C1562 2016 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 2016 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.
Code C1562 2016 GMC Sierra Description
What are the Possible Causes of the DTC C1562 2016 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 2016 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 2016 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 2016 GMC Sierra code?
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Frequently Asked Questions about C1562 2016 GMC Sierra Code
1. What does OBDII code C1562 mean on a 2016 GMC Sierra?
Code C1562 indicates a malfunction in the Device Voltage Reference Output 2 Circuit, which is responsible for providing a stable voltage to certain vehicle sensors and modules.
2. What are the common symptoms of code C1562 in a 2016 GMC Sierra?
Symptoms may include erratic sensor readings, warning lights on the dashboard, reduced engine performance, or intermittent electrical issues.
3. What causes code C1562 in a 2016 GMC Sierra?
Common causes include damaged wiring or connectors in the reference circuit, a faulty control module, or electrical shorts within the system.
4. Can driving with code C1562 cause further damage to my 2016 GMC Sierra?
Yes, ignoring the code can lead to inaccurate sensor readings and potential damage to other vehicle systems dependent on the voltage reference circuit.
5. How can I troubleshoot code C1562 on my 2016 GMC Sierra?
Start by inspecting the wiring and connectors in the voltage reference circuit for damage or corrosion. Use a multimeter to check for proper voltage output.
6. Is replacing the control module necessary to fix code C1562 on a 2016 GMC Sierra?
Not always. The issue may be resolved by repairing damaged wiring or connectors. Only replace the control module if it’s confirmed to be faulty.
7. What tools are needed to diagnose code C1562 on a 2016 GMC Sierra?
You’ll need an OBDII scanner, a multimeter, and possibly wiring diagrams for the voltage reference circuit.
8. How much does it cost to repair code C1562 on a 2016 GMC Sierra?
Repair costs vary depending on whether the issue is wiring-related or requires control module replacement. Wiring repairs may cost $100–300, while module replacement can exceed $500.
9. Can bad grounds cause code C1562 on a 2016 GMC Sierra?
Yes, poor grounding can disrupt the voltage reference circuit and trigger the code.
10. Should I clear code C1562 after repairs on my 2016 GMC Sierra?
Yes, use an OBDII scanner to clear the code after repairs and test drive the vehicle to ensure the issue is resolved.
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