Every control module on the 2022-2026 Audi RS3 — 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) 6.5 hr R&R security gateway +1.2 hr ▸ programming details
📍 Transmission housing, integrated mechatronic unit
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ DQ500 7-speed DSG; requires transmission removal; adaptation and clutch learning mandatory; online authentication
All-Wheel Drive Control Module (AWD) 3.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Rear differential housing, integrated
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Quattro system; torque distribution adaptation required; online authentication
Electric Power Steering Control Module (EPS) 2.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Steering column, integrated with assist motor
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Steering angle sensor calibration mandatory after replacement; online authentication
MMI Control Module (MMI) 2.0 hr R&R security gateway +0.7 hr ▸ programming details
📍 Dashboard, center stack behind display
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ MMI Navigation Plus with MIB 3; component protection locks to VIN; online authentication required
ABS/ESP Control Module (ABS) 1.8 hr R&R security gateway +0.8 hr ▸ programming details
📍 Engine bay, left front near brake master cylinder
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Integrated ESP and brake assist; brake bleed required after replacement; online authentication
Central Gateway Control Module (CGW) 1.5 hr R&R security gateway +2.0 hr ▸ programming details
📍 Dashboard, left side behind fuse panel
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Enhanced security gateway (SGW 3.0); controls all module access; replacement requires dealer online authentication and VIN assignment
Climate Control Module (CCM) 1.5 hr R&R dealer / factory tool +0.4 hr ▸ programming details
📍 Dashboard, center behind HVAC controls
🔧 VAS 6154/6155 with ODIS-E
⚠️ Automatic climate control; basic adaptation may be accessible via advanced aftermarket tools
Body Control Module / Central Electrics (BCM) 1.3 hr R&R security gateway +0.9 hr ▸ programming details
📍 Dashboard, left side behind fuse panel
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Controls convenience functions, lighting, wipers; extensive adaptation required; online authentication
Engine Control Module (ECM) 1.2 hr R&R security gateway +1.0 hr ▸ programming details
📍 Engine bay, left side firewall behind battery
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ 2.5L TFSI inline-5; enhanced security gateway; immobilizer pairing and online authentication required
Headlight Control Module (Left/Right) (HCM) 1.2 hr R&R security gateway +0.5 hr ▸ programming details
📍 Inside each headlight assembly
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Matrix LED; adaptive lighting calibration required; sold per side; online authentication
Adaptive Cruise Control Radar Module (ACC) 1.2 hr R&R security gateway +0.8 hr ▸ programming details
📍 Front grille, center behind emblem
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Front radar sensor; calibration required after replacement; online authentication
Surround View Camera Control Module (SVC) 1.0 hr R&R security gateway +0.6 hr ▸ programming details
📍 Rear cargo area, center under floor
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ 360-degree camera system; calibration required; online authentication
Instrument Cluster (IC) 1.0 hr R&R security gateway +1.0 hr ▸ programming details
📍 Dashboard, behind steering wheel
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Virtual Cockpit Plus (12.3-inch); mileage programming and immobilizer sync required; online authentication
Door Control Module (per door) (DCM) 1.0 hr R&R dealer / factory tool +0.3 hr ▸ programming details
📍 Inside each door panel
🔧 VAS 6154/6155 with ODIS-E
⚠️ Window auto-up/down relearn required; sold per door
Kessy Control Module / Immobilizer (Kessy) 1.0 hr R&R security gateway +1.2 hr ▸ programming details
📍 Dashboard, center behind steering column
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Keyless entry/start; key programming requires dealer-level security access and online authentication
Adaptive Damping Control Module (CDC) 1.0 hr R&R security gateway +0.7 hr ▸ programming details
📍 Rear cargo area, center under floor
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Magnetic Ride; ride height and damping calibration required; online authentication
Airbag Control Module (ACM) 0.9 hr R&R security gateway +0.6 hr ▸ programming details
📍 Center console, under front seats
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Crash data must be cleared; seat occupancy sensor calibration required; online authentication
Seat Memory Control Module (Driver/Passenger) (SMC) 0.8 hr R&R dealer / factory tool +0.3 hr ▸ programming details
📍 Under front seats
🔧 VAS 6154/6155 with ODIS-E
⚠️ Memory, heating, and ventilation functions; sold per seat
Telematics Control Module (TCU) 0.8 hr R&R security gateway +0.5 hr ▸ programming details
📍 Rear cargo area, left side panel
🔧 VAS 6154/6155 with ODIS-E + AutoAuth
⚠️ Audi Connect services; SIM card and subscription management; online authentication
Park Assist Control Module (PDC) 0.7 hr R&R dealer / factory tool +0.3 hr ▸ programming details
📍 Rear cargo area, right side panel
🔧 VAS 6154/6155 with ODIS-E
⚠️ Ultrasonic sensors; calibration usually automatic; may require dealer tool for advanced features
Fuel Pump Control Module (FPCM) 0.6 hr R&R no coding
📍 Under rear seat, above fuel tank
Battery Management Control Module (BMC) 0.5 hr R&R dealer / factory tool +0.3 hr ▸ programming details
📍 Engine bay, on battery or nearby
🔧 VAS 6154/6155 with ODIS-E
⚠️ Battery registration required after replacement
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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