🌍 International coverage, work in progress. This Russian-market vehicle is part of our hand-curated international catalog. We are filling in labor times, torque specs and fluids as fast as we can verify them, so some numbers may be missing or marked estimated for now. Do you work on these vehicles in the EU, Russia, or the JDM scene? Help us get it right: send real shop times or corrections to [email protected], or request the data you need and it joins the verification queue.

2021 AUDI S3

2.0L Turbo I4AWDDCTgasDNWAturbo
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Dead battery / stuck in Park? Emergency neutral procedure for this S3
Every control module on the 2021-2026 Audi S3 — 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/Mechatronic)6.5 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Inside transmission (DQ381 DSG mechatronic unit)
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Requires transmission oil change; adaptation and clutch learning procedure mandatory; online authentication required
Electric Power Steering Control Module (EPS)1.8 hr R&Rsecurity gateway +0.6 hr▸ programming details
📍 Steering column, lower section
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Steering angle sensor calibration mandatory; online authentication required
ABS/ESP Control Module (ABS)1.5 hr R&Rsecurity gateway +0.6 hr▸ programming details
📍 Engine bay, left front near brake master cylinder
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Brake bleeding required; steering angle sensor calibration needed; online authentication required
Infotainment Control Module / MIB3 (MMI)1.5 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Dashboard, center behind touchscreen
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Enhanced component protection; navigation data transfer required; online authentication required
Engine Control Module (ECM)1.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Engine bay, left side firewall behind battery
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Enhanced component protection; online authentication required; immobilizer pairing mandatory
Climate Control Module (CCM)1.2 hr R&Rdealer / factory tool +0.4 hr▸ programming details
📍 Dashboard, center behind climate control panel
🔧 VAS 6154/ODIS
⚠️ Some coding possible with VCDS but dealer tool recommended
Body Control Module / Central Electrics (BCM)1.0 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Dashboard, left side behind fuse panel
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Controls convenience functions; key adaptation required; online authentication required
Central Gateway Control Module (Gateway)1.0 hr R&Rsecurity gateway +2.0 hr▸ programming details
📍 Dashboard, left side behind fuse panel
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Enhanced security gateway; all modules require recoding after replacement; VIN programming mandatory; online authentication required
Adaptive Cruise Control Radar Module (ACC)1.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Front bumper, center behind grille
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Radar calibration required; online authentication required; part of ADAS suite
Airbag Control Module (ACM)0.8 hr R&Rsecurity gateway +0.6 hr▸ programming details
📍 Center console tunnel, under front seats
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Crash data must be cleared; enhanced component protection; online authentication required
Door Control Module (per door) (DCM)0.8 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Inside each door panel
🔧 VCDS/OBDeleven
⚠️ Window initialization required after replacement
Kessy / Keyless Access Control Module (Kessy)0.8 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Dashboard, center console area
🔧 VAS 6154/ODIS + AutoAuth
⚠️ All keys must be reprogrammed; enhanced component protection; online authentication required
Adaptive Damping Control Module (DCC)0.8 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Rear trunk area, left side
🔧 VAS 6154/ODIS
⚠️ Optional equipment; damper calibration required
Virtual Cockpit / Instrument Cluster (IC)0.7 hr R&Rsecurity gateway +0.6 hr▸ programming details
📍 Dashboard, behind steering wheel
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Mileage programming required; enhanced component protection; online authentication required
Park Assist Control Module (PDC)0.7 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Rear left trunk area
🔧 VAS 6154/ODIS
⚠️ Some functions accessible with VCDS
Telematics Communication Module (TCU)0.7 hr R&Rsecurity gateway +0.6 hr▸ programming details
📍 Rear trunk area, right side or under rear seat
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Audi Connect subscription activation required; online authentication required
Front Camera / Lane Assist Module (FCA)0.6 hr R&Rsecurity gateway +0.6 hr▸ programming details
📍 Windshield, behind rearview mirror
🔧 VAS 6154/ODIS + AutoAuth
⚠️ ADAS calibration required; windshield replacement requires recalibration; online authentication required
Trailer Module (TM)0.6 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Rear left trunk area
🔧 VAS 6154/ODIS
⚠️ Optional equipment; trailer detection and lighting control
Matrix LED Headlight Control Module (Left/Right) (LCM/RCM)0.5 hr R&Rsecurity gateway +0.4 hr▸ programming details
📍 Inside each headlight assembly
🔧 VAS 6154/ODIS + AutoAuth
⚠️ Matrix LED calibration required; sold as part of headlight assembly; online authentication required
Seat Memory Control Module (Driver/Passenger) (SMC)0.5 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Under front seats
🔧 VCDS/OBDeleven
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? Tell us — corrections ship fast here.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years.
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