Engine-CodesRAM – B1979 RAM

B1979 RAM Code - Power Liftgate Latch Cinch Sector Switch Performance

Quick Answer

The B1979 RAM code indicates a problem with the Power Liftgate Latch Cinch Sector Switch performance in a vehicle. Common causes include Faulty Power Liftgate Latch Cinch Sector Switch, Wiring issues or electrical connection problems, Mechanical issues with the power liftgate mechanism. 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
B1979 RAM indicates Power Liftgate Latch Cinch Sector Switch Performance.
Common causes
Common causes include Faulty Power Liftgate Latch Cinch Sector Switch, Wiring issues or electrical connection problems, Mechanical issues with the power liftgate mechanism.
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 16, 2024
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Code B1979 RAM Description

The B1979 RAM code indicates a problem with the Power Liftgate Latch Cinch Sector Switch performance in a vehicle. This switch is responsible for controlling the cinching action of the power liftgate latch, ensuring that it securely closes and locks the liftgate. When this switch malfunctions, it can lead to issues with the proper operation of the power liftgate, potentially causing safety concerns and inconvenience for the vehicle owner.

OBDII Code B1979 RAM - Power Liftgate Latch Cinch Sector Switch Performance
B1979 RAM Code - Power Liftgate Latch Cinch Sector Switch Performance

Common Causes of B1979 RAM

  1. Faulty Power Liftgate Latch Cinch Sector Switch.
  2. Wiring issues or electrical connection problems.
  3. Mechanical issues with the power liftgate mechanism.
  4. Software or programming issues related to the power liftgate system.

Symptoms of B1979 RAM

  1. Power liftgate fails to close or latch properly.
  2. Unusual noises coming from the power liftgate when operating.
  3. Power liftgate opens or closes intermittently.
  4. Warning light on the dashboard related to the power liftgate system.

How to Fix B1979 RAM

  1. Diagnose the exact cause of the issue by using a diagnostic scanner to retrieve the trouble codes and inspecting the power liftgate components.
  2. Replace the faulty Power Liftgate Latch Cinch Sector Switch with a new, OEM-quality switch.
  3. Check and repair any wiring or electrical connections related to the power liftgate system.
  4. Test the power liftgate system to ensure that the issue has been resolved and that the liftgate operates smoothly.
  5. Clear the trouble codes from the vehicle's computer system to reset the power liftgate system.

Cost to Fix B1979 RAM

The typical repair costs for addressing the B1979 RAM code related to the Power Liftgate Latch Cinch Sector Switch performance can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

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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 B1979 RAM Code

1. What are the common symptoms of OBDII code B1979 RAM?

- The common symptoms include issues with the power liftgate latch, difficulty opening or closing the liftgate, and a warning light illuminated on the dashboard.

2. What causes the OBDII code B1979 RAM related to Power Liftgate Latch Cinch Sector Switch Performance?

- The code is usually triggered by a malfunction in the cinch sector switch, which is responsible for monitoring and controlling the latch position in the power liftgate system.

3. How can I diagnose the Power Liftgate Latch Cinch Sector Switch issue associated with code B1979 RAM?

- Diagnosis typically involves using a scan tool to retrieve the specific trouble code, checking the wiring and connections related to the cinch sector switch, and testing the switch itself for proper operation.

4. Can a DIY enthusiast repair the Power Liftgate Latch Cinch Sector Switch issue causing OBDII code B1979 RAM?

- While some DIYers may attempt to replace the cinch sector switch themselves, it is recommended to consult a professional technician with experience in power liftgate systems for accurate diagnosis and repair.

5. Are there any quick fixes or temporary solutions for OBDII code B1979 RAM until the Power Liftgate Latch issue can be properly repaired?

- In some cases, resetting the vehicle's computer system by disconnecting the battery for a few minutes may temporarily clear the code, but it is not a permanent solution and the underlying issue should still be addressed.

6. How much does it typically cost to repair the Power Liftgate Latch Cinch Sector Switch issue associated with OBDII code B1979 RAM?

- The cost of repair can vary depending on the labor rates of the repair shop, the cost of the replacement parts, and any additional diagnostic work required. It is best to obtain quotes from several reputable shops.

7. Is it safe to continue driving with OBDII code B1979 RAM related to Power Liftgate Latch Cinch Sector Switch Performance?

- While the vehicle may still be operable with this code present, it is recommended to have the issue addressed promptly to prevent any further damage to the power liftgate system and ensure safe operation of the vehicle.

8. Will resetting the OBDII code B1979 RAM clear the underlying issue with the Power Liftgate Latch Cinch Sector Switch?

- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying problem with the cinch sector switch. Proper diagnosis and repair are necessary to resolve the issue.

9. Are there any recalls or technical service bulletins related to OBDII code B1979 RAM and the Power Liftgate Latch Cinch Sector Switch?

- It is recommended to check with the vehicle manufacturer or authorized dealerships for any recalls or technical service bulletins related to this specific OBDII code and power liftgate latch issues.

10. Can a faulty Power Liftgate Latch Cinch Sector Switch lead to other problems in the vehicle's electrical system?

- A malfunctioning cinch sector switch can potentially cause issues with the power liftgate operation, affecting convenience and safety features. It is essential to address this problem promptly to prevent any further complications in the electrical system.

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