AutoCodes – Ford – B2903 Ford

B2903 Ford Code - Power Liftgate Chime Output Circuit Short To Battery

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
B2903 Ford indicates Power Liftgate Chime Output Circuit Short To Battery.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,617
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 18, 2020
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Code B2903 Ford 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 the feedback voltage is greater than 3.3VDC for more than 500ms, chime activation is disabled and the LTM sets this Diagnostic Trouble Code (DTC).
OBDII Code B2903 Ford - Power Liftgate Chime Output Circuit Short To Battery - AutoCodes.com
B2903 Ford Code - Power Liftgate Chime Output Circuit Short To Battery

What are the Possible Causes of the DTC B2903 Ford?

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

How to Fix the DTC B2903 Ford?

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 B2903 Ford 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 B2903 Ford Code

1. What are common symptoms of OBDII code B2903 in a Ford related to the Power Liftgate Chime Output Circuit Short To Battery?

- Common symptoms include a non-functioning power liftgate, the chime not sounding when the liftgate is open, and potential issues with other electrical components related to the liftgate.

2. What are possible causes of the OBDII code B2903 in a Ford indicating a Power Liftgate Chime Output Circuit Short To Battery?

- Possible causes include a short circuit in the wiring harness, a malfunctioning liftgate control module, a faulty chime module, or a problem with the liftgate ajar switch.

3. How can I diagnose the Power Liftgate Chime Output Circuit Short To Battery issue in my Ford when OBDII code B2903 is triggered?

- You can start by visually inspecting the wiring harness for any visible damage, checking the liftgate control module for proper functioning, testing the chime module, and verifying the operation of the liftgate ajar switch.

4. Are there any simple repair tips to address the OBDII code B2903 related to the Power Liftgate Chime Output Circuit Short To Battery in a Ford?

- In some cases, repairing a damaged wire in the wiring harness, resetting the liftgate control module, or replacing a faulty chime module can resolve the issue.

5. Is it safe to continue driving my Ford with the OBDII code B2903 indicating a Power Liftgate Chime Output Circuit Short To Battery problem?

- It is generally not recommended to drive the vehicle with this issue, as it may lead to further electrical problems and potential safety hazards related to the liftgate operation.

6. Can I reset the OBDII code B2903 in my Ford without addressing the underlying Power Liftgate Chime Output Circuit Short To Battery problem?

- While you can clear the code using an OBDII scanner, it is important to diagnose and fix the root cause of the issue to prevent it from recurring and ensure proper functionality of the liftgate system.

7. How much can I expect to pay for professional repair of the OBDII code B2903 in a Ford due to the Power Liftgate Chime Output Circuit Short To Battery?

- The cost of repair can vary depending on the specific cause of the issue, but it may range from a simple wiring repair to replacement of components like the liftgate control module or chime module.

8. Are there any recalls or technical service bulletins related to the OBDII code B2903 for the Power Liftgate Chime Output Circuit Short To Battery in Ford vehicles?

- It is recommended to check with Ford dealerships or visit the manufacturer's website to see if there are any related recalls or technical service bulletins addressing this specific issue in your vehicle.

9. How can I prevent the recurrence of the OBDII code B2903 in my Ford after repairing the Power Liftgate Chime Output Circuit Short To Battery problem?

- To prevent the issue from happening again, ensure that any damaged wiring is properly repaired, components are functioning correctly, and regular maintenance checks are performed on the liftgate system.

10. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code B2903 related to the Power Liftgate Chime Output Circuit Short To Battery in a Ford?

- Depending on the specific cause of the issue, some DIY enthusiasts may be able to address the problem by following repair guides, but more complex issues may require professional diagnosis and repair.

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