AutoCodes – Generic – B2338

B2338 Code - Mirror Switch Assembly Circuit Short to Battery

Quick Answer

The Body Control Module (BCM) monitors the Mirror Switch Assembly. Common causes include Faulty Mirror Switch Assembly, Mirror Switch Assembly harness is open or shorted, Mirror Switch Assembly 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: B2338 indicates Mirror Switch Assembly Circuit Short to Battery.
Common causes: Common causes include Faulty Mirror Switch Assembly, Mirror Switch Assembly harness is open or shorted, Mirror Switch Assembly 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 4,182

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 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2338 Description

The Body Control Module (BCM) monitors the Mirror Switch Assembly. The BCM sets the OBDII code when the Mirror Switch Assembly is not to factory specifications.

OBDII Code B2338 - Mirror Switch Assembly Circuit Short to Battery - AutoCodes.com — B2338 Code - Mirror Switch Assembly Circuit Short to Battery

What does this mean?

What are the Possible Causes of the DTC B2338?

Faulty Mirror Switch Assembly
Mirror Switch Assembly harness is open or shorted
Mirror Switch Assembly circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2338?

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 B2338 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 B2338 code?

Need more information on how to fix the B2338 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2338 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2338 Chrysler — Horn Control Circuit Open
B2338 Dodge — Horn Control Circuit Open
B2338 Jeep — Horn Control Circuit Open
B2338 RAM — Horn Control 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 B2338 Code

1. What are the common symptoms of OBDII code B2338 (Mirror Switch Assembly Circuit Short to Battery)?

- Common symptoms include non-functional mirror adjustments, mirror adjustment controls not working, or mirrors moving on their own.

2. What are the possible causes of OBDII code B2338?

- The code B2338 can be caused by a short to battery in the mirror switch assembly circuit, a faulty mirror switch, or damaged wiring.

3. How can I diagnose the issue related to OBDII code B2338?

- To diagnose the issue, you can start by checking the mirror switch assembly for any visible damage, testing the mirror switch for continuity, and inspecting the wiring for shorts.

4. Can I still drive my vehicle with OBDII code B2338?

- It is generally safe to drive your vehicle with this code, but it is recommended to address the issue promptly to avoid further electrical problems.

5. How can I repair OBDII code B2338 (Mirror Switch Assembly Circuit Short to Battery)?

- The repair for this code typically involves replacing the faulty mirror switch assembly, repairing any damaged wiring, and clearing the error code using an OBDII scanner.

6. Will disconnecting the battery reset OBDII code B2338?

- Disconnecting the battery may reset the code temporarily, but it is important to address the underlying issue to prevent the code from reappearing.

7. Can a DIY enthusiast fix OBDII code B2338 at home?

- Yes, if you have experience working with automotive electrical systems, you may be able to diagnose and repair this code at home. However, professional assistance is recommended for complex issues.

8. Are there any preventive measures to avoid OBDII code B2338 in the future?

- Regularly inspecting the mirror switch assembly, avoiding excessive force when adjusting mirrors, and ensuring proper wiring connections can help prevent the recurrence of this code.

9. How long does it typically take to repair OBDII code B2338?

- The repair time for this code can vary depending on the extent of the issue and the availability of replacement parts, but it can usually be resolved within a few hours to a day.

10. Is it necessary to visit a mechanic for OBDII code B2338, or can I fix it myself?

- While DIY repair is possible for experienced individuals, consulting a mechanic is recommended to accurately diagnose and repair the underlying cause of the code for a long-term solution.