AutoCodes – Jeep – C122D Jeep

C122D Jeep Code - Active Brake Booster Control Circuit

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Active Brake Booster Solenoid. Common causes include Faulty Active Brake Booster Solenoid, Active Brake Booster Solenoid harness is open or shorted, Active Brake Booster Solenoid 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
C122D Jeep indicates Active Brake Booster Control Circuit.
Common causes
Common causes include Faulty Active Brake Booster Solenoid, Active Brake Booster Solenoid harness is open or shorted, Active Brake Booster Solenoid 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 2,451
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 C122D Jeep Description

The Anti-Lock Brake System (ABS) Module monitors the Active Brake Booster Solenoid. The ABS Module sets the OBDII code when the Active Brake Booster Solenoid is not to factory specifications.
OBDII Code C122D Jeep - Active Brake Booster Control Circuit - AutoCodes.com
C122D Jeep Code - Active Brake Booster Control Circuit

What are the Possible Causes of the DTC C122D Jeep?

  • Faulty Active Brake Booster Solenoid
  • Active Brake Booster Solenoid harness is open or shorted
  • Active Brake Booster Solenoid circuit poor electrical connection
  • Faulty Brake Travel Sensor
  • Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC C122D 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 C122D 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 C122D 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 C122D Jeep Code

1. What are the common symptoms of OBDII code C122D in a Jeep related to the Active Brake Booster Control Circuit?

- Common symptoms include illuminated brake warning lights on the dashboard, loss of power brakes, and potential issues with the vehicle's braking system.

2. What are the possible causes of OBDII code C122D in a Jeep?

- The code C122D in a Jeep typically indicates a fault in the active brake booster control circuit, which could be caused by wiring issues, a faulty brake booster, or a malfunctioning control module.

3. How can I diagnose the OBDII code C122D in my Jeep?

- To diagnose OBDII code C122D, it is recommended to perform a thorough inspection of the brake booster system, check for any visible wiring damage, and use a diagnostic scanner to identify the specific issue within the active brake booster control circuit.

4. Is it safe to continue driving my Jeep with the OBDII code C122D active?

- It is not recommended to drive your Jeep with an active OBDII code C122D related to the active brake booster control circuit, as it may affect the performance of the braking system and compromise vehicle safety.

5. How can I repair OBDII code C122D in my Jeep?

- Repairing OBDII code C122D in a Jeep involves addressing the root cause of the issue, which may include repairing or replacing damaged wiring, replacing the brake booster if necessary, or reprogramming the control module.

6. Can I reset the OBDII code C122D in my Jeep without fixing the underlying issue?

- While you can clear the OBDII code C122D using a diagnostic scanner, it is important to address the underlying issue causing the code to prevent further problems with the active brake booster control circuit.

7. How much does it typically cost to repair OBDII code C122D in a Jeep?

- The cost of repairing OBDII code C122D in a Jeep can vary depending on the specific issue, but it may involve expenses for parts, labor, and diagnostic services. It is recommended to consult a professional mechanic for an accurate estimate.

8. Can a DIY enthusiast with basic automotive skills fix OBDII code C122D in a Jeep?

- While some individuals with basic automotive skills may be able to address simple wiring issues related to OBDII code C122D, it is advisable to seek help from a qualified mechanic for more complex repairs involving the brake booster or control module.

9. Will OBDII code C122D cause my Jeep to fail an emissions test?

- OBDII code C122D related to the active brake booster control circuit may not directly cause your Jeep to fail an emissions test, but it is important to address the issue promptly to ensure overall vehicle performance and safety.

10. How long does it take to repair OBDII code C122D in a Jeep?

- The repair time for OBDII code C122D in a Jeep can vary based on the specific issue and the expertise of the mechanic. Simple repairs may take a few hours, while more complex issues could require more time for diagnosis and repair.

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