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2021 TOYOTA NOAH

1.8L I4 Hybrid 2ZR-FXE•FWD•AUTOMATIC•hybrid
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Every control module on the 2020-2026 Toyota Noah — 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)4.5 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Integrated with valve body inside transmission
🔧 Toyota Techstream
⚠️ Requires transmission removal; VIN registration and extensive adaptive learning procedures
Electric Power Steering Control Module (EPS ECU)2.5 hr R&Raftermarket tool +0.4 hr▸ programming details
📍 Integrated with steering column assembly under dashboard
🔧 Autel/Launch or Techstream
⚠️ Steering angle sensor zero-point calibration mandatory after replacement
Air Conditioning Amplifier / HVAC Control Module (A/C AMP)2.0 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Behind center dashboard, integrated with HVAC unit
🔧 Techstream or basic scan tool
⚠️ Actuator position learning required for auto-climate systems
ABS Actuator / Brake Control Module (ABS)1.8 hr R&Raftermarket tool +0.4 hr▸ programming details
📍 Engine compartment, left front near strut tower
🔧 Autel/Launch or Techstream
⚠️ Brake bleeding required; VIN registration and VSC calibration recommended
Power Sliding Door ECU / Multiplex Network Door ECU (DOOR ECU)1.8 hr R&Raftermarket tool +0.4 hr▸ programming details
📍 Inside sliding door panel, left and right (two modules)
🔧 Autel/Launch or Techstream
⚠️ Door calibration, limit learning, and pinch protection calibration required; separate modules per door
Body Control Module (BCM)1.5 hr R&Rdealer / factory tool +1.2 hr▸ programming details
📍 Behind lower dashboard, driver side kick panel area
🔧 Toyota Techstream
⚠️ Central multiplex hub; requires extensive configuration for all body functions, power doors, lighting
Gateway ECU / Communication Gateway (GATEWAY)1.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Behind dashboard, center or driver side near BCM
🔧 Toyota Techstream
⚠️ CAN/CAN-FD hub; VIN and complete network topology configuration required
Power Back Door ECU (PBD ECU)1.5 hr R&Raftermarket tool +0.4 hr▸ programming details
📍 Inside rear liftgate panel, left side
🔧 Autel/Launch or Techstream
⚠️ Height, speed, and kick-sensor calibration required for power liftgate
Occupant Detection ECU (ODS ECU)1.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Under front passenger seat, integrated with seat frame
🔧 Toyota Techstream
⚠️ Occupant classification calibration required; affects airbag deployment logic
Pre-Collision / Millimeter Wave Radar (PCS RADAR)1.5 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Behind front grille, center lower bumper area
🔧 Toyota Techstream + calibration equipment
⚠️ Radar aiming and calibration required; part of Toyota Safety Sense; may require alignment rack
Audio / Navigation / Multimedia System (RADIO/NAV)1.5 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Center dashboard, integrated touchscreen head unit
🔧 None (self-initializes)
⚠️ May require radio code; Bluetooth, Apple CarPlay/Android Auto pairing reset
Smart Key ECU / Immobilizer ECU (SMART KEY/IMM)1.3 hr R&Rdealer / factory tool +1.2 hr▸ programming details
📍 Behind lower dashboard, center console area or near BCM
🔧 Toyota Techstream + security access
⚠️ All keys must be re-registered; ECM/PCM pairing required; seed-key authentication mandatory
Data Communication Module / Telematics Control Unit (DCM)1.2 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Behind dashboard, center area or under front passenger seat
🔧 Toyota Techstream + TIS subscription
⚠️ Dealer activation and subscription pairing required; VIN registration; connected services
Adaptive Front Lighting System ECU (AFS ECU)1.2 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Behind headlight assembly or integrated with headlight unit
🔧 Autel/Launch or Techstream
⚠️ Headlight leveling and adaptive beam calibration required if equipped with LED/adaptive headlights
Engine Control Module / Powertrain Control Module (ECM/PCM)1.2 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Engine compartment, left side firewall area behind battery
🔧 Toyota Techstream + TIS subscription
⚠️ VIN registration, immobilizer pairing, and security gateway authentication required
SRS Airbag Control Module (SRS ECU)1.0 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Center console area, under front seats or center floor tunnel
🔧 Autel/Launch or Techstream
⚠️ Crash data clearing and occupant classification calibration required
Back Monitor Camera ECU / Multi-View Camera ECU (CAMERA ECU)1.0 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Integrated with camera assembly or separate module behind rear trim
🔧 Techstream or aftermarket scan tool
⚠️ Camera alignment and guideline calibration required; may include 360-degree view system
Parking Assist ECU / Clearance Sonar ECU (PA ECU)1.0 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Behind rear bumper or under rear cargo floor
🔧 Autel/Launch or Techstream
⚠️ Sensor calibration and detection zone learning required
Combination Meter / Instrument Cluster (METER)0.8 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Instrument panel behind steering wheel
🔧 Toyota Techstream
⚠️ Mileage programming mandatory; VIN registration; digital cluster configuration
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.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.
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