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AutoCodes - Generic - B1789

B1789 Code - Mirror Passenger Down Circuit Short To Ground

- Code Popularity: 3,981 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By - Updated Oct 16, 2022
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|Code B1789 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 B1789?

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 B1789?

Labor: 1.0

The cost of diagnosing the B1789 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 B1789 Possible Symptoms?

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

|Code B1789 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 B1789 - Mirror Passenger Down Circuit Short To Ground -
B1789 Code - Mirror Passenger Down Circuit Short To Ground

|Need More Information on the B1789 Code?

Need more information on how to fix the B1789 code? Get Access to Factory Service Manuals

|Need Help with the B1789 Code?

Get the B1789 code diagnosed by a professional: Find a repair shop in your area

|Code B1789 comments

Help us improve 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 B1789 code? Have you replaced any parts?
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