Voltage Signal: Description and Operation

PURPOSE
Inform the control module that there is a basic generator over voltage problem.

OPERATION
If voltage is greater than 19.5 volts for 2 seconds at control module terminal "E16", the control module sets Diagnostic Trouble Code 53, the automatic transmission pressure control solenoid is turned "OFF", the automatic transmission shifts immediately to third gear, and TCC operation is inhibited. (the setting of additional DTC's may result.)