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November 3, 2023 Service bulletin

Transmission Control Module (TCM) Software

Volkswagen technical service bulletin Circ34K1_REV1 for 2018 Volkswagen Golf R.

Bulletin number
Circ34K1_REV1
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
"Transmission Control Module (TCM) Software - Updated repair steps after software update is completed. Added example photos of transmission damage. Added Canadian TSB number to reference if car returns with fault."

Owners of these vehicles have filed 3 complaints in the transmission category.

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