17837/P1429 – Circuit for Brake Vacuum Pump: Open Circuit

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON

 

Possible Causes

  • Wiring harness issue
  • Faulty Brake Booster Control Module (J542)

 

Possible Solutions

  • Check fuses
  • Test wiring harness, see repair manual
  • Replace faulty Brake Booster Control Module (J542)