C1101 Code - Brake Booster Vacuum Sensor Performance
Quick Answer
The Electronic Brake Control Module (EBCM) provides a power 5-volt reference to the brake booster vacuum sensor. Common causes include Faulty Brake Booster Vacuum Sensor, Brake Booster Vacuum Sensor harness is open or shorted, Brake Booster Vacuum Sensor 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
- C1101 indicates Brake Booster Vacuum Sensor Performance.
- Common causes
- Common causes include Faulty Brake Booster Vacuum Sensor, Brake Booster Vacuum Sensor harness is open or shorted, Brake Booster Vacuum Sensor 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 C1101 Description
What are the Possible Causes of the DTC C1101?
- Faulty Brake Booster Vacuum Sensor
- Brake Booster Vacuum Sensor harness is open or shorted
- Brake Booster Vacuum Sensor circuit poor electrical connection
How to Fix the DTC C1101?
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 C1101 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 C1101 code?
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Need Help with the Code?
Get the C1101 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1101 Buick — Brake Booster Vacuum Sensor Performance
- C1101 Cadillac — Brake Booster Vacuum Sensor Performance
- C1101 Chevrolet — Brake Booster Vacuum Sensor Performance
- C1101 GMC — Brake Booster Vacuum Sensor Performance
- C1101 Hummer — Brake Booster Vacuum Sensor Performance
- C1101 Hyundai — Battery Voltage High
- C1101 Infiniti — Rear Right Sensor 1
- C1101 KIA — Battery Voltage High
- C1101 Nissan — Rear Right Sensor 1
- C1101 Pontiac — Brake Booster Vacuum Sensor Performance
- C1101 Saturn — Brake Booster Vacuum Sensor Performance
Frequently Asked Questions about C1101 Code
1. What are the common symptoms of OBDII code C1101 (Brake Booster Vacuum Sensor Performance)?
- Common symptoms include a spongy brake pedal, decreased brake assist, illuminated ABS or brake warning lights, and potential difficulty in braking.
2. What are the possible causes of OBDII code C1101?
- Possible causes may include a faulty brake booster vacuum sensor, vacuum leaks in the brake booster system, damaged wiring or connectors, or a malfunctioning ABS module.
3. How can I diagnose the issue related to OBDII code C1101?
- Diagnosis typically involves using a scan tool to retrieve the code, conducting a visual inspection of the brake booster system, checking for vacuum leaks, and testing the brake booster vacuum sensor.
4. Can I continue driving my vehicle with OBDII code C1101?
- It is not recommended to drive your vehicle with this code, as it can affect the performance of your brakes and compromise your safety. It is advisable to address the issue promptly.
5. How can I repair OBDII code C1101 (Brake Booster Vacuum Sensor Performance)?
- Repair methods may include replacing the brake booster vacuum sensor, repairing any vacuum leaks, checking and repairing wiring or connectors, or addressing any issues with the ABS module.
6. Will resetting the OBDII code C1101 clear the issue?
- Resetting the code may temporarily clear the warning lights, but it will not fix the underlying problem causing the code. It is important to diagnose and repair the issue to prevent it from recurring.
7. How much does it typically cost to repair OBDII code C1101?
- The cost of repairs can vary depending on the cause of the issue, the labor rates in your area, and whether you choose to address the problem yourself or take it to a mechanic. Costs can range from a few hundred to over a thousand dollars.
8. Can a DIY enthusiast fix OBDII code C1101 at home?
- Depending on the cause of the issue and your level of automotive expertise, some DIY enthusiasts may be able to address OBDII code C1101 at home. However, it is essential to have the necessary tools and knowledge to ensure a proper repair.
9. Are there any preventive measures to avoid OBDII code C1101 in the future?
- Regular maintenance of the brake booster system, checking for vacuum leaks, and addressing any brake-related issues promptly can help prevent OBDII code C1101 from occurring in the future.
10. Is OBDII code C1101 a common issue in certain vehicle makes or models?
- While OBDII code C1101 can occur in various vehicle makes and models, it may be more common in vehicles with ABS and brake booster systems that are prone to sensor or vacuum-related issues.
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