C0161:71 Code - Antilock Braking System Brake Switch Circuit Invalid Data
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
- C0161:71 indicates Antilock Braking System Brake Switch Circuit Invalid Data.
- 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 C0161:71 Description
What are the Possible Causes of the DTC C0161:71?
- 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 C0161:71?
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 C0161:71 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 C0161:71 Code
1. What are common symptoms of OBDII code C0161:71 related to the Antilock Braking System Brake Switch Circuit Invalid Data?
- Common symptoms include the ABS warning light being illuminated on the dashboard, loss of antilock brake system functionality, and potential traction control issues.
2. What are possible causes of OBDII code C0161:71 indicating an Antilock Braking System Brake Switch Circuit Invalid Data?
- Possible causes may include a faulty brake switch, damaged wiring or connectors in the brake switch circuit, or a malfunctioning ABS module.
3. How can I diagnose OBDII code C0161:71 for the Antilock Braking System Brake Switch Circuit Invalid Data?
- Diagnose the code by using an OBDII scanner to retrieve the fault codes, inspecting the brake switch and its wiring for any visible damage, and testing the brake switch for proper functionality.
4. Is it safe to drive with OBDII code C0161:71 indicating an Antilock Braking System Brake Switch Circuit Invalid Data?
- It is not recommended to drive with this code as it may affect the proper operation of the antilock brake system, compromising vehicle safety.
5. How can I repair OBDII code C0161:71 related to the Antilock Braking System Brake Switch Circuit Invalid Data?
- Repair options include replacing the faulty brake switch, repairing any damaged wiring or connectors, or replacing the ABS module if necessary.
6. Can a DIY enthusiast fix OBDII code C0161:71 associated with the Antilock Braking System Brake Switch Circuit Invalid Data?
- Depending on the level of expertise, DIY enthusiasts may be able to address this code by following repair guides, but professional help is recommended for accurate diagnosis and repair.
7. How much does it typically cost to repair OBDII code C0161:71 for the Antilock Braking System Brake Switch Circuit Invalid Data?
- Repair costs can vary depending on the specific issue, but they may range from $100 to $500, including parts and labor.
8. Will resetting the OBDII code C0161:71 clear the issue with the Antilock Braking System Brake Switch Circuit Invalid Data?
- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the code to trigger. Proper diagnosis and repair are necessary.
9. Are there any safety implications associated with OBDII code C0161:71 related to the Antilock Braking System Brake Switch Circuit Invalid Data?
- Yes, driving with this code unresolved can compromise the vehicle's braking performance and overall safety, especially in emergency braking situations.
10. Can extreme weather conditions or road conditions trigger OBDII code C0161:71 for the Antilock Braking System Brake Switch Circuit Invalid Data?
- While extreme conditions may not directly trigger this code, they can exacerbate existing issues with the brake switch circuit, leading to the code being activated. Regular maintenance is crucial.
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