Every control module on the 2019-2026 Audi S7 — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Transmission Control Module (TCM) 8.5 hr R&R security gateway +1.2 hr ▸ programming details
📍 Inside transmission housing, integrated with valve body (Mechatronic unit)
🔧 ODIS-E/S or Autel IM608 with AutoAuth
⚠️ Security gateway locked; transmission oil change, adaptation, and clutch learning mandatory; component protection
Electric Power Steering Control Module (EPS) 2.5 hr R&R security gateway +0.6 hr ▸ programming details
📍 Steering column, mid-column or lower column
🔧 ODIS-E/S or Autel IM608
⚠️ Steering angle sensor calibration mandatory; security gateway protection
Mild Hybrid Battery Control Module (MHEV) 2.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Under rear cargo floor or near spare tire well
🔧 ODIS-E/S
⚠️ 48V mild hybrid system; high-voltage safety procedures required; component protection
MMI Navigation Plus Control Module (MMI) 2.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Behind center dashboard or in trunk right side
🔧 ODIS-E/S
⚠️ Component protection; firmware and map updates required; touchscreen interface
Climate Control Module (CCM) 2.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Behind center dashboard, above center console
🔧 VCDS or Autel
⚠️ Flap position recalibration required
Central Convenience Control Module (CCM) 2.0 hr R&R security gateway +0.8 hr ▸ programming details
📍 Driver footwell, integrated with fuse panel or behind dashboard
🔧 ODIS-E/S or Autel IM608
⚠️ Security gateway protection; extensive coding for convenience and lighting features
Quattro All-Wheel Drive Control Module (AWD) 2.0 hr R&R security gateway +0.6 hr ▸ programming details
📍 Under vehicle, near rear differential or transmission
🔧 ODIS-E/S
⚠️ Torque distribution adaptation required; security gateway protection
Central Gateway Control Module (CGW) 1.5 hr R&R security gateway +1.5 hr ▸ programming details
📍 Driver footwell, behind fuse panel or under dashboard left side
🔧 ODIS-E/S
⚠️ Security gateway itself; replacement requires dealer-level access and full vehicle reconfiguration
ABS/ESP Control Module (ABS) 1.5 hr R&R security gateway +0.6 hr ▸ programming details
📍 Engine bay, left front near brake master cylinder
🔧 ODIS-E/S or Autel IM608 with AutoAuth
⚠️ Security gateway protection; brake bleeding required; VIN and vehicle configuration coding
Surround View Camera Control Module (SVC) 1.5 hr R&R security gateway +0.5 hr ▸ programming details
📍 Trunk or integrated with MMI; cameras in mirrors, front, and rear
🔧 ODIS-E/S
⚠️ 360-degree camera system; calibration required for all camera angles
Door Control Module (DCM) 1.5 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Inside each door (driver, passenger, rear left, rear right)
🔧 VCDS or Autel
⚠️ Window initialization required
Adaptive Cruise Control Radar Module (ACC) 1.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Behind front grille, center lower
🔧 ODIS-E/S with radar calibration
⚠️ Radar calibration and alignment required; security gateway protection
Adaptive Air Suspension Control Module (CDC) 1.5 hr R&R security gateway +0.6 hr ▸ programming details
📍 Trunk, left or right side panel
🔧 ODIS-E/S or Autel IM608
⚠️ Ride height calibration required; security gateway protection
Matrix LED Headlight Control Module (AFS/Matrix) 1.2 hr R&R aftermarket tool +0.4 hr ▸ programming details
📍 Each headlight assembly (left and right)
🔧 VCDS or Autel
⚠️ Matrix LED technology; headlight range and beam pattern calibration required
Engine Control Module (ECM) 1.2 hr R&R security gateway +1.0 hr ▸ programming details
📍 Engine bay, left side near firewall, under plastic cover
🔧 ODIS-E/S with security gateway unlock (Autel IM608/IM508 with AutoAuth)
⚠️ Security gateway protection; component protection requires dealer or advanced aftermarket tools with OEM authentication
Fuel Pump Control Module (FPCM) 1.2 hr R&R aftermarket tool +0.2 hr ▸ programming details
📍 Under rear seat or in trunk, near fuel tank
🔧 VCDS or Autel
⚠️ Fuel system pressure test recommended
Kessy Control Module / Immobilizer (Kessy) 1.2 hr R&R security gateway +1.2 hr ▸ programming details
📍 Center console or under driver seat
🔧 ODIS-E/S or Autel IM608 with key programming
⚠️ All keys must be reprogrammed; component protection; security gateway locked
Airbag Control Module (ACM) 1.0 hr R&R security gateway +0.6 hr ▸ programming details
📍 Center console, under front seats or behind center trim
🔧 ODIS-E/S or Autel IM608
⚠️ Security gateway protection; crash data clearing and full system verification required
Virtual Cockpit / Instrument Cluster (VC/IC) 1.0 hr R&R security gateway +1.0 hr ▸ programming details
📍 Dashboard, behind steering wheel
🔧 ODIS-E/S
⚠️ Component protection; mileage programming dealer-only; virtual cockpit display unit
Trunk/Liftgate Control Module (TLM) 1.0 hr R&R aftermarket tool +0.2 hr ▸ programming details
📍 Trunk lid, left or right side
🔧 VCDS or Autel
⚠️ Power liftgate calibration if equipped
Park Assist Control Module (PDC) 1.0 hr R&R aftermarket tool +0.2 hr ▸ programming details
📍 Trunk, left side or behind rear bumper
🔧 VCDS or Autel
Telematics Control Module (TCU) 1.0 hr R&R security gateway +0.6 hr ▸ programming details
📍 Trunk, right side or under rear shelf
🔧 ODIS-E/S
⚠️ Audi Connect subscription; LTE/5G connectivity; SIM activation required
Seat Memory Control Module (SMC) 0.8 hr R&R aftermarket tool +0.2 hr ▸ programming details
📍 Under driver and passenger seats
🔧 VCDS or Autel
⚠️ Memory positions lost; reprogramming via user interface
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour?
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