AutoCodes – Toyota – C1422 2014 Toyota RAV4

C1422 2014 Toyota RAV4 Code - Master Cylinder Pressure Sensor Zero Point High Malfunction

Quick Answer

The Master Cylinder Pressure Sensor is connected to the Skid Control ECU (Brake Actuator Assembly) in the Brake Actuator Assembly. Common causes include Faulty Stop Light Switch Assembly, Stop Light Switch Assembly harness is open or shorted, Stop Light Switch 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
C1422 2014 Toyota RAV4 indicates Master Cylinder Pressure Sensor Zero Point High Malfunction.
Common causes
Common causes include Faulty Stop Light Switch Assembly, Stop Light Switch Assembly harness is open or shorted, Stop Light Switch 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 402
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 29, 2023
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code C1422 2014 Toyota RAV4 Description

The Master Cylinder Pressure Sensor is connected to the Skid Control ECU (Brake Actuator Assembly) in the Brake Actuator Assembly. The Skid Control ECU monitors the Master Cylinder Pressure Sensor. The Skid Control ECU sets the OBDII code when the Master Cylinder Pressure Sensor is not to factory specifications.
OBDII Code C1422 2014 Toyota RAV4 - Master Cylinder Pressure Sensor Zero Point High Malfunction - AutoCodes.com
C1422 2014 Toyota RAV4 Code - Master Cylinder Pressure Sensor Zero Point High Malfunction

What are the Possible Causes of the DTC C1422 2014 Toyota RAV4?

  • Faulty Stop Light Switch Assembly
  • Stop Light Switch Assembly harness is open or shorted
  • Stop Light Switch Assembly circuit poor electrical connection
  • Faulty Skid Control ECU (Brake Actuator Assembly)

How to Fix the DTC C1422 2014 Toyota RAV4?

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 C1422 2014 Toyota RAV4 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 C1422 2014 Toyota RAV4 code?

Need more information on how to fix the C1422 2014 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1422 2014 Toyota RAV4 code diagnosed by a professional: Find a repair shop in your area

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 C1422 2014 Toyota RAV4 Code

1. What does the OBDII code C1422 mean on a 2014 Toyota RAV4?

C1422 indicates a "Master Cylinder Pressure Sensor Zero Point High Malfunction," meaning the brake system's master cylinder pressure sensor is not calibrated correctly or is reading out of range.

2. What are the common symptoms of code C1422 in a Toyota RAV4?

Symptoms may include the ABS light or brake warning light illuminating, reduced braking performance, or issues with traction control.

3. What causes the C1422 code to appear?

Common causes include a faulty master cylinder pressure sensor, incorrect zero point calibration, wiring issues, or a malfunction in the ABS module.

4. Can I drive my Toyota RAV4 with a C1422 code?

Driving with this code is not recommended as it can affect braking performance and traction control, potentially compromising safety.

5. How is the C1422 code diagnosed?

A technician will use a scan tool to check the ABS system, inspect the master cylinder pressure sensor and wiring, and verify if the zero point calibration is correct.

6. How do you fix code C1422 on a 2014 Toyota RAV4?

Repairs may involve recalibrating the master cylinder pressure sensor, repairing or replacing damaged wires, or replacing the sensor if it is faulty.

7. What is zero point calibration for the master cylinder pressure sensor?

Zero point calibration sets the sensor's baseline reading to ensure accurate pressure measurements. If incorrect, it can trigger the C1422 code.

8. Can a weak battery cause the C1422 code to appear?

Yes, a weak or failing battery can cause electrical issues that may affect the ABS system and trigger this code.

9. How much does it typically cost to repair code C1422 on a Toyota RAV4?

Repair costs can vary but may range from $150 to $500 depending on whether recalibration, wiring repair, or sensor replacement is needed.

10. Is a scan tool required to fix the C1422 code?

Yes, a scan tool capable of accessing the ABS system is needed to diagnose the issue and perform zero point calibration if necessary.

Discuss the causes and fixes for C1422 2014 Toyota RAV4 OBDII Code

Code C1422 2014 Toyota RAV4 comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play