- Model years
- 2012–2015
- Coding modules
- 43
- Codeable settings
- 600
- Make-wide fault codes
- 667
CarCoding supports the Lexus RX 450h for model years 2012–2015. The app connects via an ELM327 BLE OBD2 adapter to access 43 coding modules. It provides access to 600 codable settings and 667 manufacturer fault code descriptions for this vehicle.
Users can modify specific vehicle functions using the available coding options. Example settings include Wireless Control, Hazard Answer Back, Open Door Warning, Unlock 2 Operation, and Panic Function (Wireless Door Lock). Additional adjustable features are Wireless Auto Lock, Wireless Glass Hatch Open, P/W Wireless Ope Buzz, Wireless Buzzer Vol, and Unlock Key Twice.
Supported coding modules
The CarCoding coding database defines 43 modules and 600 settings for this platform. Open a module to see every setting it carries.
Grouped by category. Open a module to see every setting it exposes.
Body and comfort
- MAIN BODY ECU116 settingsComfort, Lighting, Safety, climate
- A C AMPLIFIER HVAC47 settingsComfort, climate
- ENTRY START38 settingsComfort, Safety
- MAIN BODY ECU TAILGATE35 settingsComfort
- RL SEAT P427 settingsComfort
- RR SEAT P427 settingsComfort
- PASSENGER SEAT25 settingsComfort
- DRIVER SEAT23 settingsComfort
- BACK DOOR P412 settingsComfort
- DOOR RL PSD10 settingsComfort
- SLIDING ROOF P410 settingsComfort
- DOOR RR PSD7 settingsComfort
- P DOOR MOTOR P46 settingsComfort
- RL DOOR MOTOR P46 settingsComfort
- RL SEAT A C P46 settingsComfort
- RR DOOR MOTOR P46 settingsComfort
- RR SEAT A C P46 settingsComfort
- BODY NO 4 P45 settingsComfort
- MIRROR P44 settingsComfort, Lighting
- FL SEAT A C P43 settingsComfort
- FR SEAT A C P43 settingsComfort
- PASSENGER DOOR P43 settingsComfort
- D DOOR MOTOR P42 settingsComfort
- DRIVER SEAT SWITCH P41 settingComfort
- MIRROR L1 settingComfort
- MIRROR R1 settingComfort
- REAR SLIDING SUNSHADE P41 settingComfort
- SLIDING SUNSHADE P41 settingComfort
- TILT TELESCOPIC1 settingComfort
Instrument cluster
Infotainment
Lighting
Safety and driver assistance
- CLEARANCE SONAR52 settingsComfort, Display, Safety
- THEFT DETERRENT P410 settingsComfort
- BLIND SPOT MONITOR6 settingsSafety
- VPNS AVAS3 settingsComfort
- BLIND SPOT MONITOR SLAVE P42 settingsSafety
- RAIN SENSOR P41 settingComfort
- TIRE PRESSURE MONITOR P41 settingDisplay
Powertrain
- CSP SENSOR P47 settingsComfort
- REMOTE ENGINE STARTER7 settingsComfort, climate
- ACTIVE REAR WING P41 settingComfort
Fault codes for this make
There are 667 manufacturer fault code descriptions for Toyota · Lexus · Daihatsu · Perodua. Open a code block and read what your code means.
Frequently asked questions
Which app can do ECU coding on the Lexus RX 450h (2012-2015)?
CarCoding does ECU coding on the Lexus RX 450h (2012-2015) (2012–2015) from your phone: 600 codeable settings are defined across 43 modules; example settings: Wireless Control, Hazard Answer Back, Open Door Warning, Unlock 2 Operation, Panic Function (Wireless Door Lock), Wireless Auto Lock. An ELM327-based OBD2 adapter with Bluetooth Low Energy (BLE) is all you need; the app runs on iPhone and Android and is free to download.
Can I read fault codes on the Lexus RX 450h (2012-2015)?
Yes. Besides standard OBD2 engine codes there are 667 manufacturer fault code descriptions for this make group; you can read and clear them.
Which adapter do I need?
An ELM327-based OBD2 adapter with Bluetooth Low Energy (BLE) is all you need; the app runs on iPhone and Android and is free to download.
How do I start?
- Plug an ELM327-compatible OBD2 adapter into the car.
- Open CarCoding and connect to the adapter over Bluetooth.
- Pick the make and model — or let the VIN identify it.
- Read fault codes; on supported vehicles, open the module settings.
Related pages
Get CarCoding
Connect your ELM327 adapter, read fault codes, and browse module settings on supported vehicles.
The app is free to download.