HINO · 2018-09-12
SB-18-026 P0300-SERIES DIAGNOSTIC TROUBLE CODE(S). If a truck comes to the dealer for the MIL On (or was recently On) and the Engine Control Unit (ECU) recorded one or more of the P0300-series DTC?s (P0300, P0301, P0302, P0303, P0304, P0305 and P0306), refer to the following steps: