AutoCodes – Generic – B236A

B236A Code - Power Liftgate Chime Output Circuit Open

Quick Answer

The Power Liftgate Chime is controlled by the Liftgate/Trunk Module (LTM). Common causes include Faulty Chime, Chime harness is open or shorted, Chime 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: B236A indicates Power Liftgate Chime Output Circuit Open.
Common causes: Common causes include Faulty Chime, Chime harness is open or shorted, Chime 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 1,984

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 Nov 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B236A Description

The Power Liftgate Chime is controlled by the Liftgate/Trunk Module (LTM). To activate the chime, the LTM supplies a high frequency voltage and ground. If chime output is 0.4VDC less than chime output feedback and voltage is greater than 3.5V, the chime will not be activated and the LTM sets this Diagnostic Trouble Code (DTC).

OBDII Code B236A - Power Liftgate Chime Output Circuit Open - AutoCodes.com — B236A Code - Power Liftgate Chime Output Circuit Open

What does this mean?

What are the Possible Causes of the DTC B236A?

Faulty Chime
Chime harness is open or shorted
Chime circuit poor electrical connection
Faulty Liftgate/Trunk Module (LTM)

How to Fix the DTC B236A?

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 B236A 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 B236A code?

Need more information on how to fix the B236A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B236A code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B236A Ford — Power Liftgate Chime Output Circuit Open
B236A Lincoln — Power Liftgate Chime Output Circuit Open
B236A Mercury — Power Liftgate Chime Output Circuit Open

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 B236A Code

1. What are common symptoms of OBDII code B236A (Power Liftgate Chime Output Circuit Open)?

- Common symptoms include the power liftgate not operating properly, the chime not sounding when the liftgate is opened or closed, and a dashboard warning light being illuminated.

2. What can cause the OBDII code B236A to trigger?

- The code B236A is typically triggered by a break or open circuit in the power liftgate chime output circuit, often due to damaged wiring or a faulty chime module.

3. How can I diagnose the Power Liftgate Chime Output Circuit Open issue?

- Diagnosing the issue involves using a scan tool to read the OBDII code B236A, checking the wiring and connections related to the power liftgate chime output circuit, and testing the chime module for proper functionality.

4. Can I still use my power liftgate if the OBDII code B236A is present?

- While it may be possible to manually open and close the power liftgate, it is recommended to address the issue causing the code B236A to ensure the liftgate operates correctly and safely.

5. Are there any temporary fixes for the Power Liftgate Chime Output Circuit Open problem?

- Temporary fixes like resetting the vehicle's computer system may temporarily clear the code, but it's essential to address the underlying issue to prevent further problems.

6. Is it safe to drive with the OBDII code B236A active?

- It is generally safe to drive with the code B236A, but it is advisable to address the issue promptly to avoid potential safety hazards or further damage to the vehicle's electrical system.

7. Can I repair the Power Liftgate Chime Output Circuit Open issue myself?

- Depending on your experience with automotive electrical systems, you may be able to repair the issue yourself by inspecting and repairing damaged wiring or replacing the faulty chime module.

8. How much does it cost to fix the OBDII code B236A?

- The cost of fixing the code B236A can vary depending on the cause of the issue, parts needed for repair, and whether you choose to do the repair yourself or take it to a mechanic. Costs can range from relatively inexpensive for DIY repairs to more expensive for professional assistance.

9. Will resetting the OBDII codes make the B236A code go away?

- Resetting the OBDII codes may temporarily clear the B236A code, but if the underlying issue causing the Power Liftgate Chime Output Circuit Open problem is not addressed, the code is likely to return.

10. How long does it typically take to repair the Power Liftgate Chime Output Circuit Open issue?

- The repair time for the B236A code can vary depending on the complexity of the issue and your experience with automotive repairs. Simple fixes like reconnecting loose wiring may take a short time, while more extensive repairs could take longer, potentially requiring professional assistance.