FixVault

P1A1B - Brake System Control Module - Forced Engine Running

P1A1B - BRAKE SYSTEM CONTROL MODULE - FORCED ENGINE RUNNING

Description:  This DTC indicates the antilock braking system (ABS) module requested the engine on.
Possible Causes: 
  • Intake air system leak
  • Positive crankcase ventilation (PCV) system
  • Vacuum leak
  • Vacuum pump
  • Vacuum pump circuit
Diagnostic Aids:  Check for any unmetered air leaks. Diagnose any air intake system related DTCs.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the P2096 - POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1  Description, Possible Causes and Diagnostic Aids for the DTC.