AutoCodes – Chevrolet – B1586 Chevrolet

B1586 Chevrolet Code - Mirror Horizontal Position Sensor Signal Voltage

Quick Answer

The Left Mirror and the Right Mirror Horizontal Position Sensors are Potentiometers. Common causes include Faulty Left Mirror or Right Mirror, Left Mirror or Right Mirror harness is open or shorted, Left Mirror or Right Mirror circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1586 Chevrolet indicates Mirror Horizontal Position Sensor Signal Voltage.
Common causes
Common causes include Faulty Left Mirror or Right Mirror, Left Mirror or Right Mirror harness is open or shorted, Left Mirror or Right Mirror circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,240
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 19, 2019
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Code B1586 Chevrolet Description

The Left Mirror and the Right Mirror Horizontal Position Sensors are Potentiometers. The Driver Door Module (DDM) and the Passenger Door Module (PFDM) determine the horizontal position of the mirrors based on the signal voltage from these sensors. The code will be set when the signal voltage of the mirror horizontal position sensor is above or below the range limits, within 10%, for 30 seconds in the requested position. The voltage range limits depend upon what the actual voltage of the 5 volt reference circuit is, and will vary from vehicle to vehicle and from module to module.
OBDII Code B1586 Chevrolet - Mirror Horizontal Position Sensor Signal Voltage - AutoCodes.com
B1586 Chevrolet Code - Mirror Horizontal Position Sensor Signal Voltage

What are the Possible Causes of the DTC B1586 Chevrolet?

  • Faulty Left Mirror or Right Mirror
  • Left Mirror or Right Mirror harness is open or shorted
  • Left Mirror or Right Mirror circuit poor electrical connection

How to Fix the DTC B1586 Chevrolet?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1586 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1586 Chevrolet Code

1. What are the common symptoms of OBDII code B1586 in a Chevrolet related to the Mirror Horizontal Position Sensor Signal Voltage?

- Common symptoms include erratic mirror movement, malfunctioning mirror adjustment controls, or the mirror not moving at all.

2. What usually causes the OBDII code B1586 in a Chevrolet related to the Mirror Horizontal Position Sensor Signal Voltage?

- The code is typically triggered by a faulty mirror horizontal position sensor, damaged wiring or connectors, or a problem with the mirror control module.

3. How can I diagnose the issue causing the OBDII code B1586 in my Chevrolet related to the Mirror Horizontal Position Sensor Signal Voltage?

- You can use a multimeter to test the mirror horizontal position sensor for proper voltage output and check the wiring and connectors for any signs of damage or corrosion.

4. Can I drive my Chevrolet with the OBDII code B1586 related to the Mirror Horizontal Position Sensor Signal Voltage?

- It is advisable to address the issue as soon as possible to ensure proper functioning of the mirror adjustment system. Continued driving with the fault may lead to inconvenience or safety concerns.

5. Is it possible to reset the OBDII code B1586 in a Chevrolet related to the Mirror Horizontal Position Sensor Signal Voltage without repairing the issue?

- While clearing the code may temporarily turn off the warning light, the underlying problem causing the fault will persist until properly addressed.

6. How much does it typically cost to repair the OBDII code B1586 in a Chevrolet related to the Mirror Horizontal Position Sensor Signal Voltage?

- The cost of repair can vary depending on the exact cause of the issue. It may involve replacing the mirror horizontal position sensor, repairing wiring, or addressing a faulty mirror control module.

7. Are there any DIY tips for fixing the OBDII code B1586 in my Chevrolet related to the Mirror Horizontal Position Sensor Signal Voltage?

- DIY enthusiasts with automotive repair experience can attempt to inspect and test the mirror horizontal position sensor, wiring, and connectors. However, complex issues may require professional diagnosis and repair.

8. Will the OBDII code B1586 in a Chevrolet related to the Mirror Horizontal Position Sensor Signal Voltage affect other vehicle systems?

- The code is specifically related to the mirror horizontal position sensor and should not directly impact other vehicle systems. However, it is essential to address the issue promptly to avoid further complications.

9. Can extreme weather conditions cause the OBDII code B1586 in a Chevrolet related to the Mirror Horizontal Position Sensor Signal Voltage?

- While extreme temperatures or moisture can potentially contribute to sensor or wiring issues, the code is more likely triggered by component wear, damage, or electrical faults.

10. How long does it take to repair the OBDII code B1586 in a Chevrolet related to the Mirror Horizontal Position Sensor Signal Voltage?

- The repair time can vary based on the complexity of the issue and the availability of parts. Simple fixes like sensor replacement may take a few hours, while more intricate problems could require a day or more at a repair shop.

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