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