Code Function Location  A14 Engine management ECU B3d  A43 Engine fan speed regulator unit B3d  B21 Combustion engine coolant circuit temperature sensor B3d  B32 Engine cooling fan speed sensor B3d  B37 Boost circuit air pressure and temperature sensors assembly B3d  B39 Air filter pressure and temperature sensor B3d  B51 Combustion engine supercharging pressure sensor B3d  B54 Pressure sensor inside engine block B3d  B118 Combustion engine oil pressure sensor B3d  B119 Engine oil level and temperature sensors unit B3d  B187 Pressure sensor for exhaust injector diesel B3d  B207 Piston cooling oil pressure sensor B3d  B213 Exhaust backpressure sensor B3d  S112 Combustion engine shut down control B3d  Y35 Engine cooling fan regulation solenoid valve B3d  Y103 Exhaust injection solenoid B3d  Y114 Air flow regulation solenoid B3d