Quote:
Originally Posted by Shortie
How does gm monitor line pressure anyways in the electronically controled trannys? Just wondering cause in hp tuners when tuning line pressure it's done directly with a line pressure psi.
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The PCM does not monitor line pressure, The PCM controls the PCS solenoid with varying current (amp's). In theory it will produce the correct line pressure.
The line pressure tables in HPtuners are based on the same theory.