAM Code - Left Power Sliding Door Switch Stuck

Common Causes of B1987 RAM

  1. Dirt or debris obstructing the movement of the switch.
  2. Wear and tear on the switch mechanism.
  3. Electrical issues such as a faulty wiring connection.
  4. Water damage causing corrosion in the switch components.
  5. Impact or physical damage to the switch.

Symptoms of B1987 RAM

  1. Inability to open or close the left power sliding door using the switch.
  2. Unresponsive or intermittent functioning of the power sliding door switch.
  3. Strange noises or resistance when trying to operate the door.
  4. Dashboard warning light indicating a problem with the power sliding door system.

How to Fix B1987 RAM

  1. Inspect the power sliding door switch to determine the cause of the sticking.
  2. Clean the switch and surrounding area to remove any dirt or debris.
  3. Test the electrical connections to ensure they are functioning properly.
  4. Replace the power sliding door switch if cleaning and testing do not resolve the issue.
  5. Reassemble the door panel and test the door to ensure proper operation.

Cost to Fix B1987 RAM

The typical repair costs for addressing a stuck left power sliding door switch can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair for this issue can range from $100 to $300, including parts and labor. However, it's important to note that prices can vary based on the location, make and model of the vehicle, and the shop where the repair is performed. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate for this 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 B1987 RAM Code

1. What does the OBDII code B1987 in a RAM vehicle mean?

The B1987 code indicates that the Left Power Sliding Door Switch is stuck or not functioning properly, often due to mechanical or electrical failure.

2. What are the symptoms of the B1987 code?

Common symptoms include the left power sliding door not opening or closing, erratic door operation, or no response when using the door switch.

3. What causes the B1987 code to appear?

The main causes are a faulty left power sliding door switch, damaged wiring or connections, or a malfunctioning door control module.

4. How can I diagnose the B1987 code?

Check the door switch for physical damage, inspect the wiring for corrosion or disconnection, and use a diagnostic scanner to confirm the root cause.

5. Can I still drive my vehicle with the B1987 code active?

Yes, the vehicle can still be driven, but the left power sliding door may not function correctly, which could be inconvenient or a safety concern.

6. How do I fix the B1987 code on my RAM vehicle?

Repairs may involve replacing the faulty door switch, repairing damaged wiring, or resetting the door control module.

7. How much does it cost to fix the B1987 code?

The repair cost depends on the root cause but typically ranges from $50 to $200 for parts and labor, depending on the repair shop and the specific issue.

8. Can a stuck sliding door switch cause other issues?

Yes, it may lead to battery drain if the system continuously tries to operate the door or other electrical malfunctions in the door system.

9. Will resetting the ECU clear the B1987 code?

Resetting the ECU may temporarily clear the code, but it will return if the underlying issue is not resolved.

10. Can I fix the B1987 code myself?

If you have basic automotive repair knowledge, you may be able to fix simple issues like replacing the switch or checking wiring. Complex repairs may require professional assistance.

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