P1A1B - Brake System Control Module Forced Engine Running
- Intake air system leak
- Positive crankcase ventilation (PCV) system
- Vacuum leak
- Vacuum pump
- Vacuum pump circuit
- Engine Light ON (or Service Engine Soon Warning Light)
P1a1b DescriptionThis code sets when the Anti-Lock Brake System (ABS) module requested the engine on.
P1A1B Information for specific makes
Need more help?Get the P1a1b code diagnosed by a professional: Find a repair shop in your area
P1A1B CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1a1b code? Have you replaced any parts?
Any information is appreciated. Thanks