campaign

NHTSA Recall 21V955000 — Subaru of America, Inc.

Official NHTSA recall 21V955000 covers 4 vehicle applications. Review the reported defect, safety consequence, remedy, and VIN-check next step.

Official identifiers and sources shown at claim level Data refreshed 8/28/2026

answer

What this official recall record says

NHTSA campaign 21V955000 was received on 2021-12-09 and is associated with 136 source rows covering 4 listed vehicle applications. The manufacturer shown in the record is Subaru of America, Inc..

applications
4
campaign number
21V955000
potential units
198,255
manufacturer campaign number
WRK-21

SOURCES

safety

What the owner should do next

Check the VIN in the official recall lookup. If the campaign applies, contact an authorized dealer about the remedy; recall remedies are normally handled through the manufacturer program. If warning signs or unsafe operation are present, stop driving and arrange safe transport.

do not drive
No
park outside
No
vin check required
Yes
recommended channel
dealer

SOURCES

causes

Defect described in the recall record

Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2020 Legacy and Outback vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.

campaign number
21V955000
official record
NHTSA recall

safety

Safety consequence in the official record

An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.

do not drive
No
park outside
No

repair options

Official remedy

Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner notification letters were mailed August 19, 2022. This recall includes all vehicles previously recalled under 19V-855. Vehicles previously recalled under 19V-855 will need to have the new remedy performed for this recall once available. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRK-21.

vin applicability required
Yes
dealer confirmation required
Yes

applicability

Vehicle applications listed for this campaign

The normalized NHTSA rows contain 4 applications across 1 makes and 3 model labels. This list describes campaign records, not confirmation that an individual VIN is open or unrepaired.

listed application count
4

components

  • POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
  • POWER TRAIN:DRIVELINE:CHAIN/BELT

applications

  • SUBARU
  • SUBARU
  • SUBARU
  • SUBARU

SOURCES

methodology

Limits of this database record

Campaign applicability and remedy completion are VIN-specific and can change. This page summarizes the official campaign record; it does not inspect the vehicle, determine whether a symptom is caused by the recalled defect, or replace current instructions from NHTSA or the manufacturer.

source rows
136
vin check required
Yes
individual vehicle verified
No