OBDII telematics devices that attach to a cars diagnostic port are rapidly proliferating and can pose a significant risk to your business if the data supplied by the device is not accurate. Poor accuracy on speed, mileage, acceleration and fuel efficiency are common and can lead to poor decisions for whole industries like usage based insurance (UBI) .
DID YOU EVER WONDER WHY SOME CUSTOMERS USING OBDII DONGLES FOR INSURANCE PURPOSES COMPLAIN OF TOO MANY FAST ACCELERATIONS AT SLOW SPEEDS ?
DID YOU EVER WONDER WHY MANY OBDII DEVICES DON’T MATCH THE VEHICLE ODOMETER ?
THE OBDII SPECIFICATION THAT DEFINES THE DATA WAS ONLY DESIGNED FOR EMISSIONS TESTING
In order to understand the risk, it is important to understand the reason for the OBDII standard and the diagnostic port on all cars. OBDII was a standard required by the government in 1996 for all cars sold in the USA. It defines the connector and data available from all cars. Because OBDII was only required by law for emissions testing, the data available from the OBDII port that may be obtained from all cars using the standard is only what is necessary for emissions testing. The only vehicle information required to conduct a certified OBDII emissions test is usually limited to Vehicle readiness, Vehicle DTCs ( Diagnostic Trouble Codes), voltage and RPM.
VEHICLE SPEED IS NOT REQUIRED FOR AN EMISSIONS TEST AND HAS VERY LOW RESOLUTION
The vehicle speed signal is available from the OBDII port. As specified in the OBDII standard, which all cars are required to implement, the vehicle speed signal has very low resolution. When the vehicle speed is returned from any vehicle by an OBDII device, the signal is returned in one kilometer per hour increments. This means that any OBDII device using vehicle speed will not know the difference between 10 km per hour and 10.99 km per hour as the only number returned by the vehicle is 10. At 10 km per hour, this can result in as much as a 10% error. Some vehicles tested actually only return speed with a resolution of 2 km per hour and thus at a slow vehicle speed of 5 km per hour, error can actually be 40 percent!!!!!!!!
ODOMETER READING IS NOT REQUIRED FOR AN EMISSIONS TEST SO IT IS NOT AVAILABLE WITH THE OBDII STANDARD
Because it is not required for emissions testing, vehicles do not make the odometer reading available as a standard OBDII command. Many OBDII device companies use speed and time to calculate mileage as a substitute for this reason. Once vehicle speed is used to calculate mileage driven, the error proliferates. Because the speed coming from the vehicle is low resolution, the mileage calculated also contains the same error.
THE PROBLEM GROWS
OBDII speed is used to calculate many parameters including distance driven (Km or Miles), fuel efficiency (KPG or MPG), odometer, acceleration, deceleration, time driven over a certain MPH, etc.
THE RIGHT SOLUTION
Because we understand emissions testing as well as OBDII testing, TechNich Solutions was able to design a Patent Pending solution to provide a much more accurate speed. We use the vehicle OBDII data and intelligent algorithms to derive a new vehicle speed. These algorithms reduce error from as high as 40% to around 0.5 %. Using this technology, vehicle speed and all other calculations mentioned above that rely on speed are much more accurate.
TechNich Solutions is seeking partners interested in accurate speed and fuel efficiency using this technology. Call 262-347-3137 or email email@example.com to discuss partnering or using MotorVibesTM which incorporates the solution.