OBD-II error decoding and troubleshooting options in cars

Fault code P0B38 – motor electronics coolant pump “B” control circuit open

064

Fault code P0B38 is called “Motor Electronics

Fault code P029E – fuel trim, cylinder 2 maximum control limit reached

078

Fault code P029E is called “Fuel Trim (FT), Cylinder

Fault code P022A – charge air cooler bypass control “A” circuit open

060

Fault code P022A is called “Charge Air Cooler

Fault code P2533 – ignition switch run/start position circuit malfunction

070

Fault code P2533 is called “Ignition Switch Run/Start

Fault code P0859 – traction control input signal high

011

Fault code P0859 is called “Traction Control

Fault code B1318 – battery voltage low

098

Fault code B1318 is called “Battery Voltage Low” but in different programs it may be called

Fault code B1421 – solar sensor circuit (passenger side)

0177

Fault code B1421 is called “Solar Sensor Circuit (Passenger Side)” but in different programs

Fault code B1049 – driver air bag module open

070

Fault code B1049 is called “Driver Air Bag Module Open” but in different programs it may

Fault code B2AAA – unsolved problems (common inactive error when there are other errors)

0437

Fault code B2AAA is called “Unsolved Problems (common inactive error when there are other errors)”

Fault code P2191 – system too lean at higher load (Bank 1)

Fault code P2191 is called “System Too Lean At

Fault code P06DE – engine oil pressure control circuit stuck on

Fault code P06DE is called “Engine Oil Pressure

Fault code P012B – turbocharger/supercharger inlet pressure sensor circuit range/performance (downstream of throttle valve)

Fault code P012B is called “Turbocharger/Supercharger

Fault code P062B – internal control module fuel injector control performance

Fault code P062B is called “Internal Control