C0166 GMC - TCS Priming Line Valve Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

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

Possible symptoms

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

C0166 Gmc 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 Gmc - TCS Priming Line Valve Circuit Malfunction - AutoCodes.com

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C0166 GMC Comments

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