Engine-CodesGeneric – C1623

C1623 Code - Brake Controlled System Malfunction

Quick Answer

The C1623 code indicates a Brake Controlled System Malfunction in the vehicle. Common causes include Faulty ABS sensors, Damaged wiring in the brake control system, Malfunctioning ABS control module. 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
C1623 indicates Brake Controlled System Malfunction.
Common causes
Common causes include Faulty ABS sensors, Damaged wiring in the brake control system, Malfunctioning ABS control module.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code C1623 Description

The C1623 code indicates a Brake Controlled System Malfunction in the vehicle. This means that there is an issue with the brake control system, which is responsible for managing the vehicle's braking performance. The brake control system includes components such as the Anti-Lock Braking System (ABS), traction control system, electronic stability control, and brake assist system.

OBDII Code C1623 - Brake Controlled System Malfunction
C1623 Code - Brake Controlled System Malfunction

Common Causes of C1623

  1. Faulty ABS sensors
  2. Damaged wiring in the brake control system
  3. Malfunctioning ABS control module
  4. Issues with the hydraulic brake system
  5. Low brake fluid levels

Symptoms of C1623

  1. Illuminated ABS warning light on the dashboard
  2. Increased stopping distances
  3. Loss of traction on slippery surfaces
  4. ABS system activating unexpectedly during normal braking
  5. Unusual noises coming from the brakes during operation

How to Fix C1623

  1. Perform a diagnostic scan to retrieve the specific fault codes and identify the root cause of the issue.
  2. Inspect the ABS sensors and wiring for any damage or corrosion, replacing any faulty components.
  3. Check the brake fluid levels and top up if necessary.
  4. Test the ABS system to ensure proper functionality and reset the system to clear the fault codes.
  5. If the issue persists, consult a professional mechanic for further troubleshooting and repairs.

Cost to Fix C1623

The cost of repairing a Brake Controlled System Malfunction can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the repair costs for this issue can range from $200 to $800, including parts and labor. However, it is important to note that the actual cost may be higher or lower based on factors such as the vehicle make and model, the location of the repair shop, and the severity of the problem. It is recommended to obtain multiple quotes from reputable auto repair shops to get a more accurate estimate for the repair.

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Code C1623 Information for Specific Makes

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 C1623 Code

1. What are the common symptoms of OBDII code C1623 (Brake Controlled System Malfunction)?

- Common symptoms include the ABS warning light illuminating on the dashboard, reduced braking performance, and potential traction control issues.

2. What are some possible causes of OBDII code C1623?

- Potential causes include faulty ABS sensors, damaged wiring or connections in the brake control system, or issues with the ABS control module.

3. How can I diagnose the Brake Controlled System Malfunction associated with code C1623?

- Diagnosis typically involves using a professional OBDII scanner to read the fault codes, conducting a visual inspection of brake system components, and performing specific tests on the ABS sensors and control module.

4. What are some basic repair tips for addressing OBDII code C1623?

- Basic repair tips may include checking and cleaning ABS sensors, inspecting wiring for damage, ensuring proper connections, and resetting the fault code after making any necessary repairs.

5. Can OBDII code C1623 be a serious safety concern?

- Yes, OBDII code C1623 indicating a Brake Controlled System Malfunction can be a serious safety concern as it may impact the vehicle's braking performance and overall stability.

6. How urgent is it to address OBDII code C1623 once it appears?

- It is important to address OBDII code C1623 promptly to ensure the proper functioning of the brake control system and maintain safe driving conditions.

7. Are there any DIY fixes for OBDII code C1623, or should I seek professional help?

- While basic checks and cleaning of ABS sensors are possible as DIY fixes, complex issues related to the ABS control module or wiring may require professional diagnosis and repair.

8. Can severe weather conditions or road debris trigger OBDII code C1623?

- Yes, extreme weather conditions or road debris causing damage to ABS sensors or wiring can potentially trigger OBDII code C1623 related to a Brake Controlled System Malfunction.

9. What role does the Brake Controlled System play in vehicle safety?

- The Brake Controlled System, including ABS and traction control, plays a crucial role in enhancing vehicle safety by preventing wheel lock-up during braking and maintaining stability in various driving conditions.

10. Is it safe to drive with OBDII code C1623 present?

- It is not recommended to drive with OBDII code C1623 present, as it indicates a malfunction in the Brake Controlled System that could compromise braking performance and overall safety.

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