C0166 - TCS Priming Line Valve Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

C0166 Possible Causes

  • Faulty TCS Prime Valve Solenoid
  • TCS Prime Valve Solenoid harness is open or shorted
  • TCS Prime Valve Solenoid circuit poor electrical connection

How do I fix code C0166?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the C0166 code

Labor: 1.0

The cost of diagnosing the C0166 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

C0166 Description

The Master Cylinder Isolation Valve, or TCS Prime Valve Solenoid circuits are supplied with battery power when the ignition is in the RUN position. The Electronic Brake Control Module (EBCM) controls the valve functions by grounding the circuit when necessary.
OBDII Code C0166 - TCS Priming Line Valve Circuit Malfunction - AutoCodes.com

More Information

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