Every control module on the 2018-2026 Hyundai i30 — 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.
On-Board Charger (OBC) 2.5 hr R&R dealer / factory tool +1.0 hr ▸ programming details
📍 Engine bay or under vehicle (PHEV/EV models)
🔧 Hyundai GDS
⚠️ High voltage system, dealer-only programming
Motor Driven Power Steering Control Module (MDPS) 2.0 hr R&R dealer / factory tool +0.6 hr ▸ programming details
📍 Steering column or rack assembly
🔧 Hyundai GDS
⚠️ Steering angle sensor calibration mandatory
Electronic Stability Control Module (ESC) 1.8 hr R&R dealer / factory tool +0.6 hr ▸ programming details
📍 Engine bay, driver side near brake master cylinder
🔧 Hyundai GDS
⚠️ Brake bleeding required, steering angle sensor calibration mandatory
Heating Ventilation Air Conditioning Control Module (HVAC) 1.5 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Behind center dash HVAC controls
🔧 Autel MaxiSys or GDS
Central Gateway Module (CGW) 1.5 hr R&R dealer / factory tool +1.5 hr ▸ programming details
📍 Driver side lower dash or behind fuse panel
🔧 Hyundai GDS
⚠️ 2020+ security gateway, all modules may need reinitialization
Electric Parking Brake Module (EPB) 1.5 hr R&R aftermarket tool +0.4 hr ▸ programming details
📍 Rear axle or integrated with ESC module
🔧 Hyundai GDS or Autel
⚠️ Brake service mode required for pad replacement
Transmission Control Unit (TCU) 1.5 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Transmission housing or engine bay near battery
🔧 Hyundai GDS
⚠️ Adaptive learning reset required, 2020+ may need security PIN
Supplemental Restraint System Control Module (SRS) 1.2 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Center console under floor or behind center stack
🔧 Hyundai GDS
⚠️ Crash data must be cleared, VIN programming required
Engine Control Unit (ECU) 1.2 hr R&R dealer / factory tool +1.0 hr ▸ programming details
📍 Engine bay, driver side firewall or top of engine
🔧 Hyundai GDS
⚠️ 2020+ may require security PIN from Hyundai server
Adaptive Front Lighting System Module (AFLS) 1.2 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Behind headlight assembly or in engine bay
🔧 Hyundai GDS or Autel
⚠️ Headlight aiming required after replacement
Smart Trunk Control Module (STCM) 1.2 hr R&R aftermarket tool +0.4 hr ▸ programming details
📍 Inside liftgate or behind rear trim
🔧 Hyundai GDS or Autel
⚠️ Height adjustment relearn may be needed
Audio Video Navigation Head Unit (AVN) 1.2 hr R&R aftermarket tool +0.4 hr ▸ programming details
📍 Center dash stack
🔧 Hyundai GDS or Autel
⚠️ 2020+ models may have increased integration requiring dealer coding
Passenger Door Module (PDM) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Inside passenger door panel
🔧 Hyundai GDS or Autel
Body Control Module (BCM) 1.0 hr R&R dealer / factory tool +1.2 hr ▸ programming details
📍 Driver side lower dash or behind glove box
🔧 Hyundai GDS
⚠️ All vehicle options must be reconfigured, gateway security after 2019
Parking Assist System Module (PAS) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Rear cargo area or behind rear bumper
🔧 Hyundai GDS or Autel
Blind Spot Detection Module (BSD) 1.0 hr R&R aftermarket tool +0.4 hr ▸ programming details
📍 Rear bumper corners, left and right
🔧 Hyundai GDS or Autel
⚠️ Sensor aiming may be required after bumper work
Telematics Control Unit (TCU) 1.0 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Behind glove box or under rear seat
🔧 Hyundai GDS
⚠️ Subscription reactivation required through Hyundai Blue Link
Fuel Pump Control Module (FPCM) 0.8 hr R&R aftermarket tool +0.2 hr ▸ programming details
📍 Under rear seat or in trunk near fuel tank
🔧 Hyundai GDS or Autel
Forward Camera Module (FCM) 0.8 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Behind rearview mirror on windshield
🔧 Hyundai GDS
⚠️ ADAS calibration mandatory, windshield replacement requires recalibration
Instrument Cluster (IPC) 0.8 hr R&R dealer / factory tool +0.6 hr ▸ programming details
📍 Behind instrument panel in driver dash
🔧 Hyundai GDS
⚠️ Mileage programming requires dealer authorization, 2020+ security gateway
Immobilizer Control Module (IMM) 0.8 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Integrated with BCM or separate near ignition
🔧 Hyundai GDS
⚠️ Key synchronization required
Driver Seat Memory Module (DSMM) 0.8 hr R&R aftermarket tool +0.2 hr ▸ programming details
📍 Under driver seat
🔧 Hyundai GDS or Autel
⚠️ Memory positions will need to be reset by user
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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