AutoCodes – Generic – C1149

C1149 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
C1149 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 12,492
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 17, 2020
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Code C1149 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 C1149 - Switch-Over Solenoid Valve Line HSV - AutoCodes.com
C1149 Code - Switch-Over Solenoid Valve Line HSV

What are the Possible Causes of the DTC C1149?

  • 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 C1149?

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 C1149 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 C1149 code?

Need more information on how to fix the C1149 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1149 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 C1149 Code

1. What are the common symptoms of OBDII code C1149 related to the Switch-Over Solenoid Valve Line HSV?

The common symptoms of code C1149 may include issues with the vehicle's shifting, such as harsh shifting, delayed shifting, or failure to shift at all.

2. What are the possible causes of OBDII code C1149?

The code C1149 typically indicates a malfunction in the Switch-Over Solenoid Valve Line HSV, which may be caused by a faulty solenoid, damaged wiring, or a defective valve.

3. How can I diagnose the source of OBDII code C1149?

Diagnosing code C1149 usually involves inspecting the solenoid valve, checking the wiring for any damage or loose connections, and testing the valve's functionality using a multimeter.

4. Can I drive my vehicle with OBDII code C1149 present?

It is not recommended to drive your vehicle with code C1149 present, as it can lead to further damage to the transmission system and potentially result in unsafe driving conditions.

5. What are the repair options for OBDII code C1149?

Repairing OBDII code C1149 typically involves replacing the faulty Switch-Over Solenoid Valve Line HSV, repairing any damaged wiring, and clearing the code from the vehicle's system.

6. How much does it cost to fix OBDII code C1149?

The cost of fixing OBDII code C1149 can vary depending on the extent of the damage and the specific parts that need to be replaced. It is advisable to consult a professional mechanic for an accurate estimate.

7. Can a DIY enthusiast fix OBDII code C1149 at home?

While some experienced DIY enthusiasts may be able to diagnose and repair OBDII code C1149, it is recommended to seek the assistance of a qualified mechanic due to the complexity of transmission systems.

8. Are there any preventive measures to avoid OBDII code C1149 from occurring?

Regular maintenance of the transmission system, including fluid checks and servicing, can help prevent issues that may trigger OBDII code C1149 related to the Switch-Over Solenoid Valve Line HSV.

9. How urgent is it to address OBDII code C1149 once detected?

It is advisable to address OBDII code C1149 promptly to prevent further damage to the transmission system and ensure the safety and performance of the vehicle.

10. Can OBDII code C1149 be intermittent or does it require immediate attention?

OBDII code C1149 can sometimes be intermittent, but it should not be ignored. It is important to investigate the root cause of the code and address any underlying issues promptly to avoid potential transmission problems.

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