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Code 83, TCC PWM Solenoid - A/T: Notes

WARNING: This page is about a different car, the 1995 Chevrolet Caprice. However, it is still accessible from the selected car via links, so may be relevant.

PCM controls and monitors TCC PWM solenoid drive circuit. If voltage remains high when solenoid is commanded on or remains low when commanded off, code will set.

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. Checks if PCM is commanding TCC solenoid on.
  2. Checks for voltage to solenoid.
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