AutoCodes – Dodge – B1979 Dodge

B1979 Dodge Code - Power Liftgate Latch Cinch Sector Switch Performance

Quick Answer

The sector switch is essentially a park switch for the latch. Common causes include Binding Power Liftgate, Faulty Sector Switch Sense, Sector Switch Sense harness is open or shorted. 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 Dodge indicates Power Liftgate Latch Cinch Sector Switch Performance.
Common causes: Common causes include Binding Power Liftgate, Faulty Sector Switch Sense, Sector Switch Sense harness is open or shorted.
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.

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Code Popularity 684

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 31, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1979 Dodge Description

The sector switch is essentially a park switch for the latch. When the latch is running a cinch or release operation, the switch is closed. After the cinch or release is complete, the PLGM will reverse direction of the latch until the switch is open.

OBDII Code B1979 Dodge - Power Liftgate Latch Cinch Sector Switch Performance - AutoCodes.com — B1979 Dodge Code - Power Liftgate Latch Cinch Sector Switch Performance

What does this mean?

What are the Possible Causes of the DTC B1979 Dodge?

Binding Power Liftgate
Faulty Sector Switch Sense
Sector Switch Sense harness is open or shorted
Sector Switch Sense circuit poor electrical connection
Faulty Power Liftgate Latch
Faulty Power Liftgate Module

How to Fix the DTC B1979 Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1979 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need Help with the Code?

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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 Dodge Code

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

- Common symptoms may include issues with the power liftgate not latching properly or failing to secure in the closed position.

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

- The code B1979 may indicate a malfunction in the cinch sector switch, which is responsible for controlling the latch mechanism of the power liftgate.

3. How can I troubleshoot the Power Liftgate Latch Cinch Sector Switch Performance issue in my Dodge?

- Start by checking the wiring harness and connectors associated with the cinch sector switch for any damage or loose connections. Also, inspect the switch itself for proper operation.

4. Is it safe to continue driving my Dodge with the OBDII code B1979 related to the Power Liftgate Latch Cinch Sector Switch Performance?

- It is not recommended to drive the vehicle with this issue unresolved, as it may pose a safety risk if the power liftgate fails to latch securely while driving.

5. Can I repair the Power Liftgate Latch Cinch Sector Switch issue in my Dodge myself?

- Depending on your mechanical skills, you may be able to replace the cinch sector switch yourself. However, it is recommended to consult a professional mechanic for proper diagnosis and repair.

6. How much does it typically cost to repair the Power Liftgate Latch Cinch Sector Switch issue in a Dodge?

- Repair costs can vary depending on the exact cause of the problem and whether you choose to replace the switch yourself or have it done by a professional. It's best to get a quote from a mechanic.

7. Are there any recalls or technical service bulletins related to the OBDII code B1979 in Dodge vehicles?

- It's advisable to check with your local Dodge dealership or visit the manufacturer's website to see if there are any recalls or technical service bulletins addressing this specific issue.

8. Can a faulty Power Liftgate Latch Cinch Sector Switch cause other problems in my Dodge?

- A malfunctioning cinch sector switch can potentially lead to issues with the power liftgate operation, affecting convenience and safety features of your vehicle.

9. Will resetting the OBDII code B1979 in my Dodge make the issue go away permanently?

- Resetting the code may temporarily remove the warning light, but if the underlying issue with the Power Liftgate Latch Cinch Sector Switch Performance is not addressed, the code is likely to reappear.

10. How important is it to fix the Power Liftgate Latch Cinch Sector Switch issue in my Dodge promptly?

- It is crucial to address any issues related to the power liftgate latch system promptly to ensure the safety and proper functionality of the vehicle.