AutoCodes – GMC – C1562 2015 GMC Sierra

C1562 2015 GMC Sierra Code - Device Voltage Reference Output 2 Circuit Malfunction

Quick Answer

The trailer brake control system has a control panel with the trailer gain and manual apply switches. Common causes include Faulty Trailer Brake Control Switch, Trailer Brake Control Switch harness is open or shorted, Trailer Brake Control Switch 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
C1562 2015 GMC Sierra indicates Device Voltage Reference Output 2 Circuit Malfunction.
Common causes
Common causes include Faulty Trailer Brake Control Switch, Trailer Brake Control Switch harness is open or shorted, Trailer Brake Control Switch 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.
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Code Popularity 229
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 18, 2023
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Code C1562 2015 GMC Sierra Description

The trailer brake control system has a control panel with the trailer gain and manual apply switches. The switches are located on the instrument panel to the left of the steering column. The control panel and switches allow you to adjust the amount of output, referred to as trailer gain, available to the electric trailer brakes and allow you to manually apply the trailer brakes. The trailer brake control panel and switches are used along with the trailer brake display page on the driver information center to adjust and display power output to the trailer brakes.
OBDII Code C1562 2015 GMC Sierra - Device Voltage Reference Output 2 Circuit Malfunction - AutoCodes.com
C1562 2015 GMC Sierra Code - Device Voltage Reference Output 2 Circuit Malfunction

What are the Possible Causes of the DTC C1562 2015 GMC Sierra?

  • Faulty Trailer Brake Control Switch
  • Trailer Brake Control Switch harness is open or shorted
  • Trailer Brake Control Switch circuit poor electrical connection
  • Faulty Chassis Control Module-Auxiliary

How to Fix the DTC C1562 2015 GMC Sierra?

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 C1562 2015 GMC Sierra 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.

Need more information about the C1562 2015 GMC Sierra code?

Need more information on how to fix the C1562 2015 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1562 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 C1562 2015 GMC Sierra Code

1. What are common symptoms of OBDII code C1562 in a 2015 GMC Sierra?

Common symptoms include illuminated check engine light, loss of power steering assist, and potential issues with the vehicle's electronic stability control system.

2. What causes the Device Voltage Reference Output 2 Circuit Malfunction in a 2015 GMC Sierra?

Possible causes of this OBDII code include a faulty voltage reference sensor, wiring issues, poor electrical connections, or a problem with the electronic control module.

3. How can I diagnose the Device Voltage Reference Output 2 Circuit Malfunction in my 2015 GMC Sierra?

Diagnosis typically involves using a scan tool to read the trouble codes and pinpointing the specific circuit or component causing the issue. Checking the voltage reference sensor and related wiring for continuity and proper voltage output is crucial.

4. Can I continue driving my 2015 GMC Sierra with OBDII code C1562?

It is not recommended to ignore this code and continue driving, as it may lead to further electrical problems and affect the vehicle's performance and safety systems.

5. What are some DIY repair tips for resolving the Device Voltage Reference Output 2 Circuit Malfunction in a 2015 GMC Sierra?

DIY repair tips may include checking and cleaning electrical connections, inspecting the voltage reference sensor for damage, and ensuring the wiring harness is intact and properly connected.

6. Is it necessary to have a professional mechanic repair OBDII code C1562 in a 2015 GMC Sierra?

Given the complexity of electrical systems in modern vehicles, it is advisable to seek the expertise of a professional mechanic to diagnose and repair the Device Voltage Reference Output 2 Circuit Malfunction.

7. How much does it typically cost to repair OBDII code C1562 in a 2015 GMC Sierra?

The cost of repairing this code can vary depending on the specific cause of the issue, but it may involve expenses related to parts replacement, labor, and diagnostic fees.

8. Will resetting the OBDII system clear the Device Voltage Reference Output 2 Circuit Malfunction in my 2015 GMC Sierra?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear after driving the vehicle for a certain period.

9. Can extreme weather conditions affect the occurrence of OBDII code C1562 in a 2015 GMC Sierra?

Extreme weather conditions, such as extreme heat or cold, can potentially impact the electrical components and wiring in the vehicle, which may contribute to triggering the Device Voltage Reference Output 2 Circuit Malfunction code.

10. How soon should I address OBDII code C1562 in my 2015 GMC Sierra to prevent further damage?

It is recommended to address this code as soon as possible to prevent potential damage to other vehicle systems and ensure the continued safe operation of the vehicle.

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