Every control module on the 2018-2026 Toyota Hilux — 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.
ABS Actuator / Brake Control Module (ABS/VSC ECU) 1.8 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Engine compartment, driver side near master cylinder or frame rail
🔧 Techstream or Autel/Launch
⚠️ Brake bleeding and VSC calibration required after replacement
Pre-Collision System Radar / Millimeter Wave Radar (PCS RADAR) 1.5 hr R&R dealer / factory tool +1.0 hr ▸ programming details
📍 Front grille center, behind Toyota emblem or lower grille
🔧 Toyota Techstream
⚠️ Radar aiming and calibration required; Toyota Safety Sense component; alignment critical
Air Conditioning Amplifier / HVAC Control Module (A/C AMP) 1.5 hr R&R relearn only +0.2 hr ▸ programming details
📍 Behind center dashboard HVAC controls
🔧 Techstream or basic scan tool
⚠️ Actuator calibration may be required
Transmission Control Module (TCM) 1.5 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Transmission housing or engine compartment near firewall
🔧 Toyota Techstream
⚠️ VIN writing and adaptive learning reset required
Kinetic Dynamic Suspension System ECU / Active Suspension Control ECU (KDSS/SUSP ECU) 1.4 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Under vehicle near suspension components or in cabin under seat
🔧 Toyota Techstream
⚠️ Suspension calibration and ride height sensor learning required; TRD Pro or off-road packages
4WD Control ECU / Transfer Case Control Module (4WD ECU) 1.3 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Under vehicle near transfer case or in cabin under center console
🔧 Techstream or Autel
⚠️ 4WD system calibration and actuator learning required
Electric Power Steering Control Module (EPS ECU) 1.2 hr R&R aftermarket tool +0.4 hr ▸ programming details
📍 Steering column or under dashboard near steering shaft
🔧 Techstream or Autel
⚠️ Steering angle sensor calibration and zero-point learning required
Power Door Lock / Multiplex Network Door ECU (DOOR ECU) 1.2 hr R&R relearn only +0.2 hr ▸ programming details
📍 Inside door panel, driver and passenger doors
🔧 Techstream or basic scan tool
⚠️ Window auto-up/down and door lock synchronization relearn
Blind Spot Monitor ECU (BSM ECU) 1.2 hr R&R aftermarket tool +0.4 hr ▸ programming details
📍 Rear quarter panel or behind rear bumper
🔧 Techstream or Autel
⚠️ Sensor calibration and detection zone adjustment required
Engine Control Module / Powertrain Control Module (ECM/PCM) 1.2 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Engine compartment, driver side firewall or under intake manifold
🔧 Toyota Techstream with TIS subscription
⚠️ VIN registration and immobilizer pairing required; security seed-key authentication mandatory
Data Communication Module / Telematics Control Unit (DCM/TCU) 1.1 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Under dashboard, center console, or behind glove box
🔧 Toyota Techstream
⚠️ Subscription activation and network provisioning required; Safety Connect/Connected Services
Body Control Module / Multiplex Network Body ECU (BCM) 1.0 hr R&R dealer / factory tool +0.7 hr ▸ programming details
📍 Under dashboard, driver side kick panel or behind glove box
🔧 Toyota Techstream
⚠️ Vehicle configuration and option coding required; controls lighting, wipers, power windows
Adaptive Front Lighting System ECU / LED Headlight Control Module (AFS/LED ECU) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Behind headlight assembly or in engine compartment near headlights
🔧 Techstream or Autel
⚠️ Headlight leveling and auto-leveling calibration required
Parking Assist ECU / Clearance Sonar ECU (PA/SONAR ECU) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Rear cargo area, behind trim panel or under rear bumper
🔧 Techstream or Autel
⚠️ Sensor calibration required after replacement
Audio / Navigation / Multimedia System (RADIO/NAV) 1.0 hr R&R relearn only +0.3 hr ▸ programming details
📍 Center dashboard stack
🔧 Techstream or vehicle settings menu
⚠️ Radio code entry may be required; Bluetooth and user settings reset
Trailer Brake Control Module / Tow Hitch ECU (TRAILER ECU) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Under vehicle near hitch receiver or in cabin under rear seat
🔧 Techstream or Autel
⚠️ Trailer brake gain and sway control calibration required
Smart Key ECU / Immobilizer ECU (SMART KEY/IMM) 0.9 hr R&R dealer / factory tool +1.0 hr ▸ programming details
📍 Under dashboard near steering column or center console
🔧 Toyota Techstream
⚠️ All keys must be re-registered; security authentication required; ECM pairing mandatory
SRS Airbag Control Module (SRS ECU) 0.8 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Center console under floor or behind center stack
🔧 Techstream or Autel/Launch
⚠️ Crash data clear and occupant classification reset required
Backup Camera / Multi-Terrain Monitor Camera ECU (CAMERA ECU) 0.8 hr R&R relearn only +0.2 hr ▸ programming details
📍 Rear tailgate or front grille area, depending on camera type
🔧 Techstream or vehicle menu
⚠️ Camera calibration and guideline adjustment may be needed
Gateway ECU / Communication Gateway (GATEWAY) 0.8 hr R&R dealer / factory tool +0.6 hr ▸ programming details
📍 Under dashboard, center or driver side
🔧 Toyota Techstream
⚠️ Network configuration and module registration required
Combination Meter / Instrument Cluster (METER) 0.7 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Dashboard instrument panel behind steering wheel
🔧 Toyota Techstream
⚠️ Mileage programming and VIN registration required; odometer fraud prevention
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.