Recall campaign

Recall 21V955000: Power Train:automatic Transmission:control Module (Tcm/pcm/tecm)

Official campaign-level recall information with affected vehicle links and a VIN-first buyer check.

NHTSA recall 21V955000 data summary graphic
21V955000campaign
4affected model pages
09/12/2021recall date

Reviewed June 2026 from NHTSA recall campaign records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Recall summary

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.

Safety risk

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

Recall 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.

Frequently asked questions

What is recall campaign 21V955000?

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.

How do I know if this recall applies to my car?

Use the exact 17-character VIN. A campaign can affect only certain production ranges, trims or equipment configurations.

Are recall repairs free?

Safety recall remedies are generally performed by franchised dealers at no charge when the exact VIN is affected and the remedy is available.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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