AutoCodesCadillac – C1562 Cadillac

C1562 Cadillac 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 Cadillac 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 193
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 Cadillac 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 Cadillac - Device Voltage Reference Output 2 Circuit Malfunction - AutoCodes.com
C1562 Cadillac Code - Device Voltage Reference Output 2 Circuit Malfunction

What are the Possible Causes of the DTC C1562 Cadillac?

  • 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 Cadillac?

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 Cadillac 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 C1562 Cadillac Code

What does the OBDII code C1562 mean on a Cadillac?

C1562 indicates a malfunction in the Device Voltage Reference Output 2 Circuit, which is responsible for providing a stable reference voltage to certain components in the vehicle’s control systems.

What are the common symptoms of code C1562 in a Cadillac?

Symptoms may include warning lights on the dashboard, erratic behavior of electronic systems, or issues with components relying on the voltage reference, such as sensors or actuators.

What causes code C1562 to appear on a Cadillac?

Causes can include a faulty voltage reference circuit, damaged wiring or connectors, a failing control module, or short circuits in the system.

Can a bad ground connection cause code C1562 in a Cadillac?

Yes, a poor or corroded ground connection can disrupt the voltage reference circuit and trigger the C1562 code.

How do you diagnose code C1562 on a Cadillac?

Diagnosis involves inspecting the wiring and connectors for damage, checking the voltage reference circuit with a multimeter, and testing the related control modules for proper function.

Can I drive my Cadillac with the C1562 code active?

It’s not recommended to drive with the C1562 code active, as it may affect the performance of critical systems and lead to further damage.

How much does it cost to repair code C1562 on a Cadillac?

Repair costs vary depending on the issue, ranging from $50 for minor wiring repairs to $500 or more if a control module needs replacement.

Is code C1562 unique to Cadillacs?

No, while C1562 is common in Cadillacs, it can appear in other vehicles with similar voltage reference circuit designs.

Can a failing sensor cause the C1562 code on a Cadillac?

Yes, if a sensor relying on the voltage reference circuit fails or creates a short, it can trigger the C1562 code.

What tools are needed to troubleshoot code C1562 on a Cadillac?

You’ll need an OBDII scanner, a multimeter for voltage and continuity tests, and potentially wiring diagrams specific to your Cadillac model.

Discuss the causes and fixes for C1562 Cadillac OBDII Code

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