Engine-Codes - Generic - B1586

B1586 - Dim Panel Decrease Input Circuit Short To Ground

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B1586 Possible Causes

  • Faulty Dim Panel Switch
  • Dim Panel Switch harness is open or shorted
  • Dim Panel Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How is the B1586 code repair?

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 B1586 code

Labor: 1.0

The cost to diagnose the B1586 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B1586 Meaning

The Body Control Module (BCM) monitors the Dim Panel Switch. The BCM sets the OBDII code when the Dim Panel Switch is not to factory specifications.

More Information

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Information for specific makes

  • B1586 BUICK Mirror Horizontal Position Sensor Signal Voltage
  • B1586 CADILLAC Mirror Horizontal Position Sensor Signal Voltage
  • B1586 CHEVROLET Mirror Horizontal Position Sensor Signal Voltage
  • B1586 GMC Mirror Horizontal Position Sensor Signal Voltage

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