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

Quick Answer

The C1562 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a malfunction in the Device Voltage Reference Output 2 circuit. Common causes include Faulty Voltage Regulator: A malfunctioning voltage regulator can disrupt the voltage output in the circuit, Wiring or Connector Damage: Corroded or damaged wiring or connectors can lead to poor electrical connections and cause the circuit malfunction, Sensor or Module Failure: A faulty sensor or module connected to the circuit can trigger the code. 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 Voltage Regulator: A malfunctioning voltage regulator can disrupt the voltage output in the circuit, Wiring or Connector Damage: Corroded or damaged wiring or connectors can lead to poor electrical connections and cause the circuit malfunction, Sensor or Module Failure: A faulty sensor or module connected to the circuit can trigger the code.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code C1562 2015 GMC Sierra Description

The C1562 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a malfunction in the Device Voltage Reference Output 2 circuit. This code is related to the vehicle's electrical system, specifically the voltage reference output from a particular device. The voltage reference output is crucial for various systems within the vehicle to operate correctly, as it provides a stable voltage level for sensors, modules, and other components to function properly.

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

Common Causes of C1562 2015 GMC Sierra

  1. Faulty Voltage Regulator: A malfunctioning voltage regulator can disrupt the voltage output in the circuit.
  2. Wiring or Connector Damage: Corroded or damaged wiring or connectors can lead to poor electrical connections and cause the circuit malfunction.
  3. Sensor or Module Failure: A faulty sensor or module connected to the circuit can trigger the code.
  4. Device Malfunction: The device itself that provides the voltage reference output may be defective.

Symptoms of C1562 2015 GMC Sierra

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the dashboard.
  2. Erratic Instrument Cluster Behavior: The instrument cluster may display incorrect readings or behave erratically due to the voltage reference output issue.
  3. Poor Performance: The vehicle may experience a decrease in performance, such as reduced power or acceleration.
  4. Electrical Malfunctions: Other electrical components in the vehicle, such as power windows, lights, or HVAC controls, may not function properly.

How to Fix C1562 2015 GMC Sierra

  1. Diagnose the Issue: Use a diagnostic scanner to retrieve the trouble code and perform further testing to pinpoint the exact cause of the circuit malfunction.
  2. Inspect Wiring and Connectors: Check all wiring and connectors related to the Device Voltage Reference Output 2 circuit for any damage or corrosion. Repair or replace as necessary.
  3. Test Voltage Regulator: Verify the functionality of the voltage regulator to ensure it is providing the correct voltage output.
  4. Check Sensors and Modules: Inspect all sensors and modules connected to the circuit for any faults or failures. Replace any defective components.
  5. Clear Codes and Test Drive: After completing the repairs, clear the DTCs from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C1562 2015 GMC Sierra

The typical repair costs for resolving a Device Voltage Reference Output 2 Circuit Malfunction can vary depending on the specific cause of the issue. In general, parts and labor for this repair could range from $150 to $500. However, it's important to note that the actual cost may be higher or lower based on factors such as the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. Diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. It's recommended to obtain quotes from local shops for a more accurate estimate.

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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 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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