AutoCodes – Generic – B1773

B1773 Code - Mirror Driver Up Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Mirror Driver Up Motor. Common causes include Faulty Mirror Driver Up Motor, Mirror Driver Up Motor harness is open or shorted, Mirror Driver Up 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: B1773 indicates Mirror Driver Up Circuit Failure.
Common causes: Common causes include Faulty Mirror Driver Up Motor, Mirror Driver Up Motor harness is open or shorted, Mirror Driver Up 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 10,526

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 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1773 Description

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

OBDII Code B1773 - Mirror Driver Up Circuit Failure - AutoCodes.com — B1773 Code - Mirror Driver Up Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B1773?

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

How to Fix the DTC B1773?

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 B1773 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 B1773 code?

Need more information on how to fix the B1773 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1773 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1773 Lexus — Belt Tension Sensor Circuit Malfunction
B1773 Nissan — 5th Bow Status Sensor Right
B1773 Scion — Belt Tension Sensor Circuit Malfunction
B1773 Toyota — Belt Tension Sensor Circuit Malfunction

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 B1773 Code

1. What are common symptoms of OBDII code B1773, Mirror Driver Up Circuit Failure?

- Common symptoms include the driver side mirror being stuck in one position, not moving up or down, or erratic movements.

2. What are the possible causes of OBDII code B1773?

- The code B1773 can be triggered by issues such as a faulty mirror motor, damaged mirror control switch, wiring issues, or a blown fuse.

3. How can I diagnose the Mirror Driver Up Circuit Failure related to OBDII code B1773?

- To diagnose the issue, you can start by checking the fuse related to the mirror system, testing the mirror control switch, inspecting the wiring for any damage, and testing the mirror motor for functionality.

4. Is it safe to drive with OBDII code B1773 active?

- While it may be safe to drive with this code, it is recommended to address the issue promptly as having non-functional mirrors can impact your visibility and safety on the road.

5. Can I repair OBDII code B1773 myself, or do I need professional help?

- Depending on your automotive repair skills, you may be able to address the Mirror Driver Up Circuit Failure related to OBDII code B1773 yourself by following diagnostic steps and replacing faulty components. However, if you are unsure or lack the necessary tools, seeking professional help is recommended.

6. Are there any quick fixes or temporary solutions for OBDII code B1773?

- Quick fixes may include checking and replacing blown fuses, ensuring proper connections, and resetting the mirror system. However, these fixes may be temporary, and a comprehensive repair is recommended.

7. What are the potential costs associated with fixing OBDII code B1773?

- The cost of fixing OBDII code B1773 can vary depending on the root cause of the issue. It may range from replacing a fuse or switch (lower cost) to repairing or replacing the mirror motor (higher cost). Professional labor costs may also apply.

8. Can extreme weather conditions cause OBDII code B1773 to trigger?

- Yes, extreme weather conditions such as heavy rain, snow, or extreme heat can potentially damage the mirror motor or wiring, leading to Mirror Driver Up Circuit Failure and triggering OBDII code B1773.

9. Is it possible for OBDII code B1773 to reset itself without any intervention?

- In some cases, if the underlying issue causing the Mirror Driver Up Circuit Failure is temporary or intermittent, the code B1773 may reset itself after a certain number of successful drive cycles with no issues detected.

10. How can I prevent OBDII code B1773 from recurring in the future?

- To prevent OBDII code B1773 from recurring, regular maintenance checks on the mirror system, avoiding physical damage to the mirrors, and addressing any issues promptly can help maintain the proper functioning of the mirror driver circuit.