AutoCodes – Chrysler – B18DE Chrysler

B18DE Chrysler 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 Chrysler 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 719
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 26, 2019
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Code B18DE Chrysler 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 Chrysler - Power Liftgate Handle Switch Circuit Low - AutoCodes.com
B18DE Chrysler Code - Power Liftgate Handle Switch Circuit Low

What are the Possible Causes of the DTC B18DE Chrysler?

  • 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 Chrysler?

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 Chrysler 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 Chrysler code?

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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 B18DE Chrysler Code

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

- Common symptoms include malfunctioning power liftgate operation, difficulty opening or closing the liftgate, and the liftgate not responding to switch commands.

2. What are the possible causes of the Power Liftgate Handle Switch Circuit Low code in a Chrysler vehicle?

- Possible causes may include a faulty liftgate handle switch, damaged wiring or connectors in the circuit, a defective liftgate control module, or a software issue.

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

- Diagnose the issue by checking the liftgate handle switch for proper operation, inspecting the wiring and connectors for damage, and using a scan tool to retrieve the specific fault codes.

4. Can I repair the Power Liftgate Handle Switch Circuit Low problem in my Chrysler at home?

- Depending on the cause, you may be able to repair the issue at home by replacing the faulty liftgate handle switch, repairing damaged wiring or connectors, or resetting the liftgate control module.

5. Is it safe to continue driving my Chrysler with the Power Liftgate Handle Switch Circuit Low code present?

- It is generally safe to drive your vehicle with this code, but you may experience issues with the power liftgate operation. It is recommended to address the problem as soon as possible to avoid inconvenience.

6. How much does it typically cost to repair the Power Liftgate Handle Switch Circuit Low issue in a Chrysler?

- The cost of repair can vary depending on the specific cause of the problem, but it may range from a few hundred to a thousand dollars, including parts and labor.

7. Can I reset the OBDII code B18DE in my Chrysler Power Liftgate Handle Switch Circuit Low without fixing the underlying issue?

- Resetting the code without addressing the root cause will only temporarily clear the warning light. The issue will persist, and the code may return if the problem is not resolved.

8. Are there any preventive maintenance tips to avoid encountering the Power Liftgate Handle Switch Circuit Low code in my Chrysler?

- Regularly inspecting the liftgate handle switch, checking the wiring for damage, and addressing any liftgate operation issues promptly can help prevent this code from appearing.

9. Will disconnecting the battery reset the Power Liftgate Handle Switch Circuit Low code in my Chrysler?

- Disconnecting the battery may reset the code temporarily, but if the underlying issue is not fixed, the code is likely to reappear once the system detects the fault again.

10. Can a professional mechanic help diagnose and repair the Power Liftgate Handle Switch Circuit Low problem in my Chrysler?

- Yes, a skilled mechanic with experience in Chrysler vehicles can diagnose the issue using specialized tools and knowledge, and perform the necessary repairs to fix the Power Liftgate Handle Switch Circuit Low code.

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