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A malfunction indicator lamp (MIL) is a tell-tale that a computerized engine-management system uses to indicate a malfunction. Found on most automobiles' instrument panel, it usually bears the legend check engine, service engine soon, or a pictogram of an engine - and when illuminated, it is typically either an amber or red color. The light general has two stages: steady (indicating a minor fault) and flashing (indicating a severe fault).

The Diagnostic Trouble Codes (DTC) are codes that notify you about an issue. Each code corresponds to a fault detected in the car. When the vehicle detects a problem, it will activate the corresponding trouble code.

The CANGO Solution is designed to give you some of the most essential MIL/DTC alerts in real-time. Fast response to a fault detected in a vehicle can help prevent significant damages by addressing any issue faster.

The MIL/DTC alerts were designed for Trucks and Busses with J1939 and/or J1708 protocol, to be sent by the serial port, but will also be available with proprietary protocols. Typically the DTC codes are present on the Engine CAN, so just activating the T5 frame and you will be able to get this data.

Data present per protocol

Parameter J1939 Protocol J1708 Protocol Other protocol
MIL: Warning Indicator Lamps Status Present Present   Please contact for more information
MIL: Seat Belt Reminder Present Not Present
MIL: Handbrake ON Present Not Present
DTC: Battery malfunction Present Present
DTC: Coolant Temperature Present Present
DTC: Oil Pressure Present Present
DTC: Brake Pads Wear Not Present Present
MIL: Stop Light Present Present
MIL: Electronic Water Fault Under investigation
MIL: Particle Filter Fault
MIL: Exhaust Gas Fault
DTC: ABS Malfunction Present Present
DTC: Oil Level Fault Present Present

How we output this data:

The DTC information is outputted by the FMS interface via serial port or Bluetooth in ASCII format. The output is divided into serial frames that consist of one line holding many parameter values separated by the field separator character (comma by default). For a complete description of the Serial user guide please consult the document CANGO FMS Interface Serial User Guide.

We have proven our expertise


With more than 20 years of expertise in measurement and signal vehicle processing, CANGO can be your number one technology partner for Vehicle-to-X solutions. CANGO’s products portfolio makes for a complete, competitive offer of solutions validated by successful implementations on the worldwide market for telco, telematics suppliers, providers, and integrators.

Starting with vehicle data gathering/ingestion and ending with high-end solutions such as predictive maintenance and autonomous driving, CANGO provides innovative and integrated tailor-fit solutions for various industries like logistics, transportation, construction, oil & gas, mining, agriculture or smart mobility and public transportation.

Are you curious to learn about what can we do for your project? Get in touch with us!

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