C122D Code - Active Brake Booster Control Circuit
Quick Answer
The C122D diagnostic trouble code (DTC) refers to the Active Brake Booster Control Circuit. Common causes include Faulty brake booster control module, Damaged wiring or connectors in the brake booster control circuit, Vacuum leak in the brake booster system. 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 indicates Active Brake Booster Control Circuit.
- Common causes
- Common causes include Faulty brake booster control module, Damaged wiring or connectors in the brake booster control circuit, Vacuum leak in the brake booster system.
- 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.
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Code C122D Description
The C122D diagnostic trouble code (DTC) refers to the Active Brake Booster Control Circuit. This code is typically found in vehicles equipped with an electric or vacuum brake booster system. The active brake booster control circuit is responsible for regulating the power assistance provided to the brake system, ensuring proper braking performance.
Common Causes of C122D
- Faulty brake booster control module
- Damaged wiring or connectors in the brake booster control circuit
- Vacuum leak in the brake booster system
- Defective brake booster pump
- Electronic control unit (ECU) issues affecting the brake booster system
Symptoms of C122D
- Illuminated brake warning light on the dashboard
- Difficulty applying brakes or a spongy brake pedal feel
- Increased stopping distances
- ABS system malfunctions or errors
- Loss of power assistance in the brake system
How to Fix C122D
- Perform a comprehensive diagnostic scan to retrieve the specific fault codes and pinpoint the issue.
- Inspect the brake booster control circuit for any damaged wiring or connectors and repair or replace as needed.
- Test the brake booster pump and control module for proper functionality and replace if faulty.
- Clear the DTCs from the vehicle's ECU and reset the system to ensure proper operation.
- Conduct a road test to verify that the brake system is functioning correctly and that the C122D code does not reappear.
Cost to Fix C122D
The cost of repairing the Active Brake Booster Control Circuit issue can vary depending on the specific cause of the problem and the vehicle's make and model. On average, the repair cost for this type of issue can range from $200 to $600, including parts and labor. It's important to note that diagnostic time and labor rates can vary, so it's recommended to consult with a trusted auto repair shop for a more accurate estimate.
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Code C122D Information for Specific Makes
- C122D Chrysler — Active Brake Booster Control Circuit
- C122D Dodge — Active Brake Booster Control Circuit
- C122D Jeep — Active Brake Booster Control Circuit
Frequently Asked Questions about C122D Code
1. What are common symptoms of OBDII code C122D (Active Brake Booster Control Circuit)?
- Common symptoms include a hard brake pedal, loss of power brakes, illuminated brake warning light, and potential decrease in braking performance.
2. What are the possible causes of OBDII code C122D?
- The code C122D can be triggered by issues such as a faulty active brake booster control module, damaged wiring or connectors in the circuit, or a malfunctioning brake booster pump motor.
3. How can I diagnose the cause of OBDII code C122D?
- Diagnosing the code typically involves using a diagnostic scanner to retrieve the specific fault code, conducting a visual inspection of the wiring and connectors, and performing tests on the brake booster control module and associated components.
4. Can OBDII code C122D be repaired at home?
- Repairing OBDII code C122D may require advanced diagnostic tools and expertise due to its association with the brake system. It is recommended to seek professional help for accurate diagnosis and repair.
5. Is it safe to drive with OBDII code C122D present?
- It is not recommended to drive with OBDII code C122D present, as it can affect the proper functioning of the brake system, potentially compromising vehicle safety.
6. How much does it typically cost to repair OBDII code C122D?
- The cost of repairing OBDII code C122D can vary depending on the underlying cause of the issue, the extent of the repairs needed, and labor rates. It is advisable to obtain quotes from reputable repair shops.
7. Can resetting the OBDII system clear code C122D?
- Resetting the OBDII system may temporarily clear the code C122D, but if the underlying issue is not addressed, the code is likely to return. It is important to diagnose and repair the root cause of the problem.
8. Are there any preventative maintenance tips to avoid OBDII code C122D?
- Keeping up with regular brake system maintenance, such as brake fluid checks and replacements, can help prevent issues that may trigger OBDII code C122D.
9. How long does it take to repair OBDII code C122D?
- The repair time for OBDII code C122D can vary depending on the specific cause of the issue and the complexity of the repair. It is best to consult with a professional technician for an accurate estimate.
10. Can OBDII code C122D affect other vehicle systems?
- OBDII code C122D specifically relates to the active brake booster control circuit and may not directly affect other vehicle systems. However, addressing the issue promptly is essential to prevent potential safety hazards.
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