AutoCodes – Generic – C1323

C1323 Code - Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault

Quick Answer

The Anti-Lock Brake System (ABS) module sends voltage to the brake pedal travel sensor. Common causes include Faulty Brake Pedal Travel Sensor, Brake Pedal Travel Sensor harness is open or shorted, Brake Pedal Travel Sensor 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
C1323 indicates Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault.
Common causes
Common causes include Faulty Brake Pedal Travel Sensor, Brake Pedal Travel Sensor harness is open or shorted, Brake Pedal Travel Sensor 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.
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Code Popularity 4,928
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 22, 2020
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Code C1323 Description

The Anti-Lock Brake System (ABS) module sends voltage to the brake pedal travel sensor. The sensor is grounded through the ABS module and then the ABS module sends a reference signal to the brake pedal travel sensor. The Anti-Lock Brake System (ABS) Module monitors the Brake Hydraulic Master Cylinder Piston Travel Sensor. The ABS Module sets the OBDII code when the Brake Hydraulic Master Cylinder Piston Travel Sensor is not to factory specifications.
OBDII Code C1323 - Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault - AutoCodes.com
C1323 Code - Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault

What are the Possible Causes of the DTC C1323?

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

How to Fix the DTC C1323?

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 C1323 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 C1323 code?

Need more information on how to fix the C1323 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1323 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • C1323 Ford β€” Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault
  • C1323 Hyundai β€” TPMS Right Front Sensor Over Temperature
  • C1323 KIA β€” TPMS Right Front Sensor Over Temperature
  • C1323 Lincoln β€” Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault
  • C1323 Mercury β€” Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault
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 C1323 Code

1. What are the common symptoms of OBDII code C1323 - Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault?

The common symptoms include the ABS warning light illuminating on the dashboard, potential loss of ABS functionality, and possible issues with brake performance.

2. What could cause the OBDII code C1323 to appear?

This code is typically triggered by a fault in the brake hydraulic master cylinder piston travel sensor 1 signal. Possible causes include sensor malfunctions, wiring issues, or problems with the sensor circuit.

3. How serious is the Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault (OBDII code C1323)?

This fault is considered serious as it can affect the proper functioning of the anti-lock braking system (ABS), potentially compromising the vehicle's braking performance and safety.

4. Can driving with OBDII code C1323 - Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault be dangerous?

Continuing to drive with this fault can be risky, especially in emergency braking situations where ABS assistance may be crucial. It is recommended to address the issue promptly to ensure safe driving.

5. What are some DIY repair tips for addressing OBDII code C1323?

DIY repair tips may include checking the sensor connections for corrosion or damage, inspecting the wiring for any breaks or shorts, and cleaning or replacing the sensor if necessary. However, complex ABS system repairs may require professional assistance.

6. How can I reset OBDII code C1323 - Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault?

Resetting the code can be done using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes. However, it is important to address the underlying issue causing the fault before resetting the code.

7. Is it safe to continue driving if the ABS warning light is on due to OBDII code C1323?

It is not recommended to drive extensively with the ABS warning light on, as it indicates a potential issue with the anti-lock braking system. Prompt attention to the fault is advised to ensure safe driving conditions.

8. How can a mechanic diagnose OBDII code C1323 - Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault?

A mechanic may use a scan tool to read the code, inspect the brake hydraulic master cylinder sensor and its wiring, perform a sensor signal test, and conduct further diagnostics to pinpoint the exact cause of the fault.

9. Can weather conditions affect the occurrence of OBDII code C1323 - Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault?

Extreme weather conditions, such as excessive heat or moisture, may impact sensor performance and contribute to the triggering of this fault code. Ensuring proper sealing and protection of sensor components can help mitigate weather-related issues.

10. How much does it typically cost to repair OBDII code C1323 - Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault?

The cost of repairing this fault can vary depending on the specific cause, labor rates, and parts needed. It is advisable to consult with a professional mechanic for an accurate diagnosis and cost estimate.

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