Every control module on the 2021-2026 Toyota Venza — 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 / Hybrid Transaxle Control Module (TCM) 4.0 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Integrated into hybrid transaxle assembly, accessed from underneath vehicle
🔧 Toyota Techstream with TIS subscription
⚠️ Hybrid system; requires high-voltage safety procedures; VIN registration and extensive initialization required
Electric Power Steering Control Module (EPS ECU) 2.8 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Integrated with steering column assembly, accessed from under dash
🔧 Toyota Techstream with TIS subscription
⚠️ Steering angle sensor calibration required; torque sensor zero-point learning; security gateway authentication
Hybrid Vehicle Control Module / Battery ECU (HV ECU) 2.5 hr R&R dealer / factory tool +1.0 hr ▸ programming details
📍 Under rear cargo floor, mounted to hybrid battery assembly
🔧 Toyota Techstream with TIS subscription
⚠️ High-voltage safety procedures mandatory; controls battery management and hybrid system coordination; security gateway locked
ABS Actuator / Brake Control Module (ABS ECU) 2.2 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Engine compartment, driver side near firewall, mounted to brake line assembly
🔧 Toyota Techstream with TIS subscription
⚠️ Brake system bleed required; includes VSC, traction control, and brake assist; security gateway authentication
Air Conditioning Amplifier / HVAC Control Module (A/C AMP) 1.8 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Behind center dash, integrated with climate control panel
🔧 Techstream or aftermarket scan tool
⚠️ Actuator calibration required; dual-zone automatic climate control standard
Pre-Collision System Radar / Millimeter Wave Radar (PCS RADAR) 1.5 hr R&R dealer / factory tool +1.0 hr ▸ programming details
📍 Behind front grille, center lower area
🔧 Toyota Techstream with TIS subscription and alignment tool
⚠️ Toyota Safety Sense 2.5; requires precise aiming and calibration; collision avoidance and adaptive cruise control
Power Back Door ECU / Hands-Free Liftgate Module (PBD ECU) 1.5 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 In liftgate trim panel or behind cargo area side trim
🔧 Techstream or aftermarket scan tool
⚠️ Hands-free kick sensor; height memory programming; pinch protection calibration required
Audio Multimedia System / Display Audio (RADIO/NAV) 1.5 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Center dash stack, accessed by removing trim panels
🔧 Toyota Techstream with TIS subscription
⚠️ 12.3-inch touchscreen; Apple CarPlay/Android Auto; requires dealer activation for connected services; security pairing
Data Communication Module / Telematics Control Unit (DCM) 1.5 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Behind headliner near rearview mirror or in cargo area side trim
🔧 Toyota Techstream with TIS subscription
⚠️ Connected services, Safety Connect, remote start; requires dealer activation and subscription; 4G LTE connectivity
Engine Control Module / Powertrain Control Module (ECM/PCM) 1.2 hr R&R dealer / factory tool +1.0 hr ▸ programming details
📍 Engine compartment, driver side firewall area, mounted on bracket near strut tower
🔧 Toyota Techstream with TIS subscription
⚠️ VIN registration and immobilizer pairing required; 2.5L hybrid powertrain only; security gateway authentication
Adaptive High Beam System ECU / LED Headlight Control Module (AHS ECU) 1.2 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Behind headlight assembly or in engine compartment near headlight
🔧 Toyota Techstream with TIS subscription
⚠️ LED headlights with adaptive high beam; automatic leveling; calibration required after replacement
Body Control Module / Multiplex Network Body ECU (BCM) 1.2 hr R&R dealer / factory tool +1.2 hr ▸ programming details
📍 Behind driver side lower dash panel, above kick panel
🔧 Toyota Techstream with TIS subscription
⚠️ Controls lighting, power windows, locks, wipers; extensive configuration for vehicle options; security gateway authentication
Smart Key ECU / Immobilizer ECU (SMART KEY/IMM) 1.2 hr R&R dealer / factory tool +1.2 hr ▸ programming details
📍 Behind lower dash panel, driver side near steering column
🔧 Toyota Techstream with TIS subscription
⚠️ All keys must be re-registered; ECM pairing required; security gateway authentication mandatory; push-button start
Parking Assist ECU / Clearance Sonar ECU (PA ECU) 1.2 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Behind rear bumper cover or in cargo area trim panel
🔧 Toyota Techstream with TIS subscription
⚠️ Front and rear sensors; sensor calibration required; standard equipment
Combination Meter / Digital Instrument Cluster (METER) 1.0 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Behind instrument panel, accessed by removing cluster trim
🔧 Toyota Techstream with TIS subscription
⚠️ Mileage programming required by dealer; VIN registration mandatory; 12.3-inch digital display; federal law requires documentation
SRS Airbag Control Module (SRS ECU) 1.0 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Center console area, under center stack between front seats
🔧 Toyota Techstream with TIS subscription
⚠️ Battery disconnect required; crash data stored; zero-point calibration and security authentication needed
Forward Recognition Camera / Monocular Camera (FRC) 1.0 hr R&R dealer / factory tool +1.0 hr ▸ programming details
📍 Behind windshield, integrated with rearview mirror assembly
🔧 Toyota Techstream with TIS subscription and calibration target
⚠️ Toyota Safety Sense 2.5; lane departure, road sign recognition; requires static calibration with target; windshield replacement affects calibration
Gateway ECU / Communication Gateway (GATEWAY) 1.0 hr R&R dealer / factory tool +0.8 hr ▸ programming details
📍 Behind driver side lower dash panel, near BCM
🔧 Toyota Techstream with TIS subscription
⚠️ Manages CAN bus and Ethernet communication; security gateway functions; VIN registration required
Power Seat Control Module (SEAT ECU) 1.0 hr R&R relearn only +0.2 hr ▸ programming details
📍 Under driver or passenger seat, integrated with seat frame
🔧 Techstream or self-initialization
⚠️ Memory seat function; position calibration may be required; ventilated and heated seat control
Wireless Charging Module / Qi Charger ECU (WC ECU) 0.8 hr R&R no coding
📍 Center console, integrated with charging pad
⚠️ Wireless phone charging; typically plug-and-play replacement
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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