P140B

DTC P140B, sometimes indicated as P140B00 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 auxiliary emissions system causing p140b.

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.

PIP5565 - EQUIPMENT
CHEVROLET: This preliminary information communicates that gm engineering is investigating the root cause of dtc P140B setting.