Introduction

This section has a few guides written out that are specifically for the AutoPi TMU CM4 devices. Some of the knowledge may be transferrable to previous generation devices.

Quick Links

Getting started | Dimensions | Specifications | State of the device | OBD connector pinout | Missing data | 4G Troubleshooting

Key Benefits

• 4G/LTE with global coverage: The integrated modem with worldwide coverage.
• Built in 2x CAN interface: Automotive connection with dual CAN.
• Factory integrated unit or aftermarket add-on: Use as a factory integrated OEM device or aftermarket add-on.
• Integrated power-safe functionality: Proven and experienced power fail-safe functionality integrated.
• Runs full Linux OS: Boost a well proved and tested OS, with guarantee for stability.
• Can be extended to almost any usage: Allows extension to both business and personal use cases.
• Upgradeable CPU/RAM: Upgrade the device with additional CPU/RAM
• Automotive certified (CE/FCC): Certified to automotive standards for global usage.
• Security element: Secure and encrypt your data

Upgraded Automotive Interface

The device comes with a 2x CAN interface and can be further expanded with additional CAN interfaces. Support for Diagnostics over IP (DoIP)

Runs LINUX OS

AutoPi Core is based on a full LINUX OS (Raspberry Pi OS), with endless possibilities for extensions and integrations. Well proven and tested OS, with high endurance.

Open Source-Software

The device runs on an open source-software, which allows users to build a custom code on top of that. All drivers and implementations in AutoPi Core is available from our GitHub repository.

Computing Power

Broadcom BCM2711 Quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz provides incredible speed and functionality. 1GB LPDDR4 RAM and an integrated GPU. Upgradeable to even more memory

Accessories

• OBD-II Extension Cable – Add extra reach for flexible placement.
• Dual Lock Extreme Velcro Strip – Secure, vibration-resistant mounting anywhere.
• Global SIM card solution - Our Global SIM card solution works in 188 countries, providing you with reliable and seamless connectivity wherever your solution is based.
• DoIP HAT - The DoIP HAT is a highly advanced interface module designed to enhance vehicle diagnostics using the DoIP protocol (Diagnostics over Internet Protocol).
• OBD-II Power Cable - Power the AutoPi TMU CM4 device with any 12-24 volt DC power supply.
• OBD-II Splitter Cable - Use this Y-splitter cable if you need to connect an additional OBD-II device at the same time as your AutoPi TMU CM4.
• Tesla OBD-II Adapter Cable for Model 3 and Y - Add an OBD-II port to your Tesla Model 3 or Model Y with this adapter cable.
• Micro USB-A Adapter Cable - This Micro USB to USB-A adapter cable is made to fit perfectly with the external Micro USB port on the AutoPi TMU CM4 device.
• OBD-II to dual DB9 - Connect two CAN bus nodes to the OBD2 port of the AutoPi TMU CM4.