B1586 - Dim Panel Decrease Input Circuit Short To Ground

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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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)

First diagnose B1586 code

    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 terminals.

Cost of diagnosing the B1586 code

    Labor: 1.0

    The cost of diagnosing the B1586 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.

B1586 Possible Symptoms

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

B1586 Description

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.
OBDII Code B1586 - Dim Panel Decrease Input Circuit Short To Ground - AutoCodes.com

B1586 More Information

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B1586 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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B1586 Comments

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