In August 2023, Isuzu filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Computer (Exhaust Emissions / Noise), covering the Elf. The filing affects 6,137 vehicles manufactured between November 30, 2022 and April 14, 2023.
Overview
| MLIT filing number | 1153610 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | August 3, 2023 |
| Manufacturer(s) | Isuzu |
| Component | Computer (Exhaust Emissions / Noise) |
| Production period | November 30, 2022 — April 14, 2023 |
| Vehicles affected | 6,137 units |
Filing in context
This is the only filing in the archive that cites the Computer (Exhaust Emissions / Noise) as the affected component. This filing is one of 20 Isuzu notifications from 2023 in this archive. For scale, 1,861 of the 4,890 filings in this archive report a larger number of affected vehicles; the vehicles involved here were manufactured over a span of about 4 months.
Defect
On light-duty trucks, the dosing control unit (DCU) contains an improperly designed control program that causes the malfunction indicator (MI) lamp to illuminate or flash in a pattern inconsistent with design intent at ignition-on. As a result, the vehicle does not conform to the on-board diagnostic system (diesel heavy-vehicle J-OBD2) technical standards prescribed in Article 31, Detailed Regulations Article 41, Appended Table 48 of the Safety Standards.
Corrective action
On all vehicles, reprogram the DCU with the corrected/updated software.
Affected models & chassis ranges
This filing lists 45 type code(s). A vehicle is affected if its chassis number falls within one of the ranges below.
| Type code (型式) | Model | Chassis ranges |
|---|---|---|
| 2PG-NKR88R | Elf | NKR88-7024588 — NKR88-7026987 |
| 2PG-NKS88A | Elf | NKS88-7003851 — NKS88-7004255 |
| 2PG-NKS88AN | Elf | NKS88-7003804 — NKS88-7004286 |
| 2PG-NMR88R | Elf | NMR88-7012371 |
| 2PG-NMS88AN | Elf | NMS88-7002010 — NMS88-7002208 |
| 2PG-NPR88AN | Elf | NPR88-7023729 — NPR88-7027064 |
| 2PG-NPR88AR | Elf | NPR88-7023845 — NPR88-7025567 |
| 2PG-NPR88N | Elf | NPR88-7023690 — NPR88-7027051 |
| 2PG-NPS88AN | Elf | NPS88-7002203 — NPS88-7002438 |
| 2PG-NPS88AR | Elf | NPS88-7002202 — NPS88-7002432 |
| 2RG-NHR88A | Elf | NHR88-7003877 — NHR88-7004253 |
| 2RG-NHR88AN | Elf | NHR88-7003876 — NHR88-7004254 |
| 2RG-NHS88A | Elf | NHS88-7002213 — NHS88-7002388 |
| 2RG-NHS88AN | Elf | NHS88-7002214 — NHS88-7002429 |
| 2RG-NJR88A | Elf | NJR88-7013118 — NJR88-7014871 |
| 2RG-NJR88AN | Elf | NJR88-7013176 — NJR88-7014801 |
| 2RG-NJR88N | Elf | NJR88-7013369 — NJR88-7013973 |
| 2RG-NJS88A | Elf | NJS88-7001908 — NJS88-7002128 |
| 2RG-NJS88AN | Elf | NJS88-7001931 — NJS88-7002122 |
| 2RG-NKR88A | Elf | NKR88-7024459 — NKR88-7027427 |
| 2RG-NKR88AN | Elf | NKR88-7024559 — NKR88-7027438 |
| 2RG-NKR88AR | Elf | NKR88-7025197 — NKR88-7026650 |
| 2RG-NKR88N | Elf | NKR88-7024737 — NKR88-7026181 |
| 2RG-NKR88R | Elf | NKR88-7024586 — NKR88-7027355 |
| 2RG-NKS88A | Elf | NKS88-7003810 — NKS88-7004249 |
| 2RG-NKS88AN | Elf | NKS88-7003913 — NKS88-7003999 |
| 2RG-NLR88AN | Elf | NLR88-7012772 — NLR88-7014158 |
| 2RG-NLR88AR | Elf | NLR88-7012796 — NLR88-7014141 |
| 2RG-NLR88N | Elf | NLR88-7012881 — NLR88-7014156 |
| 2RG-NLS88AN | Elf | NLS88-7000832 — NLS88-7000935 |
| 2RG-NLS88AR | Elf | NLS88-7000838 — NLS88-7000926 |
| 2RG-NMR88AN | Elf | NMR88-7012189 — NMR88-7013574 |
| 2RG-NMR88AR | Elf | NMR88-7012190 — NMR88-7013596 |
| 2RG-NMR88N | Elf | NMR88-7012287 — NMR88-7013603 |
| 2RG-NMR88R | Elf | NMR88-7012246 — NMR88-7013580 |
| 2RG-NMS88AN | Elf | NMS88-7002004 — NMS88-7002223 |
| 2RG-NMS88AR | Elf | NMS88-7002019 — NMS88-7002200 |
| 2RG-NNR88AN | Elf | NNR88-7000846 — NNR88-7000949 |
| 2RG-NNR88AR | Elf | NNR88-7000843 — NNR88-7000948 |
| 2RG-NNS88AN | Elf | NNS88-7000082 — NNS88-7000086 |
| 2RG-NPR88AN | Elf | NPR88-7023583 — NPR88-7027090 |
| 2RG-NPR88AR | Elf | NPR88-7023692 — NPR88-7027095 |
| 2RG-NPR88N | Elf | NPR88-7023686 — NPR88-7027070 |
| 2RG-NPS88AN | Elf | NPS88-7002204 — NPS88-7002439 |
| 2RG-NPS88AR | Elf | NPS88-7002218 — NPS88-7002409 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
小型トラックにおいて、ドージングコントロールユニット（ＤＣＵ）の制御プログラムが不適切なため、イグニッションキーオン時の異常表示装置（ＭＩ）の点灯／点滅の作動が設計意図と不一致となっている。そのため、保安基準第３１条の細目告示第４１条別添４８の車載式故障診断装置（ディーゼル重量車Ｊ－ＯＢＤ２）の技術基準を満足しない。
改善措置
全車両、ＤＣＵのプログラムを対策プログラムに修正する。
Source & verification
This entry reproduces public data from Japan's MLIT recall registry. English text is jdmvin.com's own translation; always verify against the official source:
https://renrakuda.mlit.go.jp/renrakuda/ris-detail-car.html?class=recalldatacar&id=3009429
Related recalls
Same manufacturer, close in filing date
Other Isuzu filings closest to this one by filing date.
Engine Control Computer — affects 36 vehicles.
Open recall detail →Body — affects 643 vehicles.
Open recall detail →Other (Frame/Body) — affects 45 vehicles.
Open recall detail →Body — affects 752 vehicles.
Open recall detail →Cooling system — affects 1,950 vehicles.
Open recall detail →Other recalls affecting the same models
Filings whose affected type codes overlap with this one, newest first.
Other — affects 20 vehicles.
Open recall detail →Other — affects 819 vehicles.
Open recall detail →Other — affects 257 vehicles.
Open recall detail →Parking Brake - General — affects 18,641 vehicles.
Open recall detail →Spring / Air Suspension — affects 22,852 vehicles.
Open recall detail →