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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.

2003–2012 AUDI A3

1.6L I4 TDI CR•FWD•diesel•CAYC•turbo
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Control Modules — 2003–2012 Audi A3

Every control module on the 2008-2013 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)2.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Inside transmission housing (DSG) or mounted externally on transmission bell housing (automatic)
🔧 VAS 5051/5052 or ODIS
⚠️ DSG mechatronic units require transmission fluid drain and refill. Adaptation and clutch learning procedures mandatory after replacement.
Electromechanical Power Steering Control Module (EPS)2.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Steering column, integrated with steering rack or column assembly
🔧 VAS 5051/5052 or ODIS
⚠️ Steering angle sensor calibration required. Some models use hydraulic power steering without module.
ABS/ESP Control Module (ABS)1.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Engine bay, mounted on ABS hydraulic unit near master cylinder
🔧 VAS 5051/5052 or ODIS, VCDS for basic functions
⚠️ Brake bleeding required after replacement. ESP calibration and steering angle sensor adaptation needed.
Central Convenience Control Module (CCM / Comfort Module)1.5 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Driver's side footwell, behind kick panel or under dashboard
🔧 VAS 5051/5052 or ODIS, VCDS for most functions
⚠️ Controls central locking, windows, lighting. Long coding for convenience features. Key adaptation required.
Climate Control Module (CCM)1.5 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Behind center dashboard HVAC controls
🔧 VCDS or VAS 5051/5052
⚠️ Climatronic automatic climate control. Basic adaptation usually sufficient.
Door Control Module (DCM)1.2 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Inside door panel, driver's and passenger's doors
🔧 VCDS or VAS 5051/5052
⚠️ Controls power windows, mirrors, locks per door. May require window initialization after replacement.
Engine Control Module (ECM)1.2 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Engine bay, left side near firewall or mounted on top of engine depending on engine variant
🔧 VAS 5051/5052 or ODIS, VCDS (Ross-Tech) for most functions
⚠️ Immobilizer adaptation requires dealer-level access or EEPROM programming. 2.0T FSI/TSI variants have different ECM locations.
Gateway Control Module (Gateway)1.2 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Dashboard, left side behind fuse panel or under driver's side dash
🔧 VAS 5051/5052 or ODIS
⚠️ Central communication hub. Component protection may prevent aftermarket coding on later model years (2011+).
Adaptive Headlight Range Control Module (AFS)1.2 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Engine bay, near headlight assemblies or integrated into headlight units
🔧 VCDS or VAS 5051/5052
⚠️ Optional Xenon/Bi-Xenon adaptive lighting. Headlight aim calibration required after replacement.
Airbag Control Module (ACM)1.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Center console tunnel, under center console trim or under front seats
🔧 VAS 5051/5052 or ODIS, VCDS possible
⚠️ Battery disconnect required. Crash data must be cleared. Some units may require VIN coding.
Fuel Pump Control Module (FPCM)1.0 hr R&Rno coding
📍 Under rear seat or in trunk area, near fuel tank
⚠️ Controls fuel pump operation. Usually plug-and-play, no coding required.
Park Distance Control Module (PDC)1.0 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Rear cargo area, left or right side panel behind trim
🔧 VCDS or VAS 5051/5052
⚠️ Optional equipment. Sensor calibration may be needed.
Telephone Control Module (Phone)1.0 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Center console or behind dashboard, near radio
🔧 VCDS or VAS 5051/5052
⚠️ Optional Bluetooth phone prep or integrated phone system. Pairing required after replacement.
Instrument Cluster (IC)0.8 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Dashboard, behind instrument panel
🔧 VAS 5051/5052 or ODIS
⚠️ Mileage programming requires dealer access or EEPROM work. Immobilizer data transfer required. Long coding for feature activation.
Radio/Navigation Control Module (RNS-E / Concert / Sy)0.8 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Center dashboard, in radio slot
🔧 VCDS or VAS 5051/5052
⚠️ Anti-theft radio code may be required. RNS-E navigation units require SD card for maps.
Seat Memory Control Module (Seat Memory)0.8 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Under driver's seat
🔧 VCDS or VAS 5051/5052
⚠️ Optional equipment on higher trims. Controls power seat and memory functions.
Immobilizer Control Module (Immo)0.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Integrated into instrument cluster or separate module near steering column
🔧 VAS 5051/5052 or ODIS
⚠️ Key programming and immobilizer adaptation dealer-only or requires EEPROM work. Component protection active.
Tire Pressure Monitoring Control Module (TPMS)0.5 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Integrated into ABS module or separate module near spare tire well
🔧 VCDS or VAS 5051/5052
⚠️ Sensor ID learning required after tire rotation or replacement. May be indirect system using ABS sensors.
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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