AutoCodes – Lexus – C1342 Lexus

C1342 Lexus Code - Malfunction In Hydraulic System Front Left

Quick Answer

The Skid Control ECU controls braking force according to the hybrid system regenerative braking force and inputs the fluid pressure necessary for operating each wheel cylinder according to the wheel cylinder pressure sensor. Common causes include Fluid leakage, Faulty Brake Actuator Assembly, Brake Actuator Assembly harness is open or shorted. 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: C1342 Lexus indicates Malfunction In Hydraulic System Front Left.
Common causes: Common causes include Fluid leakage, Faulty Brake Actuator Assembly, Brake Actuator Assembly harness is open or shorted.
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 5,063

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 07, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C1342 Lexus Description

The Skid Control ECU controls braking force according to the hybrid system regenerative braking force and inputs the fluid pressure necessary for operating each wheel cylinder according to the wheel cylinder pressure sensor. DTCs may be stored if brake fluid leaks, wheel cylinder vibrates due to uneven wear of the brake disc rotor, or foreign matter enters the solenoid valve. DTCs may be stored if the line pressure drops during air bleeding.

OBDII Code C1342 Lexus - Malfunction In Hydraulic System Front Left - AutoCodes.com — C1342 Lexus Code - Malfunction In Hydraulic System Front Left

What does this mean?

What are the Possible Causes of the DTC C1342 Lexus?

Fluid leakage
Faulty Brake Actuator Assembly
Brake Actuator Assembly harness is open or shorted
Brake Actuator Assembly circuit poor electrical connection

How to Fix the DTC C1342 Lexus?

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 does this mean?

Code Tech Notes

When replacing the brake pads on an ECB (Electronically Controlled Brake) system equipped vehicle, retracting the caliper's piston and installing new brake pads may cause Diagnostic Trouble Codes (DTCs) to set the next time the brake pedal is depressed. Using an OBDII scanner clear the code and test drive vehicle. If the DTC does not return, the repair is complete. If the DTC returns, perform diagnosis as described in the Repair Manual.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1342 Lexus 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.

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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 C1342 Lexus Code

1. What are common symptoms of OBDII code C1342 in a Lexus indicating a malfunction in the hydraulic system front left?

- Common symptoms include difficulty steering, uneven braking, and potential issues with the vehicle's stability control system.

2. What are the possible causes of OBDII code C1342 in a Lexus?

- The code C1342 can be triggered by issues such as a faulty hydraulic actuator, damaged wheel speed sensor, hydraulic fluid leaks, or problems with the ABS control module.

3. How can I diagnose the cause of OBDII code C1342 in my Lexus?

- Diagnosing the issue may involve performing a visual inspection for leaks, checking the condition of the hydraulic components, testing the wheel speed sensor, and using a diagnostic scanner to read live data.

4. Is it safe to drive my Lexus with OBDII code C1342 present?

- It is not recommended to drive the vehicle with this code active, as it can affect the performance of the vehicle's braking and stability control systems, potentially compromising safety.

5. Can I repair OBDII code C1342 in my Lexus at home?

- While some basic inspections and tests can be done at home, repairing this code often requires specialized tools and expertise, so it is advisable to consult a professional mechanic.

6. How much does it typically cost to repair OBDII code C1342 in a Lexus?

- The cost of repairs can vary depending on the specific cause of the issue, but it may involve expenses related to replacing components like the hydraulic actuator, wheel speed sensor, or ABS control module.

7. Are there any preventive measures to avoid OBDII code C1342 in a Lexus?

- Regular maintenance, including checking the hydraulic system for leaks, monitoring the condition of ABS components, and addressing any warning lights promptly, can help prevent issues leading to this code.

8. Can weather conditions affect the occurrence of OBDII code C1342 in a Lexus?

- Extreme weather conditions, such as severe cold or heat, can potentially impact the performance of hydraulic components and ABS systems, increasing the risk of triggering this code.

9. Will resetting the OBDII code C1342 in my Lexus make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the malfunction is not addressed, the code is likely to reappear during driving.

10. How long does it take to repair OBDII code C1342 in a Lexus?

- The repair time can vary depending on the specific cause of the issue, availability of parts, and the mechanic's workload, but it may take a few hours to a full day to complete the repair.