C1423 Code - Master Cylinder Pressure Sensor Zero Point Low Malfunction
Quick Answer
The Master Cylinder Pressure Sensor is connected to the Skid Control ECU (Brake Actuator Assembly). Common causes include Faulty Brake Actuator Assembly (Master Cylinder Pressure Sensor), Brake Actuator Assembly harness is open or shorted, Brake Actuator Assembly 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
- C1423 indicates Master Cylinder Pressure Sensor Zero Point Low Malfunction.
- Common causes
- Common causes include Faulty Brake Actuator Assembly (Master Cylinder Pressure Sensor), Brake Actuator Assembly harness is open or shorted, Brake Actuator Assembly 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.
Code C1423 Description
What are the Possible Causes of the DTC C1423?
- Faulty Brake Actuator Assembly (Master Cylinder Pressure Sensor)
- Brake Actuator Assembly harness is open or shorted
- Brake Actuator Assembly circuit poor electrical connection
How to Fix the DTC C1423?
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 C1423 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 C1423 code?
Need more information on how to fix the C1423 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C1423 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1423 Lexus — Master Cylinder Pressure Sensor Zero Point Low Malfunction
- C1423 Scion — Master Cylinder Pressure Sensor Zero Point Low Malfunction
- C1423 Toyota — Master Cylinder Pressure Sensor Zero Point Low Malfunction
Frequently Asked Questions about C1423 Code
1. What are the common symptoms of OBDII code C1423 (Master Cylinder Pressure Sensor Zero Point Low Malfunction)?
- Common symptoms include the illumination of the Check Engine light, spongy or unresponsive brake pedal, and potential loss of brake performance.
2. What can cause the OBDII code C1423 to occur?
- The code C1423 can be triggered by issues such as a faulty master cylinder pressure sensor, low brake fluid levels, air bubbles in the brake system, or wiring/connectivity problems.
3. How serious is the OBDII code C1423 (Master Cylinder Pressure Sensor Zero Point Low Malfunction)?
- This code should be addressed promptly as it can affect the proper functioning of the brake system, potentially compromising vehicle safety.
4. What should I do if I encounter the OBDII code C1423?
- If you encounter code C1423, it is recommended to have your vehicle diagnosed by a qualified mechanic to pinpoint the exact cause and address the issue promptly.
5. Can I continue driving my vehicle with the OBDII code C1423 present?
- It is not advisable to continue driving with the code C1423 active, as it may lead to brake performance issues and compromise vehicle safety.
6. How can I diagnose and repair the OBDII code C1423 at home?
- Diagnosing and repairing code C1423 may require specialized tools and expertise. It is recommended to consult a professional mechanic for an accurate diagnosis and repair.
7. Will resetting the OBDII code C1423 make it go away permanently?
- Resetting the code may temporarily clear the Check Engine light, but if the underlying issue causing code C1423 is not addressed, the code is likely to reappear.
8. Are there any preventive maintenance tips to avoid OBDII code C1423?
- Regularly checking and maintaining proper brake fluid levels, ensuring brake system components are in good condition, and addressing any brake-related issues promptly can help prevent code C1423.
9. Can a DIY enthusiast replace the master cylinder pressure sensor to resolve code C1423?
- While it is possible for a skilled DIY enthusiast to replace the sensor, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.
10. How much does it typically cost to repair OBDII code C1423?
- The cost to repair code C1423 can vary depending on the underlying cause, parts needed, and labor costs. It is advisable to obtain estimates from reputable mechanics or repair shops.
Discuss the causes and fixes for C1423 OBDII Code
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