AutoCodes – Dodge – B1674 Dodge

B1674 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 full open and closed positions. Common causes include Binding Liftgate, Faulty Secondary Position Sensor, Secondary Position Sensor 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: B1674 Dodge indicates Power Liftgate Close Direction Ratchet Secondary Switch Performance.
Common causes: Common causes include Binding Liftgate, Faulty Secondary Position Sensor, Secondary Position Sensor 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 1,145

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 Jun 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1674 Dodge Description

The Secondary Ratchet Switch must remain closed when the liftgate is fully open or between full open and closed positions. The switch will open when the liftgate is fully closed and latched. This switch indicates when the latch is in secondary position. It is open when in secondary or primary and closed when out of secondary. The OBDII code sets when the ratchet secondary switch is detected as open to early in the power close operation.

OBDII Code B1674 Dodge - Power Liftgate Close Direction Ratchet Secondary Switch Performance - AutoCodes.com — B1674 Dodge Code - Power Liftgate Close Direction Ratchet Secondary Switch Performance

What does this mean?

What are the Possible Causes of the DTC B1674 Dodge?

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

How to Fix the DTC B1674 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 B1674 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 B1674 Dodge Code

1. What does the OBDII code B1674 mean for a Dodge vehicle?

The B1674 code indicates a problem with the Power Liftgate Close Direction Ratchet Secondary Switch, which monitors the performance of the liftgate's closing mechanism.

2. What are the common symptoms of the B1674 code?

Symptoms include the liftgate not closing properly, intermittent operation, or the liftgate stopping halfway during the closing process.

3. What causes the B1674 code to appear?

Common causes include a faulty secondary switch, damaged wiring or connectors, misaligned liftgate components, or a malfunction in the liftgate control module.

4. Can I still drive my Dodge with the B1674 code active?

Yes, you can drive the vehicle, but the power liftgate may not function as intended, which could be inconvenient or pose a safety risk.

5. How do I diagnose the B1674 code?

Start by inspecting the wiring and connectors for damage, testing the secondary switch for proper operation, and scanning the liftgate control module for additional codes.

6. How is the B1674 code fixed?

Repairs may involve replacing the secondary switch, repairing damaged wiring or connectors, or recalibrating the liftgate system.

7. How much does it cost to repair the B1674 code?

Repair costs can range from $100 to $500, depending on whether the issue is with the switch, wiring, or control module.

8. Can a software update fix the B1674 code?

In some cases, a software update to the liftgate control module may resolve the issue if itâ€™s related to programming errors.

9. What tools are needed to repair the B1674 code?

Basic tools include a multimeter for electrical testing, a diagnostic scanner to verify the code, and possible specialty tools for liftgate component adjustments.

10. How can I prevent the B1674 code from reoccurring?

Regularly inspect and maintain the liftgate components, ensure proper alignment, and address any wiring issues promptly to avoid future faults.