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🌍 International coverage, work in progress. This European-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.

2012–2020 AUDI A3

1.6L I4 TDI•FWD•diesel•CLHA•turbo
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Control Modules — 2012–2020 Audi A3

Every control module on the 2014-2017 Audi A3 — 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)2.8 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Inside transmission housing (DSG) or mounted on transmission (automatic)
🔧 ODIS with dealer access
⚠️ DSG mechatronic requires fluid service. Adaptation and clutch learning mandatory. Security gateway locked, dealer-only coding.
Electric Power Steering Control Module (EPS)2.2 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Steering column or integrated with steering rack
🔧 ODIS with dealer access
⚠️ Steering angle sensor calibration required. Component protection active.
Body Control Module / Central Electrics (BCM / CE)1.8 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Dashboard, left side behind fuse panel or under driver's side dash
🔧 ODIS with dealer access
⚠️ Controls lighting, central locking, convenience features. Component protection prevents aftermarket coding.
ABS/ESP Control Module (ABS)1.5 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Engine bay, mounted on ABS hydraulic unit near master cylinder
🔧 ODIS with dealer access
⚠️ Brake bleeding required. ESP calibration and steering angle sensor adaptation needed. Security gateway protection.
Gateway Control Module (Gateway / Central Ga)1.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Dashboard, left side behind fuse panel
🔧 ODIS with dealer access
⚠️ Security gateway module. Component protection prevents aftermarket access. Central CAN hub for all modules.
Headlight Control Module / AFS (AFS / Matrix LED)1.5 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Integrated into headlight assemblies
🔧 ODIS with dealer access
⚠️ LED or Matrix LED headlights. Headlight aim calibration required. Component protection active.
Climate Control Module (CCM / Climatronic)1.5 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Behind center dashboard HVAC controls
🔧 ODIS or VCDS with component protection workaround
⚠️ Automatic climate control. May allow limited aftermarket coding depending on model year.
Adaptive Cruise Control Radar Module (ACC)1.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Front bumper, center behind grille
🔧 ODIS with dealer access
⚠️ Optional ACC system. Radar calibration required after replacement. Component protection active.
Door Control Module (DCM)1.2 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Inside door panels, all four doors
🔧 ODIS or VCDS with limited access
⚠️ Controls windows, mirrors, locks. Window initialization required. Component protection may apply.
Engine Control Module (ECM)1.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Engine bay, left side near firewall or top of engine depending on engine variant
🔧 ODIS with dealer access or Autel IM608/IM508 with AutoAuth
⚠️ Security gateway protection active. Immobilizer adaptation requires dealer or advanced tools. Component protection prevents most aftermarket coding.
Infotainment Control Module (MIB / MMI)1.2 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Center dashboard, behind touchscreen display
🔧 ODIS with dealer access
⚠️ MIB (Modular Infotainment Platform) system. Component protection active. Navigation and feature coding dealer-only.
Telematics Control Module (TCU / Audi Connect)1.2 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Behind dashboard, near infotainment unit or in trunk
🔧 ODIS with dealer access
⚠️ Audi Connect services. Requires subscription activation. Component protection active.
Airbag Control Module (ACM)1.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Center console tunnel, under center console or under front seats
🔧 ODIS with dealer access
⚠️ Battery disconnect required. Crash data clearing and VIN coding dealer-only due to security gateway.
Battery Management Control Module (BCM / Energy Managem)1.0 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Battery area or integrated into BCM
🔧 ODIS with dealer access
⚠️ Start-stop system management. Battery registration required after replacement. Component protection active.
Instrument Cluster (IC / Virtual Cockpit)1.0 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Dashboard, behind instrument panel
🔧 ODIS with dealer access
⚠️ Mileage programming dealer-only. Virtual Cockpit on higher trims. Immobilizer data transfer required. Component protection active.
Immobilizer / Kessy Control Module (Kessy)1.0 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Dashboard, center console, or integrated into BCM
🔧 ODIS with dealer access or Autel IM608 with key programming
⚠️ Keyless entry/start system. Key programming dealer-only or requires advanced tools. Component protection active.
Power Liftgate Control Module (Liftgate)1.0 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Rear hatch, integrated into liftgate assembly
🔧 ODIS or VCDS with limited access
⚠️ Optional power liftgate. Height adjustment and initialization required after replacement.
Sound System Amplifier (Amplifier / Bang & O)1.0 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Trunk area or under front seats
🔧 ODIS with dealer access
⚠️ Optional premium sound system. Component protection may apply. Coding required for full functionality.
Park Assist Control Module (PLA / Park Assist)1.0 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Rear cargo area, left or right side panel
🔧 ODIS or VCDS with limited access
⚠️ Optional. Includes park distance control and park assist. Sensor calibration may be needed.
Rear View Camera Control Module (RVC)0.8 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Rear hatch, integrated with camera or separate module in cargo area
🔧 ODIS with dealer access
⚠️ Optional equipment. Camera calibration and coding required after replacement.
Seat Adjustment Control Module (Seat Memory)0.8 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Under driver's and passenger's seats
🔧 VCDS or ODIS
⚠️ Optional power seats with memory. May allow limited aftermarket coding.
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.
🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years.
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