C122D - Active Brake Booster Control Circuit

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

  • Faulty Active Brake Booster Solenoid
  • Active Brake Booster Solenoid harness is open or shorted
  • Active Brake Booster Solenoid circuit poor electrical connection
  • Faulty Brake Travel Sensor
  • Faulty Anti-Lock Brake System (ABS) Module

Possible symptoms

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

C122d Description

The Anti-Lock Brake System (ABS) Module monitors the Active Brake Booster Solenoid. The ABS Module sets the OBDII code when the Active Brake Booster Solenoid is not to factory specifications.
OBDII Code C122d - Active Brake Booster Control Circuit - AutoCodes.com

C122D Information for specific makes

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