AutoCodesHonda – B2038 Honda

B2038 Honda Code - Left Power Sliding Door Base Position Switch Circuit Open/Short

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 Base Position Switch, Left Power Sliding Door Base Position Switch harness is open or shorted, Left Power Sliding Door Base Position 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
B2038 Honda indicates Left Power Sliding Door Base Position Switch Circuit Open/Short.
Common causes
Common causes include Faulty Left Power Sliding Door Base Position Switch, Left Power Sliding Door Base Position Switch harness is open or shorted, Left Power Sliding Door Base Position 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 10,762
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 09, 2023
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Code B2038 Honda 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 Base Position Switch Circuit Open/Short.
OBDII Code B2038 Honda - Left Power Sliding Door Base Position Switch Circuit Open/Short - AutoCodes.com
B2038 Honda Code - Left Power Sliding Door Base Position Switch Circuit Open/Short

What are the Possible Causes of the DTC B2038 Honda?

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

How to Fix the DTC B2038 Honda?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2038 Honda 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 B2038 Honda Code

1. What are common symptoms of OBDII code B2038 in a Honda related to the left power sliding door base position switch circuit?

The common symptoms include the left power sliding door not opening or closing properly, the door getting stuck halfway, and the door not responding to the control switch.

2. What are the possible causes of the OBDII code B2038 indicating a left power sliding door base position switch circuit open or short in a Honda?

Possible causes include a faulty base position switch, damaged wiring or connectors in the circuit, a blown fuse, or a malfunctioning power sliding door control unit.

3. How can I diagnose the issue causing OBDII code B2038 in my Honda with the left power sliding door base position switch circuit problem?

You can start by inspecting the wiring and connectors for any signs of damage, checking the fuse related to the power sliding door, and testing the base position switch for continuity or proper operation.

4. What is the recommended repair approach for fixing OBDII code B2038 related to the left power sliding door in a Honda?

The repair process may involve replacing the faulty base position switch, repairing or replacing damaged wiring or connectors, checking and replacing the fuse if necessary, or recalibrating the power sliding door control unit.

5. Can I drive my Honda with OBDII code B2038 indicating a left power sliding door base position switch circuit issue?

It is not recommended to drive the vehicle with this issue as it can lead to further damage to the power sliding door system and may pose safety risks. It is best to address the problem promptly.

6. Are there any DIY tips for troubleshooting OBDII code B2038 in a Honda with a malfunctioning left power sliding door?

You can start by checking the fuse related to the power sliding door, inspecting the wiring and connectors for visible damage, and testing the base position switch with a multimeter to determine if it is functioning properly.

7. How much does it typically cost to repair OBDII code B2038 indicating a left power sliding door base position switch circuit issue in a Honda?

The cost of repair can vary depending on the specific cause of the issue, the parts required for replacement, and whether you choose to do the repair yourself or take it to a professional mechanic. It's recommended to get a diagnostic assessment to determine the exact cost.

8. Can resetting the OBDII code B2038 in a Honda resolve the issue with the left power sliding door base position switch circuit?

Resetting the code may temporarily clear the error code, but if the underlying issue causing the code to appear is not addressed, the problem with the left power sliding door may persist. It is best to diagnose and repair the root cause of the problem.

9. Is OBDII code B2038 related to the left power sliding door base position switch circuit a common issue in Honda vehicles?

The occurrence of this specific OBDII code may vary among Honda models, but issues with power sliding doors, including circuit problems, are not uncommon in vehicles equipped with such features.

10. Can a malfunctioning left power sliding door base position switch circuit impact other electrical systems in a Honda?

While the primary impact of this issue is on the operation of the left power sliding door, electrical problems within the circuit can potentially affect other systems connected to the same circuit. Regular diagnostics and repairs are recommended to prevent further issues.

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