AutoCodes – Generic – B2028

B2028 Code - Left Power Sliding Door Remote Control Switch 2 Signal Error

Quick Answer

The Power Sliding Door Control Unit receives inputs from the switches and sensors in the sliding door system and from B-CAN. Common causes include Faulty Left Power Sliding Door Remote Control Switch 2, Left Power Sliding Door Remote Control Switch 2 harness is open or shorted, Left Power Sliding Door Remote Control Switch 2 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
B2028 indicates Left Power Sliding Door Remote Control Switch 2 Signal Error.
Common causes
Common causes include Faulty Left Power Sliding Door Remote Control Switch 2, Left Power Sliding Door Remote Control Switch 2 harness is open or shorted, Left Power Sliding Door Remote Control Switch 2 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 1,027
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 06, 2019
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Code B2028 Description

The Power Sliding Door Control Unit receives inputs from the switches and sensors in the sliding door system and from B-CAN. It outputs to the slide motor, release actuator, and closer motor to control the movement of the doors. It also controls the sliding door beeper and indicator. There is one rocker switch for each door. Each switch signals its respective power sliding door control unit that the driver wants to open or close that door. The OBDII code sets when the Left Power Sliding Door Control Unit detects a Left Power Sliding Door Remote Control Switch 2 Signal Error.
OBDII Code B2028 - Left Power Sliding Door Remote Control Switch 2 Signal Error - AutoCodes.com
B2028 Code - Left Power Sliding Door Remote Control Switch 2 Signal Error

What are the Possible Causes of the DTC B2028?

  • Faulty Left Power Sliding Door Remote Control Switch 2
  • Left Power Sliding Door Remote Control Switch 2 harness is open or shorted
  • Left Power Sliding Door Remote Control Switch 2 circuit poor electrical connection
  • Faulty Left Power Sliding Door Control Unit

How to Fix the DTC B2028?

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 B2028 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 B2028 code?

Need more information on how to fix the B2028 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2028 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • B2028 Acura β€” Left Power Sliding Door Remote Control Switch 2 Signal Error
  • B2028 Honda β€” Left Power Sliding Door Remote Control Switch 2 Signal Error
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 B2028 Code

1. What are the common symptoms of OBDII code B2028 (Left Power Sliding Door Remote Control Switch 2 Signal Error)?

- Common symptoms include the power sliding door not opening or closing properly, difficulty in operating the door remotely, and warning lights on the dashboard related to the door system.

2. What are the possible causes of OBDII code B2028?

- The code B2028 can be triggered by a faulty remote control switch, damaged wiring in the door system, a malfunctioning door module, or issues with the door motor.

3. How can I diagnose the OBDII code B2028?

- Diagnosing the code involves using an OBDII scanner to retrieve the code, checking the wiring and connections related to the left power sliding door, and testing the remote control switch for proper functionality.

4. What should I do if I encounter code B2028?

- If you encounter code B2028, it is recommended to inspect the left power sliding door system for any visible damage, check the remote control switch for proper operation, and address any wiring issues.

5. Can I repair OBDII code B2028 on my own?

- Depending on your automotive knowledge and skills, you may be able to repair code B2028 on your own by troubleshooting the door system components, replacing the faulty parts, and clearing the code with an OBDII scanner.

6. Is it safe to drive with OBDII code B2028 present?

- It is generally safe to drive with code B2028, but it is important to address the underlying issue causing the code as soon as possible to prevent further malfunction of the power sliding door system.

7. How much does it typically cost to repair OBDII code B2028?

- The cost of repairing code B2028 can vary depending on the specific cause of the issue, but it may involve expenses for replacement parts, labor costs if professional help is needed, and diagnostic fees.

8. Are there any preventive measures to avoid OBDII code B2028 in the future?

- To prevent code B2028 from recurring, it is advisable to regularly inspect and maintain the power sliding door system, avoid using excessive force when operating the door, and promptly address any issues with the remote control switch.

9. Can code B2028 affect other vehicle systems?

- While code B2028 specifically relates to the left power sliding door remote control switch signal error, it may indirectly affect other vehicle systems if left unresolved, potentially causing electrical issues or affecting the overall operation of the door system.

10. Is OBDII code B2028 a common issue in certain vehicle models?

- OBDII code B2028 related to the left power sliding door remote control switch signal error is more commonly found in vehicles equipped with automatic power sliding door systems, such as minivans and some SUV models.

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