OBDII Code List

C1166 INFINITI - Suction Valve 1

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

Possible causes

  • Faulty Anti-Lock Brake System (ABS) Actuator and Electric Unit (Control Unit)
  • ABS Actuator and Electric Unit harness is open or shorted
  • ABS Actuator and Electric Unit circuit poor electrical connection

When is the code detected?

Front side VDC switch-over solenoid valve (suction valve 1) is open or shorted, or control line is open or shorted to power supply or ground.

Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C1166 Infiniti Description

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 Suction Valve. ABS Actuator and Electric Unit sets the OBDII code when the Suction Valve is not to factory specifications.
OBDII Code C1166 Infiniti - Suction Valve 1 -

Need more help?

Get the C1166 Infiniti code diagnosed by a professional: Find a repair shop in your area

Related Information

C1166 INFINITI Comments

Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the C1166 Infiniti code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧