AutoCodes – Generic – B2354

B2354 Code - Driver Mirror Horizontal / Vertical Feedback Potentiometer Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Driver Mirror Motor. Common causes include Faulty Driver Mirror Motor, Driver Mirror Motor harness is open or shorted, Driver Mirror Motor 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: B2354 indicates Driver Mirror Horizontal / Vertical Feedback Potentiometer Circuit Open.
Common causes: Common causes include Faulty Driver Mirror Motor, Driver Mirror Motor harness is open or shorted, Driver Mirror Motor 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 3,733

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 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2354 Description

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

OBDII Code B2354 - Driver Mirror Horizontal / Vertical Feedback Potentiometer Circuit Open - AutoCodes.com — B2354 Code - Driver Mirror Horizontal / Vertical Feedback Potentiometer Circuit Open

What does this mean?

What are the Possible Causes of the DTC B2354?

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

How to Fix the DTC B2354?

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 B2354 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 B2354 code?

Need more information on how to fix the B2354 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2354 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 B2354 Code

1. What are the common symptoms of OBDII code B2354?

The common symptoms of OBDII code B2354 include malfunctioning driver-side mirror adjustments, mirror movement issues, and an illuminated "Check Engine" light on the dashboard.

2. What causes the OBDII code B2354 - Driver Mirror Horizontal / Vertical Feedback Potentiometer Circuit Open?

The B2354 code is typically caused by a faulty driver mirror potentiometer, damaged wiring or connectors in the mirror system, or a malfunctioning mirror control module.

3. How can I diagnose the OBDII code B2354?

Diagnosing code B2354 involves inspecting the driver-side mirror for any visible damage, checking the wiring and connectors for continuity and corrosion, and using a multimeter to test the potentiometer's resistance values.

4. Can I still drive my vehicle with the OBDII code B2354 present?

While it may be possible to drive the vehicle with the B2354 code, it is not recommended as the mirror adjustments play a crucial role in driving safety and visibility. We advise addressing the issue promptly.

5. What is the repair process for OBDII code B2354?

The repair process for code B2354 involves replacing the faulty driver mirror potentiometer, repairing or replacing damaged wiring or connectors, and clearing the trouble codes from the vehicle's computer using an OBDII scanner.

6. Are there any DIY tips for fixing the OBDII code B2354?

If you have experience working with automotive electrical systems, you may attempt to replace the driver mirror potentiometer yourself. However, it is recommended to consult a professional technician for accurate diagnosis and repair.

7. How much does it typically cost to repair the OBDII code B2354?

The cost of repairing OBDII code B2354 can vary depending on the extent of the damage and the specific components that need replacement. On average, the repair cost can range from $100 to $300 at a repair shop.

8. Can a disconnected or loose mirror adjustment switch cause the OBDII code B2354?

Yes, a disconnected or loose mirror adjustment switch can potentially trigger the B2354 code if it disrupts the feedback signal from the driver mirror potentiometer to the control module. Ensure all connections are secure during diagnosis.

9. Will resetting the OBDII code B2354 make it go away permanently?

Resetting the B2354 code may temporarily turn off the "Check Engine" light, but if the underlying issue such as a faulty potentiometer or wiring is not addressed, the code is likely to reappear once the problem is detected again.

10. Is it safe to ignore the OBDII code B2354 and continue driving without repairing it?

Ignoring the B2354 code can lead to ongoing issues with the driver-side mirror adjustments, potentially affecting your visibility while driving. It is recommended to address the problem promptly to ensure safe operation of the vehicle.