167-R1808-02
Service Bulletin/Repair Instructions
CAB OVER ENGINE (COE) ECU, DCU AND VCS SOFTWARE UPDATE
Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
167-R1808-02
CAB OVER ENGINE (COE) ECU, DCU AND VCS SOFTWARE UPDATE
167-B1802-04
Enhanced engine ECU (Electronic Control Unit) software has been made available to address the following conditions: 1. The engine ECU (Electronic Control Unit) may falsely detect and store the following DTC (Diagnostic Trouble Code): P24FE: Removal of DEF SCR catalyst Revised engine ECU software has been made available to prevent this false detection. If DTC P24FE is found stored in the engine ECU, reprogram the ECU to the software level listed in this bulletin.
167-R1701-11
The engine ECU (Engine Control Unit) on all 2016MY-2018MY trucks contained in dealer inventory need to be reprogrammed prior to delivery. Subject vehicles contain an error in the DEF monitoring program. To eliminate this situation, it is necessary to reprogram the engine ECU with improved software prior to sale of the vehicle.
167-T1702-05
TT-17-009 Beginning with 2017 model year, all Hino vehicles are equipped with a particulate matter (PM) sensor near the exhaust exit. A ceramic sensing element is used in the PM sensor and can be damaged or broken if the sensor is dropped or impact occurs to the head of the sensor. If removal or replacement of the PM sensor is necessary, care should be taken with both the old and new sensors to prevent any damage or additional damage to the sensor. For warranty consideration, the PM sensor MUST be returned in the original box and the plastic protective cap installed. 2017 and 2018 model year Conventional trucks and COE (Cab Over Engine) trucks.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.