What to check under the seat
Record exact message and occurrence conditions; the technician must identify seat type and check accessible connections under the appropriate procedure. Establish whether upholstery, heater mat or entire seat was changed. Smooth upholstery does not show cable condition beneath.
Editorial inspection order.
Applicability and the full analysisWhat is replaced
The remedy distinguishes heater-mat/cable from upholstery/cable replacement according to seat type. One kit is not prescribed for every vehicle. Identify the installed seat and campaign, rather than selecting a part from Allroad alone.
Volkswagen Group of America / NHTSA repository: Part 573 Safety Recall Report 21V-874 / Audi74E3
Applicability and the full analysisFull material about the model
Audi A4 allroad 2017–2020: Passenger airbag off and the seat cableSeat heating, Body Sense and passenger-airbag deactivation: checks and seat-dependent repair scope.