AutoCodes – Dodge – C122B Dodge

C122B Dodge 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 Dodge 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 883
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 Dodge 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 Dodge - Brake Booster Pedal Force Switch Circuit Performace - AutoCodes.com
C122B Dodge Code - Brake Booster Pedal Force Switch Circuit Performace

What are the Possible Causes of the DTC C122B Dodge?

  • 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 Dodge?

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 Dodge 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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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 Dodge Code

1. What does the OBDII code C122B mean on a Dodge?

C122B indicates an issue with the Brake Booster Pedal Force Switch Circuit, specifically related to its performance or functionality.

2. What are the common symptoms of a C122B code?

Symptoms may include the ABS or brake warning light illuminating, reduced braking performance, or a hard brake pedal.

3. What causes the C122B code to appear?

Common causes include a faulty brake pedal force switch, damaged wiring or connectors in the circuit, or issues with the brake booster assembly.

4. How is the C122B code diagnosed?

A technician will typically use a scan tool to verify the code, inspect the brake pedal force switch and its wiring, and test the switch's functionality.

5. Can I drive my Dodge with the C122B code active?

While the vehicle may still be drivable, reduced braking performance can compromise safety, so it is not recommended to delay repairs.

6. How do I fix the C122B code on my Dodge?

Repairs may include replacing the brake pedal force switch, repairing damaged wiring or connectors, or addressing issues with the brake booster system.

7. What tools are needed to repair the C122B code?

You may need a scan tool for diagnostics, a multimeter for testing the circuit, and basic hand tools for replacing components.

8. How much does it cost to repair the C122B code?

Costs vary depending on the specific issue, but replacing a brake pedal force switch typically ranges from $100 to $300, including parts and labor.

9. Can a dirty or corroded connector cause the C122B code?

Yes, corrosion or dirt on the brake pedal force switch connector can disrupt the circuit and trigger the code.

10. Does a faulty ABS module cause the C122B code?

While rare, an ABS module fault can sometimes be associated with this code, but it is more commonly due to issues with the brake pedal force switch or its circuit.

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