Engine-CodesChrysler – B1979 Chrysler

B1979 Chrysler Code - Power Liftgate Latch Cinch Sector Switch Performance

Quick Answer

The B1979 Chrysler code refers to a Power Liftgate Latch Cinch Sector Switch Performance issue. Common causes include Faulty cinch sector switch, Wiring or electrical connection issues, Mechanical obstruction in the liftgate latch 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 Chrysler indicates Power Liftgate Latch Cinch Sector Switch Performance.
Common causes
Common causes include Faulty cinch sector switch, Wiring or electrical connection issues, Mechanical obstruction in the liftgate latch 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 17, 2024
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Code B1979 Chrysler Description

The B1979 Chrysler code refers to a Power Liftgate Latch Cinch Sector Switch Performance issue. This code indicates that there is a problem with the performance of the cinch sector switch in the power liftgate latch system. The power liftgate latch cinch sector switch is responsible for ensuring that the liftgate latches securely and remains closed while the vehicle is in motion. 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 Chrysler - Power Liftgate Latch Cinch Sector Switch Performance
B1979 Chrysler Code - Power Liftgate Latch Cinch Sector Switch Performance

Common Causes of B1979 Chrysler

  1. Faulty cinch sector switch.
  2. Wiring or electrical connection issues.
  3. Mechanical obstruction in the liftgate latch mechanism.
  4. Sensor malfunction in the power liftgate system.
  5. Corrosion or damage to components in the power liftgate system.

Symptoms of B1979 Chrysler

  1. Power liftgate fails to latch securely.
  2. Power liftgate opens unexpectedly while driving.
  3. Warning light on the dashboard indicating liftgate issue.
  4. Audible clicking or grinding noise when operating the power liftgate.

How to Fix B1979 Chrysler

  1. Diagnose the issue by using a scan tool to retrieve the specific fault code and inspecting the power liftgate system for any visible damage or malfunctions.
  2. Test the cinch sector switch for proper functionality and replace if necessary.
  3. Check and repair any wiring or electrical connections related to the power liftgate system.
  4. Inspect the liftgate latch mechanism for obstructions or damage, and repair or replace components as needed.
  5. Clear the fault code from the vehicle's computer system and test the power liftgate to ensure proper operation.

Cost to Fix B1979 Chrysler

The typical repair costs for addressing a Power Liftgate Latch Cinch Sector Switch Performance issue can range from $200 to $500, depending on the extent of the repairs needed and the cost of parts. This estimate includes the cost of the cinch sector switch, any necessary wiring repairs, and labor charges. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your specific vehicle make and model.

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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 Chrysler Code

1. What are the common symptoms of OBDII code B1979 in a Chrysler related to the Power Liftgate Latch Cinch Sector Switch Performance?

The common symptoms include intermittent issues with the power liftgate latch, difficulty opening or closing the liftgate, and warning lights on the dashboard.

2. What could be causing OBDII code B1979 in a Chrysler related to the Power Liftgate Latch Cinch Sector Switch Performance?

The code B1979 typically indicates a malfunction in the power liftgate latch cinch sector switch, which could be caused by wiring issues, a faulty switch, or problems with the liftgate mechanism.

3. How can I diagnose the Power Liftgate Latch Cinch Sector Switch Performance issue causing OBDII code B1979 in my Chrysler?

To diagnose the issue, you can use a diagnostic scanner to retrieve the specific fault code, visually inspect the wiring and connectors, and test the functionality of the liftgate latch and switch.

4. Can I continue driving my Chrysler with OBDII code B1979 related to the Power Liftgate Latch Cinch Sector Switch Performance?

It is not recommended to continue driving the vehicle with this code unresolved, as it may lead to further issues with the power liftgate operation and potentially compromise safety.

5. What are some repair tips for fixing OBDII code B1979 in a Chrysler related to the Power Liftgate Latch Cinch Sector Switch Performance?

Repair tips include checking and repairing any damaged wiring, replacing the faulty cinch sector switch if necessary, and ensuring proper alignment and operation of the liftgate components.

6. Is it possible to reset OBDII code B1979 in a Chrysler related to the Power Liftgate Latch Cinch Sector Switch Performance without fixing the underlying issue?

While you can clear the code temporarily, it is crucial to address the root cause of the problem to prevent the code from reoccurring and ensure the proper functioning of the power liftgate.

7. How much does it typically cost to repair OBDII code B1979 in a Chrysler related to the Power Liftgate Latch Cinch Sector Switch Performance?

The cost of repair can vary depending on the extent of the issue, parts needed, and labor rates. It is advisable to consult a professional mechanic for an accurate estimate.

8. Can extreme weather conditions affect the occurrence of OBDII code B1979 in a Chrysler related to the Power Liftgate Latch Cinch Sector Switch Performance?

Extreme weather conditions such as extreme cold or heat can potentially exacerbate existing issues with the power liftgate latch and switch, leading to the triggering of the B1979 fault code.

9. Are there any recalls or technical service bulletins related to OBDII code B1979 in a Chrysler related to the Power Liftgate Latch Cinch Sector Switch Performance?

It is advisable to check with a Chrysler dealership or visit the NHTSA website to see if there are any relevant recalls or technical service bulletins addressing the B1979 fault code in your specific vehicle model.

10. Can regular maintenance prevent OBDII code B1979 related to the Power Liftgate Latch Cinch Sector Switch Performance in my Chrysler?

Regular maintenance, such as inspecting and lubricating the liftgate components, checking the wiring for wear, and addressing any issues promptly, can help prevent the occurrence of the B1979 fault code and ensure smooth operation of the power liftgate.

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