Every control module on the 2018-2026 Audi SQ5 — 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
📍 Inside transmission housing, integrated with valve body (Mechatronic unit)
🔧 VAS 6154/ODIS-E
⚠️ Mechatronic replacement requires transmission removal; extensive adaptation and clutch learning; dealer-only
Electric Power Steering Control Module (EPS) 2.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Steering column, integrated with steering rack or column assembly
🔧 VAS 6154/ODIS-E or Autel with AutoAuth
⚠️ Steering angle sensor calibration required; security gateway protected
Head-Up Display Control Module (HUD) 2.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Dashboard, top center behind instrument panel
🔧 VAS 6154/ODIS-E
⚠️ Projection alignment and brightness adaptation required; component protection
MMI Control Module / Infotainment (MMI) 2.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Dashboard, center behind infotainment screen or in trunk
🔧 VAS 6154/ODIS-E
⚠️ Component protection; dealer unlock required; may include navigation and Audi Connect
Quattro All-Wheel Drive Control Module (AWD) 2.0 hr R&R security gateway +0.8 hr ▸ programming details
📍 Under vehicle, near transfer case or rear differential
🔧 VAS 6154/ODIS-E or Autel with AutoAuth
⚠️ Torque distribution adaptation; test drive required for learning; security gateway protected
ABS/ESP Control Module (ABS) 1.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Engine bay, left front near brake master cylinder
🔧 VAS 6154/ODIS-E or Autel with AutoAuth
⚠️ Security gateway protected; brake bleeding and wheel speed sensor adaptation required
Climate Control Module (CCM) 1.5 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Dashboard, center behind climate control panel
🔧 VCDS or Autel
⚠️ Basic adaptation for flap calibration; usually plug-and-play
Mild Hybrid Battery Management Module (BMS) 1.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Under rear cargo floor or near spare tire well
🔧 VAS 6154/ODIS-E
⚠️ 48V mild hybrid system (2020+); battery registration and adaptation required; dealer-only
Central Convenience Control Module (CCM) 1.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Dashboard, left side behind fuse panel or integrated with gateway
🔧 VAS 6154/ODIS-E or Autel with AutoAuth
⚠️ Controls central locking, windows, lighting; extensive adaptation channels; security gateway protected
Central Gateway Control Module (CGW) 1.5 hr R&R security gateway +1.5 hr ▸ programming details
📍 Dashboard, left side behind fuse panel or under driver footwell
🔧 VAS 6154/ODIS-E
⚠️ Security Gateway 2.0; replacement requires dealer online authorization and all module re-adaptation
Adaptive Cruise Control Radar Module (ACC) 1.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Front bumper, center behind grille
🔧 VAS 6154/ODIS-E
⚠️ Radar calibration required after replacement; dealer-level alignment tool needed
Adaptive Air Suspension Control Module (AAS) 1.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Trunk, left or right side panel, or under rear seat
🔧 VAS 6154/ODIS-E or Autel with AutoAuth
⚠️ Air suspension calibration; ride height sensors and compressor adaptation required
Engine Control Module (ECM) 1.2 hr R&R security gateway +1.0 hr ▸ programming details
📍 Engine bay, left side near firewall, under plastic cover
🔧 VAS 6154/ODIS-E or Autel with AutoAuth
⚠️ Security gateway 2.0; component protection requires online dealer authorization or advanced tools
Matrix LED Headlight Control Module (AFS) 1.2 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Each headlight assembly, behind headlight housing
🔧 VCDS or Autel
⚠️ Matrix LED adaptive lighting; headlight range and beam pattern adaptation required
Kessy Control Module / Immobilizer (Kessy) 1.2 hr R&R security gateway +1.2 hr ▸ programming details
📍 Dashboard, center or left side near steering column
🔧 VAS 6154/ODIS-E
⚠️ Keyless entry/start; all keys must be re-learned; dealer-only due to security gateway
Telematics Control Module (TCU) 1.0 hr R&R security gateway +0.8 hr ▸ programming details
📍 Trunk, left or right side panel, or under rear seat
🔧 VAS 6154/ODIS-E
⚠️ Audi Connect services; requires dealer activation and subscription; security gateway protected
Fuel Pump Control Module (FPCM) 1.0 hr R&R no coding
📍 Under rear seat or in trunk, near fuel tank
⚠️ Usually plug-and-play; no coding typically required
Airbag Control Module (ACM) 1.0 hr R&R security gateway +0.8 hr ▸ programming details
📍 Center console, under front seats or behind center trim
🔧 VAS 6154/ODIS-E or Autel with AutoAuth
⚠️ Security gateway protected; crash data clearing and component verification mandatory
Surround View Camera Control Module (SVC) 1.0 hr R&R security gateway +0.5 hr ▸ programming details
📍 Trunk, near liftgate or integrated with MMI
🔧 VAS 6154/ODIS-E or Autel with AutoAuth
⚠️ 360-degree camera system; calibration required; may need dealer access
Instrument Cluster / Virtual Cockpit (IC) 1.0 hr R&R security gateway +1.0 hr ▸ programming details
📍 Dashboard, behind steering wheel
🔧 VAS 6154/ODIS-E
⚠️ Virtual cockpit; component protection locks mileage; dealer-only mileage transfer required
Door Control Module (DCM) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Inside each door, behind door panel
🔧 VCDS or Autel
⚠️ Window and mirror calibration; one-touch functions may need adaptation
Power Tailgate Control Module (TGM) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Liftgate, behind interior trim panel
🔧 VCDS or Autel
⚠️ Power liftgate height and speed adaptation; kick-sensor calibration if equipped
Park Assist Control Module (PDC) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Trunk, left or right side panel, or behind rear bumper
🔧 VCDS or Autel
⚠️ Sensor calibration may be required; usually straightforward
Trailer Hitch Control Module (THM) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Trunk, left or right side panel, or near hitch receiver
🔧 VCDS or Autel
⚠️ Trailer detection and lighting adaptation if factory hitch equipped
Seat Memory Control Module (SMC) 0.8 hr R&R aftermarket tool +0.2 hr ▸ programming details
📍 Under driver or passenger seat
🔧 VCDS or Autel
⚠️ Memory positions may need re-learning; usually plug-and-play
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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