AutoCodes – Jeep – C122B Jeep

C122B Jeep Code - Brake Booster Pedal Force Switch Circuit Performace

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Brake Booster Pedal Force Switch. Common causes include Faulty Brake Booster Pedal Force Switch, Brake Booster Pedal Force Switch harness is open or shorted, Brake Booster Pedal Force 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
C122B Jeep indicates Brake Booster Pedal Force Switch Circuit Performace.
Common causes
Common causes include Faulty Brake Booster Pedal Force Switch, Brake Booster Pedal Force Switch harness is open or shorted, Brake Booster Pedal Force 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,430
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 27, 2020
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Code C122B Jeep Description

The Anti-Lock Brake System (ABS) Module monitors the Brake Booster Pedal Force Switch. The ABS Module sets the OBDII code when the Brake Booster Pedal Force Switch is not to factory specifications.
OBDII Code C122B Jeep - Brake Booster Pedal Force Switch Circuit Performace - AutoCodes.com
C122B Jeep Code - Brake Booster Pedal Force Switch Circuit Performace

What are the Possible Causes of the DTC C122B Jeep?

  • Faulty Brake Booster Pedal Force Switch
  • Brake Booster Pedal Force Switch harness is open or shorted
  • Brake Booster Pedal Force Switch circuit poor electrical connection
  • Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC C122B Jeep?

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 C122B Jeep 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 C122B Jeep code?

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Need Help with the Code?

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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 C122B Jeep Code

1. What are the common symptoms of OBDII code C122B in a Jeep related to the Brake Booster Pedal Force Switch Circuit Performance?

- Common symptoms include illuminated brake warning lights on the dashboard, issues with the brake pedal feel or responsiveness, and potential loss of power brakes.

2. What can cause the OBDII code C122B in a Jeep related to the Brake Booster Pedal Force Switch Circuit Performance?

- Causes can include a faulty brake booster pedal force switch, damaged wiring or connectors in the circuit, or a malfunctioning brake booster itself.

3. How serious is the OBDII code C122B in a Jeep related to the Brake Booster Pedal Force Switch Circuit Performance?

- This code should be addressed promptly as it can affect the proper operation of the braking system, potentially compromising safety. It is recommended to have the issue diagnosed and repaired by a qualified technician.

4. Can I continue driving my Jeep with the OBDII code C122B related to the Brake Booster Pedal Force Switch Circuit Performance?

- It is not recommended to drive the vehicle with this code present, as it may lead to brake-related issues. It's best to have the problem diagnosed and repaired before driving again.

5. How can I diagnose and repair the OBDII code C122B in a Jeep related to the Brake Booster Pedal Force Switch Circuit Performance?

- Diagnosis involves using a scan tool to retrieve the specific fault codes and then inspecting the brake booster pedal force switch and its circuit for any faults. Repair may involve replacing the switch, repairing wiring, or addressing any issues with the brake booster.

6. Is the OBDII code C122B related to the Brake Booster Pedal Force Switch Circuit Performance a common issue in Jeeps?

- While not as common as some other OBDII codes, issues with the brake booster pedal force switch circuit can occur in Jeeps, particularly in older models or those with high mileage.

7. Can a DIY enthusiast fix the OBDII code C122B related to the Brake Booster Pedal Force Switch Circuit Performance?

- While some experienced DIYers may be able to diagnose and repair this issue, it is recommended to seek assistance from a professional mechanic or technician due to the critical nature of the braking system.

8. How much does it cost to repair the OBDII code C122B in a Jeep related to the Brake Booster Pedal Force Switch Circuit Performance?

- The cost of repair can vary depending on the specific cause of the issue, the labor rates in your area, and whether any parts need to be replaced. It's best to get a diagnostic assessment from a mechanic for an accurate estimate.

9. Are there any preventive measures to avoid encountering the OBDII code C122B related to the Brake Booster Pedal Force Switch Circuit Performance?

- Regular maintenance of the brake system, including checking for any signs of wear or damage, can help prevent issues that may trigger this code. Additionally, addressing any brake-related symptoms promptly can help avoid more serious problems.

10. Will resetting the OBDII code C122B related to the Brake Booster Pedal Force Switch Circuit Performance make it go away permanently?

- Simply resetting the code without addressing the underlying issue will not make it go away permanently. It's crucial to diagnose the problem, make necessary repairs, and ensure proper functioning of the brake booster system to prevent the code from returning.

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