AutoCodes – Generic – B2229

B2229 Code - Power Back Door Unit Motor Right Circuit

Quick Answer

The Power Back Door system enables the back door to be opened and closed automatically by a motor in accordance with signals from the back door control switch or the power back door button on an electrical key transmitter sub-assembly or door control transmitter. Common causes include Faulty Power Back Door (PBD) Unit Assembly Right (RH), Power Back Door Unit Assembly Right harness is open or shorted, Power Back Door Unit Assembly Right 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
B2229 indicates Power Back Door Unit Motor Right Circuit.
Common causes
Common causes include Faulty Power Back Door (PBD) Unit Assembly Right (RH), Power Back Door Unit Assembly Right harness is open or shorted, Power Back Door Unit Assembly Right 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 6,511
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 09, 2022
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Code B2229 Description

The Power Back Door system enables the back door to be opened and closed automatically by a motor in accordance with signals from the back door control switch or the power back door button on an electrical key transmitter sub-assembly or door control transmitter. In addition, a door control switch assembly has been provided on the back door for convenience.
This Diagnostic Trouble Code (DTC) is output when the Multiplex Network Door ECU detects a Power Back Door (PBD) Unit Assembly set Right (RH) Motor malfunction.
OBDII Code B2229 - Power Back Door Unit Motor Right Circuit - AutoCodes.com
B2229 Code - Power Back Door Unit Motor Right Circuit

What are the Possible Causes of the DTC B2229?

  • Faulty Power Back Door (PBD) Unit Assembly Right (RH)
  • Power Back Door Unit Assembly Right harness is open or shorted
  • Power Back Door Unit Assembly Right circuit poor electrical connection
  • Faulty Multiplex Network Door ECU

How to Fix the DTC B2229?

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 B2229 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 B2229 code?

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Need Help with the Code?

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Information for Specific Makes

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 B2229 Code

1. What are common symptoms of OBDII code B2229 (Power Back Door Unit Motor Right Circuit)?

- Common symptoms include the power back door not operating properly, failure of the right side motor to function, and warning lights on the dashboard.

2. What are possible causes of OBDII code B2229?

- Potential causes include a faulty power back door unit motor on the right side, damaged wiring or connectors, or a malfunction in the control module.

3. How can I diagnose OBDII code B2229?

- Diagnosing this code involves using a professional OBDII scanner to retrieve the code and then inspecting the power back door system, motor, wiring, and connectors for any issues.

4. Can I drive my vehicle with OBDII code B2229?

- It is not recommended to drive your vehicle with this code as it can affect the proper operation of the power back door, posing a safety risk and potentially causing further damage.

5. What are the repair options for OBDII code B2229?

- Repair options include replacing the faulty power back door unit motor on the right side, repairing any damaged wiring or connectors, and resetting the control module.

6. How much does it cost to fix OBDII code B2229?

- The cost of fixing this code can vary depending on the extent of the issue and the specific repairs needed. It is recommended to consult a professional mechanic for an accurate estimate.

7. Can OBDII code B2229 be reset without repairs?

- While the code can be cleared using an OBDII scanner, it is important to address the underlying issue causing the code to prevent it from recurring.

8. Is OBDII code B2229 a common issue in certain vehicle makes and models?

- This code may be more common in vehicles equipped with power back door systems, particularly in certain models where the right side motor is prone to failure.

9. What are some preventive maintenance tips to avoid OBDII code B2229?

- Regularly inspecting the power back door system, keeping it well-lubricated, and addressing any issues promptly can help prevent the occurrence of this code.

10. Can OBDII code B2229 cause other problems in the vehicle?

- If left unaddressed, OBDII code B2229 can lead to further issues with the power back door system, affecting convenience and safety features in the vehicle.

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