Engine-Codes - Generic - B1789

B1789 Code - Mirror Passenger Down Circuit Short To Ground

- Code Popularity: 4,024 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1789?

  • 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 to Fix the B1789 Code?

Start by checking 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.

|What is the Cost to Diagnose the Code B1789?

Labor: 1.0

The cost to diagnose the B1789 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code B1789 Possible Symptoms?

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

|What Does the B1789 Code Mean?

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.

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?

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