P1A1B

DTC P1A1B, sometimes indicated as P1A1B00 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the causing p1a1b.

DTC Trouble Code Search

Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

TSB-22353 - EXTERIOR LIGHTING:BRAKE LIGHTS
MERCURY: Ford: due to a possible leak in the internal check valve, the red brake lamp illuminates with diagnostic trouble code (dtc) C1015, C0101c or P1A1B with brake pedal feeling no change. *pe