AutoCodes – Generic – B1737

B1737 Code - Mirror Driver Horizontal Switch Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Mirror Driver Horizontal Switch. Common causes include Faulty Mirror Driver Horizontal Switch, Mirror Driver Horizontal Switch harness is open or shorted, Mirror Driver Horizontal 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: B1737 indicates Mirror Driver Horizontal Switch Circuit Failure.
Common causes: Common causes include Faulty Mirror Driver Horizontal Switch, Mirror Driver Horizontal Switch harness is open or shorted, Mirror Driver Horizontal 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.

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Code Popularity 3,650

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 Jun 23, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1737 Description

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

OBDII Code B1737 - Mirror Driver Horizontal Switch Circuit Failure - AutoCodes.com — B1737 Code - Mirror Driver Horizontal Switch Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B1737?

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

How to Fix the DTC B1737?

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 B1737 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 B1737 code?

Need more information on how to fix the B1737 code? Get Access to Factory Service Manuals

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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 B1737 Code

1. What are the common symptoms of OBDII code B1737 (Mirror Driver Horizontal Switch Circuit Failure)?

- Common symptoms include inoperative mirror adjustment controls, inability to adjust the driver's side mirror horizontally, and potential issues with other mirror functions.

2. What are the possible causes of OBDII code B1737?

- The code B1737 may be triggered by a faulty mirror switch, damaged wiring or connectors in the mirror switch circuit, or a malfunction in the mirror control module.

3. How can I diagnose the Mirror Driver Horizontal Switch Circuit Failure?

- To diagnose B1737, you can use an OBDII scanner to read the fault codes, visually inspect the mirror switch and wiring for any visible damage, and perform circuit testing to check for continuity and proper voltage.

4. Can a DIY enthusiast repair OBDII code B1737 at home?

- If you have experience with automotive electrical systems, you may be able to repair B1737 at home by replacing the faulty mirror switch, repairing damaged wiring, or resetting the mirror control module.

5. Is it safe to continue driving with OBDII code B1737 present?

- While B1737 may not directly affect the drivability of the vehicle, it is recommended to address the issue promptly to ensure proper functionality of the driver's side mirror and other related systems.

6. How much does it typically cost to repair OBDII code B1737 at a repair shop?

- The cost of repairing B1737 can vary depending on the underlying cause, but it may range from $100 to $300, including parts and labor.

7. Are there any temporary solutions to address OBDII code B1737?

- In some cases, resetting the mirror control module or disconnecting and reconnecting the mirror switch may temporarily resolve B1737, but it's important to address the root cause for a permanent fix.

8. Can extreme weather conditions contribute to triggering OBDII code B1737?

- Yes, extreme heat or cold can potentially cause electrical components to malfunction, leading to issues like B1737. It's important to keep the vehicle protected from harsh weather conditions.

9. Will OBDII code B1737 cause the vehicle to fail an emissions test?

- B1737 is not directly related to emissions, so it typically will not cause the vehicle to fail an emissions test. However, it's still important to address the issue for overall safety and functionality.

10. How long does it take to repair OBDII code B1737?

- The repair time for B1737 can vary based on the specific cause and complexity of the repair. In general, it may take anywhere from 1 to 3 hours to diagnose and fix the issue.