AutoCodes – Infiniti – C1150 Infiniti

C1150 Infiniti Code - Switch-Over Solenoid Valve Line HSV

Quick Answer

VDC Switch-Over Solenoid Valve (USV) (Cut Valve): The cut valve shuts off the normal brake fluid path from the master cylinder when VDC/TCS is activated. Common causes include Faulty ABS Actuator And Electric Unit, ABS Actuator And Electric Unit harness is open or shorted, ABS Actuator And Electric Unit 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: C1150 Infiniti indicates Switch-Over Solenoid Valve Line HSV.
Common causes: Common causes include Faulty ABS Actuator And Electric Unit, ABS Actuator And Electric Unit harness is open or shorted, ABS Actuator And Electric Unit 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 2,084

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Aug 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1150 Infiniti Description

VDC Switch-Over Solenoid Valve (USV) (Cut Valve): The cut valve shuts off the normal brake fluid path from the master cylinder when VDC/TCS is activated. The VDC Switch-Over Solenoid Valve (HSV) (Suction Valve): The suction valve supplies the brake fluid from the master cylinder to the pump, when VDC/TCS is activated. The Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit) monitors the Switch-Over Solenoid. The ABS Actuator And Electric Unit set the OBDII code when the Switch-Over Solenoid is not to factory specifications.

OBDII Code C1150 Infiniti - Switch-Over Solenoid Valve Line HSV - AutoCodes.com — C1150 Infiniti Code - Switch-Over Solenoid Valve Line HSV

What does this mean?

What are the Possible Causes of the DTC C1150 Infiniti?

Faulty ABS Actuator And Electric Unit
ABS Actuator And Electric Unit harness is open or shorted
ABS Actuator And Electric Unit circuit poor electrical connection

How to Fix the DTC C1150 Infiniti?

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 C1150 Infiniti 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 C1150 Infiniti code?

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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 C1150 Infiniti Code

1. What does OBDII code C1150 mean on an Infiniti?

C1150 indicates an issue with the Switch-Over Solenoid Valve Line (HSV), which is part of the vehicle's Anti-Lock Braking System (ABS).

2. What are the symptoms of code C1150 in an Infiniti?

Common symptoms include the ABS warning light being illuminated, reduced braking performance, and possible loss of traction control functionality.

3. What causes code C1150 to appear?

This code is typically caused by a faulty solenoid valve, damaged wiring or connectors in the HSV circuit, or issues with the ABS control module.

4. Can I drive my Infiniti with code C1150?

While the vehicle may still be drivable, the ABS and traction control systems might not function correctly, which could compromise safety in certain situations.

5. How do I diagnose the cause of code C1150?

Check the wiring and connectors for damage, test the solenoid valve for proper operation, and use a scan tool to confirm ABS module functionality.

6. How do I fix code C1150 on an Infiniti?

Repairs may include replacing the faulty solenoid valve, repairing damaged wiring, or, in rare cases, replacing the ABS control module.

7. How much does it cost to fix code C1150 in an Infiniti?

Repair costs can vary but typically range from $150 to $400, depending on whether the issue is with the solenoid valve or other components.

8. Can a weak battery cause code C1150?

A weak or failing battery can cause electrical faults, but it is not a common cause for this specific code. Itâ€™s still worth checking the battery voltage during diagnostics.

9. Does clearing the code fix C1150?

Clearing the code without addressing the root cause will not fix the issue, and the code will likely return.

10. Is code C1150 specific to Infiniti vehicles?

While C1150 is commonly associated with Infiniti models, the exact meaning and diagnosis may vary between manufacturers. Always consult the vehicle-specific repair manual.