C0161 2015 GMC Sierra Code - Antilock Braking System Brake Switch Circuit
Quick Answer
When the brake pedal is applied, the Body Control Module (BCM) sends a serial data message to the Electronic Brake Control Module (EBCM) in reference to the brake pedal positions. Common causes include Faulty Brake Switch (Stop Lamp Switch), Brake Switch harness is open or shorted, Brake 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
- C0161 2015 GMC Sierra indicates Antilock Braking System Brake Switch Circuit.
- Common causes
- Common causes include Faulty Brake Switch (Stop Lamp Switch), Brake Switch harness is open or shorted, Brake 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 C0161 2015 GMC Sierra Description
What are the Possible Causes of the DTC C0161 2015 GMC Sierra?
- Faulty Brake Switch (Stop Lamp Switch)
- Brake Switch harness is open or shorted
- Brake Switch circuit poor electrical connection
- Faulty Electronic Brake Control Module (EBCM) with Brake Pressure Modulator Valve (BPMV)
How to Fix the DTC C0161 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 C0161 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.
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Frequently Asked Questions about C0161 2015 GMC Sierra Code
1. What does the OBDII code C0161 mean on a 2015 GMC Sierra?
C0161 indicates an issue with the Antilock Braking System (ABS) brake switch circuit, which monitors brake pedal activity to ensure proper ABS function.
2. What are the common symptoms of the C0161 code on a 2015 GMC Sierra?
Symptoms may include the ABS warning light illuminating, traction control being disabled, and irregular braking performance.
3. What causes the C0161 code to appear on a 2015 GMC Sierra?
The code can be caused by a faulty brake switch, damaged wiring or connectors in the circuit, or a malfunctioning ABS control module.
4. Can I drive my 2015 GMC Sierra with the C0161 code present?
While the vehicle may still be drivable, reduced braking performance and disabled ABS or traction control can make driving unsafe, especially in slippery conditions.
5. How do I diagnose the C0161 code on a 2015 GMC Sierra?
Start by inspecting the brake pedal position switch, wiring, and connectors. Use a diagnostic scan tool to check for related codes and monitor live data from the ABS system.
6. How do I fix the C0161 code on a 2015 GMC Sierra?
Repairs may involve replacing the brake pedal position switch, repairing damaged wiring or connectors, or reprogramming or replacing the ABS control module if necessary.
7. How much does it cost to repair the C0161 code on a 2015 GMC Sierra?
Repair costs vary but typically range from $100 to $300 for parts and labor, depending on whether the issue is with the brake switch or other components.
8. Will clearing the C0161 code fix the problem on my 2015 GMC Sierra?
Clearing the code without addressing the underlying issue will only temporarily turn off the warning light, and the code is likely to reappear.
9. How can I prevent the C0161 code from occurring again?
Regular maintenance, including inspecting the brake pedal position switch and ABS wiring, can help prevent the code from reoccurring.
10. Can a faulty brake light switch trigger the C0161 code on my 2015 GMC Sierra?
Yes, a malfunctioning brake light switch can cause the code by sending incorrect signals to the ABS system.
Discuss the causes and fixes for C0161 2015 GMC Sierra OBDII Code
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