AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Generic - B1786

B1786 Code - Mirror Passenger Down Circuit Failure

- Code Popularity: 3,775 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Oct 16, 2022
Share on Facebook   Share on Twitter   Share on Linkedin

|Code B1786 Possible Causes

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

|How do I Fix the Code B1786?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B1786?

Labor: 1.0

The cost of diagnosing the B1786 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code B1786 Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|Code B1786 Description

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

OBDII Code B1786 - Mirror Passenger Down Circuit Failure - AutoCodes.com
B1786 Code - Mirror Passenger Down Circuit Failure

|Need More Information on the B1786 Code?

Need more information on how to fix the B1786 code? Get Access to Factory Service Manuals

|Information for Specific Makes

  • B1786 Lexus Front Occupant Classification Sensor Right Collision Detection
  • B1786 Scion Front Occupant Classification Sensor Right Collision Detection
  • B1786 Toyota Front Occupant Classification Sensor Right Collision Detection

|Need Help with the B1786 Code?

Get the B1786 code diagnosed by a professional: Find a repair shop in your area

|Code B1786 comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B1786 code? Have you replaced any parts?
Any information is appreciated. Thanks