AutoCodes – Jeep – B18DE Jeep

B18DE Jeep Code - Power Liftgate Handle Switch Circuit Low

Quick Answer

The Power Liftgate Module monitors the Power Liftgate Handle Switch Circuit. Common causes include Faulty Power Liftgate Handle Switch, Power Liftgate Handle Switch harness is open or shorted, Power Liftgate Handle Switch circuit poor electrical connection. 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: B18DE Jeep indicates Power Liftgate Handle Switch Circuit Low.
Common causes: Common causes include Faulty Power Liftgate Handle Switch, Power Liftgate Handle Switch harness is open or shorted, Power Liftgate Handle Switch circuit poor electrical connection.
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 768

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 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B18DE Jeep Description

The Power Liftgate Module monitors the Power Liftgate Handle Switch Circuit. When the Power Liftgate Module senses a voltage of less than 2.0 volts on the Liftgate Handle Switch Sense circuit for longer than 20 seconds this code will set.

OBDII Code B18DE Jeep - Power Liftgate Handle Switch Circuit Low - AutoCodes.com — B18DE Jeep Code - Power Liftgate Handle Switch Circuit Low

What does this mean?

What are the Possible Causes of the DTC B18DE Jeep?

Faulty Power Liftgate Handle Switch
Power Liftgate Handle Switch harness is open or shorted
Power Liftgate Handle Switch circuit poor electrical connection
Faulty Power Liftgate Module

How to Fix the DTC B18DE Jeep?

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 B18DE Jeep 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.

Need more information about the B18DE Jeep code?

Need more information on how to fix the B18DE Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B18DE Jeep code diagnosed by a professional: Find a repair shop in your area

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 B18DE Jeep Code

1. What are the common symptoms of OBDII code B18DE in a Jeep related to the Power Liftgate Handle Switch Circuit Low?

- Common symptoms include the power liftgate not responding to switch commands, the liftgate handle switch not functioning, and possible warning lights on the dashboard.

2. What are some possible causes of the Power Liftgate Handle Switch Circuit Low code B18DE in a Jeep?

- Potential causes include a faulty liftgate handle switch, damaged wiring or connectors in the circuit, or a malfunctioning liftgate control module.

3. How can I diagnose the Power Liftgate Handle Switch Circuit Low issue in my Jeep?

- You can diagnose the issue using a diagnostic scanner to retrieve the OBDII code, visually inspecting the liftgate handle switch and wiring, and performing voltage tests on the circuit components.

4. Can I still manually open or close the liftgate if I encounter the B18DE code in my Jeep?

- Yes, you can usually manually open or close the liftgate using the key or by accessing the emergency release mechanism inside the vehicle.

5. Is it safe to continue driving my Jeep with the B18DE OBDII code related to the Power Liftgate Handle Switch Circuit Low?

- While it may be safe to drive, it is recommended to address the issue promptly to ensure proper functionality of the liftgate and related systems.

6. How can I reset the B18DE OBDII code in my Jeep after repairing the Power Liftgate Handle Switch Circuit Low issue?

- You can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the stored fault codes.

7. What are some repair tips for fixing the Power Liftgate Handle Switch Circuit Low problem in a Jeep?

- Repair tips include checking and repairing any damaged wiring or connectors, replacing the liftgate handle switch if faulty, and ensuring proper connection of the circuit components.

8. Will replacing the liftgate handle switch resolve the B18DE code issue in my Jeep?

- In many cases, replacing the faulty liftgate handle switch can resolve the Power Liftgate Handle Switch Circuit Low problem, but it's essential to diagnose the issue accurately before replacing any components.

9. Can extreme weather conditions or water exposure cause the B18DE code related to the Power Liftgate Handle Switch Circuit Low in a Jeep?

- Yes, extreme weather conditions or water exposure can lead to corrosion or damage in the liftgate handle switch circuit, triggering the OBDII code B18DE.

10. Is it recommended to seek professional help for diagnosing and repairing the B18DE code in my Jeep's Power Liftgate Handle Switch Circuit Low?

- If you are unsure about diagnosing or repairing the issue yourself, it is advisable to seek professional help from a certified mechanic or dealership to ensure accurate diagnosis and proper resolution of the problem.