Diagnostic Aids

Check all connections, especially those at the transmission pass-thru connector. If code is intermittent, see INTERMITTENTS in TESTS W/O CODES article in this section.

Fig 1: CODE 83, Schematic, TCC Solenoid Circuit Fault (C, K & P Series)

Courtesy of GENERAL MOTORS CORP.

Fig 2: CODE 83, Schematic, TCC Solenoid Circuit Fault ("G" Series)

Courtesy of GENERAL MOTORS CORP.

Fig 3: CODE 83, Flowchart, TCC Solenoid Circuit Flowchart

Courtesy of GENERAL MOTORS CORP.