Diagnostic Aids

Check all connections, especially those at transmission pass-thru connector.

Fig 1: DTC 83 Schematic ("G" Series - 4L60-E) TCC PWM Solenoid Circuit Fault

Fig 2: DTC 83 Schematic ("G" & "P" Series - 4L80-E) TCC PWM Solenoid Circuit Fault

Fig 3: DTC 83 Flow Chart (All Models) TCC PWM Solenoid Circuit Fault