In November 2015, Honda filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Continuously Variable Transmission (CVT), covering the N Box, N One. The filing affects 105,351 vehicles manufactured between December 12, 2011 and April 25, 2014.
Overview
| MLIT filing number | 1136710 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | November 12, 2015 |
| Manufacturer(s) | Honda |
| Component | Continuously Variable Transmission (CVT) |
| Production period | December 12, 2011 — April 25, 2014 |
| Vehicles affected | 105,351 units |
Filing in context
The Continuously Variable Transmission (CVT) is the most frequently cited component category in this archive, appearing in 11 of its 4,890 filings. This filing is one of 41 Honda notifications from 2015 in this archive. For scale, 448 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 2 years and 4 months.
Defect
On vehicles equipped with paddle shifters, a software deficiency in the engine control unit (ECU) allows an excessively high load to be applied to the continuously variable transmission (CVT) drive pulley shaft when the driver shifts from 2nd to 1st gear via the paddle shifter during deceleration with the accelerator released. Repeated occurrence of this condition may cause the shaft to fracture. In the worst case, the vehicle may become inoperable.
Corrective action
On all affected vehicles, check the on-board service diagnostic data recorder; if the load history on the drive pulley shaft is within the specified value, reprogram the engine control unit with the corrected/updated software. If the load history exceeds the specified value, replace the CVT with a new unit and reprogram the engine control unit with the corrected/updated software.
Affected models & chassis ranges
This filing lists 4 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 |
|---|---|---|
| DBA-JF1 | Ｎ ＢＯＸ | JF1-2000005 — JF1-2019060; JF1-2100002 — JF1-2132652; JF1-4000002 — JF1-4002828; JF1-4100001 — JF1-4104659; JF1-6100002 — JF1-6102234 |
| DBA-JF2 | Ｎ ＢＯＸ | JF2-2000004 — JF2-2005103; JF2-2100002 — JF2-2106279; JF2-4000002 — JF2-4001042; JF2-4100001 — JF2-4101801 |
| DBA-JG1 | Ｎ ＯＮＥ | JG1-2000009 — JG1-2034206 |
| DBA-JG2 | Ｎ ＯＮＥ | JG2-2000007 — JG2-2005278 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
パドルシフト搭載車において、エンジン制御コンピュータ（ＥＣＵ）のプログラムが不適切なため、アクセルペダルから足を離した減速中にパドルシフト操作により２速から１速へ変速すると、無段変速機のドライブプーリシャフトに高い負荷が加わることがある。そのため、その状態を繰り返すとシャフトが折損し、最悪の場合、走行不能となるおそれがある。
改善措置
全車両、車載のサービス診断記録装置を確認し、ドライブプーリシャフトへの負荷状態が基準値以内の場合は、エンジン制御コンピュータを対策プログラムに書き換える。基準値以外の場合は、無段変速機を新品と交換するとともに、エンジン制御コンピュータを対策プログラムに書き換える。
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=3003642
Related recalls
Same manufacturer, same component
Other Honda filings involving the Continuously Variable Transmission (CVT), closest to this one by filing date.
Continuously Variable Transmission (CVT) — affects 85,390 vehicles.
Open recall detail →Continuously Variable Transmission (CVT) — affects 83,496 vehicles.
Open recall detail →Continuously Variable Transmission (CVT) — affects 1 vehicle.
Open recall detail →Other recalls affecting the same models
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Open recall detail →