AutoCodes – Generic – B1736

B1736 Code - Mirror Driver Vertical Switch Circuit Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Mirror Driver Vertical Switch. Common causes include Faulty Mirror Driver Vertical Switch, Mirror Driver Vertical Switch harness is open or shorted, Mirror Driver Vertical 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: B1736 indicates Mirror Driver Vertical Switch Circuit Short To Ground.
Common causes: Common causes include Faulty Mirror Driver Vertical Switch, Mirror Driver Vertical Switch harness is open or shorted, Mirror Driver Vertical 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 4,617

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 B1736 Description

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

OBDII Code B1736 - Mirror Driver Vertical Switch Circuit Short To Ground - AutoCodes.com — B1736 Code - Mirror Driver Vertical Switch Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1736?

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

How to Fix the DTC B1736?

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 B1736 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 B1736 code?

Need more information on how to fix the B1736 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1736 code diagnosed by a professional: Find a repair shop in your area

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 B1736 Code

1. What are common symptoms of OBDII code B1736 (Mirror Driver Vertical Switch Circuit Short To Ground)?

- Common symptoms include inoperative power mirrors, inability to adjust the driver's side mirror vertically, and illuminated warning lights on the dashboard.

2. What can cause the OBDII code B1736 to trigger?

- The code B1736 is typically triggered by a short circuit to ground in the vertical switch circuit of the driver's side mirror.

3. How can I diagnose the Mirror Driver Vertical Switch Circuit Short To Ground issue?

- Diagnose the issue by visually inspecting the mirror switch and wiring for any visible damage, testing the mirror switch for proper functionality, and using a multimeter to check for continuity and shorts in the circuit.

4. Can a faulty power mirror motor cause the B1736 code to appear?

- While a faulty power mirror motor can contribute to mirror-related issues, the B1736 code specifically indicates a short to ground in the vertical switch circuit, not a motor malfunction.

5. What are some repair tips for addressing the Mirror Driver Vertical Switch Circuit Short To Ground issue?

- Repair tips include repairing or replacing damaged wiring in the vertical switch circuit, replacing the faulty mirror switch, and ensuring proper grounding of the circuit.

6. Is it safe to continue driving with the B1736 trouble code active?

- It is generally safe to continue driving with the B1736 trouble code, but it is recommended to address the issue promptly to restore proper functionality to the driver's side mirror.

7. Can a DIY enthusiast fix the B1736 code at home?

- Yes, a DIY enthusiast with basic automotive repair skills can attempt to fix the B1736 code by following repair guides, using the right tools, and being cautious around electrical components.

8. Will resetting the OBDII code B1736 make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the root cause of the issue is not addressed, the code is likely to reappear once the problem is detected again.

9. How much does it typically cost to repair the Mirror Driver Vertical Switch Circuit Short To Ground issue at a mechanic or dealership?

- The cost of repairing the B1736 code can vary depending on labor rates, parts needed, and the specific repair required, but it may range from $100 to $300 or more.

10. Are there any preventive measures to avoid triggering the B1736 trouble code in the future?

- To prevent the B1736 trouble code, regularly inspect and maintain the electrical components of the mirror system, avoid exposing the mirror switch to moisture, and handle the mirror controls gently to prevent damage.