167-B1417-12

Group:
Bulletin No.:
Issue Date:
TECHNICAL
11-Engine
SB-14-004
06-17-2014
SERVICE BULLETIN
14MY Conventional Truck – Manual Transmission – P026C DTC
OVERVIEW
In the event that a subject vehicle exhibits an illuminated Malfunction Indicator Lamp (MIL) and a P026C
(Abnormal Injection Quantity) DTC is stored in the engine ECU, enhanced ECU software is available to correct
this concern.
SUBJECT VEHICLES
Certain 2014 model year Hino Conventional NE8J, NJ8J, and NV8J vehicles equipped with an Eaton six speed
manual transmission.
REPAIR PROCEDURE
1. Connect a battery charger to the vehicle and your laptop to maintain a proper state of charge during the
reprogramming sequence.
2. Turn the starter switch to the “ON” position. Update the Engine ECU to the latest software level using the
Hino Diagnostic eXplorer II (Hino DX2). Refer to the following table for the appropriate software part number
for the application.
SOFTWARE INFORMATION
Description
New Software Part No.
14MY J08EVC
14MY J08EVB
89663-E3011
89663-E3021
3. Proceed to the final inspection section to complete this Technical Service Bulletin (TSB).
FINAL INSPECTION:
1. To complete this software update procedure, review the TSB and confirm the following:
 When reprogramming the Engine ECU, DTC’s may have inadvertently been set in
other control modules. Using the Hino DX2, ensure all codes have been cleared from
all modules and the MIL is not illuminated prior to releasing the truck back to the
customer.
CLAIM APPLICATION:
* Reimbursable in accordance within the terms and policies of the Hino Truck limited warranties.
Engine ECU Software Update:
a) Labor charge: 0.8 hours
b) Warranty code: 8631140
c) Operation code: 86350AOT
d) Original failed part: 9999999999
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Vendor Ref.: HMM-140508-B2