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Old 02-10-2016, 08:33 PM   #304
hawk02
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Drives: '23 CT5-V BW, '21 Corvette HTC
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Quote:
Originally Posted by bobby35ny View Post
Ok, Reading the position of the TPS, shouldn't is read 100% if its wide open?

=Bobby
The way I understand it, GM interprets the SAE TPS PID as the voltage % of 5V. When the throttle is at WOT, the voltage on the TPS sensor measures somewhere around 4.2V which is 84% of 5V. The ECU learns this % as WOT. Logging the ETC or Pedal PIDs will give you 100% at WOT.
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