Hino Fault Codes
Hino is Toyota Group’s commercial truck brand, dominant in Class 4-7 medium-duty applications across delivery, vocational, and box truck markets. The J05E and J08E platforms have been the workhorses since 2005, with the newer A05 and A09 engines rolling out in the 2017+ M, L, and XL series. Hino fault codes are read with the Hino DX-II scan tool and follow standard P-code + manufacturer-specific DTC conventions.
70 fault codes documented· 4 engine variants · P-codes + Hino DTCs · 2005 - present
Most Common Hino Fault Codes
Showing 24 of 70 Hino codes, sorted by severity. Each links to causes, diagnostics, common fixes, and repair cost estimates.
HINO-P0087 serious
Fuel Rail / System Pressure Too Low
HINO-P0088 serious
Fuel Rail / System Pressure Too High
HINO-P0089 serious
Fuel Pressure Regulator Performance
HINO-P0093 serious
Fuel System Leak Detected - Large Leak
HINO-P0191 serious
Fuel Rail Pressure Sensor Range/Performance
HINO-P0192 serious
Fuel Rail Pressure Sensor Circuit Low
HINO-P0193 serious
Fuel Rail Pressure Sensor Circuit High
HINO-P0201 serious
Injector Circuit Cylinder 1
HINO-P0202 serious
Injector Circuit Cylinder 2
HINO-P0203 serious
Injector Circuit Cylinder 3
HINO-P0204 serious
Injector Circuit Cylinder 4
HINO-P0205 serious
Injector Circuit Cylinder 5
HINO-P0206 serious
Injector Circuit Cylinder 6
HINO-P0234 serious
Turbocharger Overboost
HINO-P0251 serious
Injection Pump Fuel Metering Malfunction
HINO-P0299 serious
Turbocharger Underboost
HINO-P0335 serious
Crankshaft Position Sensor Circuit
HINO-P0336 serious
Crankshaft Position Sensor Range/Performance
HINO-P0340 serious
Camshaft Position Sensor Circuit
HINO-P0420 serious
Catalyst System Efficiency Below Threshold (DOC)
HINO-P042E serious
EGR Valve Stuck Open
HINO-P0607 serious
Control Module Performance (ECM)
HINO-P132B serious
Turbocharger Boost Control A Performance
HINO-P2002 serious
DPF Efficiency Below Threshold
Hino Engine Versions
| Engine | Years | Applications | Notes |
|---|---|---|---|
| Hino J05E | 2005-present | Hino 195, 268, 268A; Class 4-6 medium-duty | 5.1L I4. Common in city delivery and box trucks. Cummins-style aftertreatment with DPF + SCR after 2010. |
| Hino J08E | 2005-present | Hino 338, 358; Class 7 medium-duty | 8.0L I6. Workhorse for vocational and stake-bed applications. |
| Hino A05 | 2017-present | Hino M5, L6, L7 next-generation | Newer 5.1L architecture replacing J05E. Common-rail injection, cooled EGR, DPF + SCR. |
| Hino A09 | 2017-present | Hino XL7, XL8 (Class 7-8) | 9L I6. Used in Hino’s Class 7-8 push including the XL series. |
Common Hino Issues
- DPF differential pressure faults requiring forced regen via Hino DX scan tool
- DEF / SCR dosing unit failures triggering NOx efficiency derate
- EGR valve sticking from short-trip duty cycles common in delivery applications
- Common-rail fuel pressure sensor and SCV (suction control valve) failures
- Turbo VGT actuator and boost pressure faults
- High-pressure fuel pump wear on high-mileage trucks (often 250K+ miles)