Every control module on the 2024-2026 Audi A6 — 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.
Electric Drive Control Module / Motor Control Unit (MCU / Inverter) 5.0 hr R&R security gateway +2.0 hr ▸ programming details
📍 Integrated with electric motor(s), front and/or rear axle depending on drivetrain (single or dual motor)
🔧 ODIS-E/S + Security Gateway access (dealer-only for high-voltage components)
⚠️ High-voltage component. Requires high-voltage safety lockout and dealer certification. Component protection active; extensive adaptation required.
Single-Speed Transmission Control Module (TCM) 5.0 hr R&R security gateway +1.0 hr ▸ programming details
📍 Integrated with electric motor assembly, front and/or rear
🔧 ODIS-E/S + Security Gateway access
⚠️ Single-speed reduction gearbox per motor. Rarely serviced separately from motor assembly. High-voltage safety procedures required.
Electric Power Steering Control Module (EPS) 3.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Integrated into steering rack assembly, front subframe
🔧 ODIS-E/S + Security Gateway access
⚠️ Steering angle sensor calibration mandatory. Wheel alignment required after replacement.
Climate Control Module / Heat Pump Control (CCM) 3.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Behind dashboard center stack or front trunk area
🔧 ODIS-E/S + Security Gateway access
⚠️ Heat pump system standard for efficiency. Refrigerant handling and calibration required. Dashboard disassembly likely required.
MMI Touch Response / Infotainment Control Module (MMI) 3.0 hr R&R security gateway +1.5 hr ▸ programming details
📍 Behind dashboard center stack, integrated with dual touchscreens
🔧 ODIS-E/S + Security Gateway access
⚠️ Dual-screen setup (14.5-inch upper, 11.9-inch lower) with haptic feedback. Component protection active; software version matching critical.
ABS/ESC Hydraulic Control Unit with Brake Booster (ABS/ESC / iBooster) 2.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Engine compartment equivalent (front trunk area), near brake master cylinder
🔧 ODIS-E/S + Security Gateway access
⚠️ Electric brake booster (iBooster) for regenerative braking integration. Brake bleeding and calibration required. Component protection active.
Body Control Module / Central Electrics (BCM) 2.0 hr R&R security gateway +1.5 hr ▸ programming details
📍 Dashboard left side or integrated with gateway
🔧 ODIS-E/S + Security Gateway access
⚠️ Controls lighting, locking, wipers, convenience functions. Extensive adaptation required.
Central Gateway Control Module (Gateway / SGW) 2.0 hr R&R security gateway +3.0 hr ▸ programming details
📍 Dashboard left side or front trunk area
🔧 ODIS-E/S + Security Gateway access (dealer-only)
⚠️ Security Gateway 4.0 (E3 architecture). Dealer-only replacement; all modules must be re-authenticated. Critical security component.
Thermal Management Control Module (Thermal Management) 2.0 hr R&R security gateway +1.0 hr ▸ programming details
📍 Front trunk area or underfloor near battery
🔧 ODIS-E/S + Security Gateway access
⚠️ Manages cooling/heating for battery, motors, and cabin (heat pump integration). Calibration required after replacement.
Digital Matrix LED / OLED Headlight Control Module (Left/Right) (Digital Matrix LED) 1.8 hr R&R security gateway +0.8 hr ▸ programming details
📍 Integrated into each headlight assembly
🔧 ODIS-E/S + Security Gateway access
⚠️ Second-generation Digital Matrix LED or optional Digital OLED rear lights. Headlight aim calibration required. Sold as left/right pair.
Telematics Communication Unit / 5G Module (TCU) 1.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Behind dashboard or under rear seat
🔧 ODIS-E/S + Security Gateway access
⚠️ 5G connectivity for Audi Connect services and OTA updates. Backend activation required after replacement.
Airbag Control Module (ACM) 1.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Center console tunnel or under front seats
🔧 ODIS-E/S + Security Gateway access
⚠️ Component protection active. Crash data clearing requires all airbag components verified/replaced.
12V Battery Management / DC-DC Converter Control Module (12V BMS / DC-DC) 1.5 hr R&R security gateway +0.5 hr ▸ programming details
📍 Front trunk or under rear seat
🔧 ODIS-E/S + Security Gateway access
⚠️ Converts high-voltage DC to 12V for vehicle systems. 12V battery registration required after replacement.
360-Degree Camera System Control Module (Area View) 1.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Control module under rear seat or front trunk; cameras in front/rear/mirrors
🔧 ODIS-E/S + Security Gateway access
⚠️ Four-camera surround view standard or optional. Camera calibration required after replacement.
Door Control Module (Front Left/Right, Rear Left/Right) (DCM) 1.5 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Inside each door, lower section
🔧 VCDS, Autel, or ODIS-E/S
⚠️ Four modules total. Window auto-up/down relearn may be needed.
Adaptive Cruise Control Radar Sensor (Front) (ACC Radar) 1.5 hr R&R security gateway +1.5 hr ▸ programming details
📍 Front bumper center, behind lower grille or Audi rings
🔧 ODIS-E/S + Security Gateway access + radar alignment
⚠️ Long-range radar for ACC and emergency braking. Precise alignment mandatory after replacement.
Adaptive Air Suspension Control Module (Air Suspension) 1.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Rear trunk area, near wheel well
🔧 ODIS-E/S + Security Gateway access
⚠️ Adaptive air suspension standard or optional depending on trim. Ride height calibration required.
Kessy / Keyless Entry Control Module (Kessy) 1.2 hr R&R security gateway +1.0 hr ▸ programming details
📍 Center console or dashboard
🔧 ODIS-E/S + Security Gateway access
⚠️ All keys must be re-learned. Component protection active. Keyless entry/start standard.
Digital Instrument Cluster / Virtual Cockpit Plus (IC) 1.0 hr R&R security gateway +1.0 hr ▸ programming details
📍 Dashboard, behind steering wheel
🔧 ODIS-E/S + Security Gateway access
⚠️ 11.9-inch curved OLED display. Component protection requires mileage and VIN programming.
Power Trunk / Liftgate Control Module (Trunk Module) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Trunk lid, left or right side
🔧 VCDS, Autel, or ODIS-E/S
⚠️ Power trunk standard. Relearn procedure for limits required.
Park Assist Plus Control Module (PLA) 1.0 hr R&R security gateway +0.5 hr ▸ programming details
📍 Rear quarter panel or under rear bumper
🔧 ODIS-E/S + Security Gateway access
⚠️ Ultrasonic sensors front/rear. Sensor calibration may be required.
Seat Memory Control Module (Driver/Passenger) (Seat Module) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Integrated into seat frame, under seat cushion
🔧 VCDS, Autel, or ODIS-E/S
⚠️ Power seat, memory, heating/ventilation/massage. Basic adaptation usually accessible.
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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