P1B81

DTC P1B81, sometimes indicated as P1B8100 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 transmission (gearbox) causing p1b81.

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.

2068151/3 - EQUIPMENT
BENTLEY: Dtc P1B8100 stored within 006b aerodynamic control unit - no test plan in odis to assist with diagnosis. Customer statement / workshop findings: dtc P1B8100 sored within 006b - aerodynamic control unit - no test plan in odis to assist wi
2068151.2 - STRUCTURE
BENTLEY: Dtc P1B8100 stored within 006b - aerodynamic control unit - no test plan in odis to assist with diagnosis production change: -file error within odis and is currently under investigation
2068151.1 - ENGINE AND ENGINE COOLING
BENTLEY: Dtc P1B8100 stored within 006b - aerodynamic control unit - no test plan in odis to assist with diagnosis technical background: -diagnostic trouble code (dtc) logged in the aerodynamics control unit (address 6b) - the dtc is P1B8100: tbd