Quote:
Originally Posted by Viffermike
Most modern cars' gauges are computer controlled, so what the OBDII says (and what the digital readout would say if it's coded) is almost certainly going to mirror what the analog gauge says. That's definitely the case with the speedometer on my P3Cars gauge, which is an OBDII device.
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My experience is actually exactly the opposite. My OBD reading through Torque reads consistently lower than my speedo. Today I set my cruise control to 100kph and Torque was reading 93kph which was the same exact speed indicated by GPS.
This actually makes sense since the OBD reads the value directly from the wheel speed sensor while the speed correction happens at the instrument cluster (and can be coded off by coding KOMBI).