AutoCodes – Dodge – B1974 Dodge

B1974 Dodge Code - Power Liftgate Close Direction Ratchet Secondary Switch Performance

Quick Answer

The Secondary Ratchet Switch must remain closed when the liftgate is fully open or between fully open and closed positions. Common causes include Binding Power Liftgate, Faulty Latch Secondary Position Sense, Latch Secondary Position 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: B1974 Dodge indicates Power Liftgate Close Direction Ratchet Secondary Switch Performance.
Common causes: Common causes include Binding Power Liftgate, Faulty Latch Secondary Position Sense, Latch Secondary Position 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 821

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 B1974 Dodge Description

The Secondary Ratchet Switch must remain closed when the liftgate is fully open or between fully open and closed positions. The switch will open when the liftgate is fully closed and latched. This switch indicates when the latch is in the secondary position. It is open when in secondary or primary positions and closed when out of secondary.

OBDII Code B1974 Dodge - Power Liftgate Close Direction Ratchet Secondary Switch Performance - AutoCodes.com — B1974 Dodge Code - Power Liftgate Close Direction Ratchet Secondary Switch Performance

What does this mean?

What are the Possible Causes of the DTC B1974 Dodge?

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

How to Fix the DTC B1974 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 B1974 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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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 B1974 Dodge Code

1. What does the OBDII code B1974 indicate on a Dodge vehicle?

The B1974 code indicates that there is an issue with the power liftgate close direction ratchet secondary switch, specifically related to its performance or operation.

2. What are common symptoms of the B1974 error code in a Dodge?

Common symptoms include the power liftgate failing to close properly, unusual noises when the liftgate is closing, or the liftgate reversing direction unexpectedly.

3. What causes the B1974 code to be triggered in a Dodge?

This code is usually triggered by a faulty power liftgate close direction ratchet secondary switch, wiring issues related to the switch, or problems with the power liftgate motor or its control module.

4. How can I diagnose the B1974 code on my Dodge?

Diagnosis involves using a scan tool to confirm the code, visually inspecting the switch and associated wiring for damage or disconnections, and testing the switch's functionality with a multimeter.

5. What are the steps to fix the B1974 code on a Dodge?

Repair steps may include replacing the faulty switch, repairing or replacing damaged wiring, or recalibrating the power liftgate system to ensure proper operation.

6. Is it safe to drive my Dodge with the B1974 code active?

While you may still be able to drive your vehicle, the functionality of the power liftgate may be impaired. It is advisable to address the issue promptly to ensure convenience and safety, especially if the liftgate does not secure properly.

7. Can ignoring the B1974 code lead to other problems in a Dodge?

Yes, ignoring this issue can lead to further damage in the power liftgate mechanism, potentially increasing the cost of repairs and compromising the security and functionality of the liftgate.

8. How urgent is it to repair a Dodge when the B1974 code is present?

It is moderately urgent to repair this issue, mainly to restore the full functionality and safety features of your vehicleâ€™s power liftgate system.

9. What tools are required to diagnose and repair the B1974 code in a Dodge?

Tools needed may include a professional OBDII scanner, a multimeter for electrical testing, and basic hand tools for accessing and replacing the switch.