October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Diagnostic Aids

Check for poor connections at PCM/TCM and transmission pass-thru connector.

Fig 1: CODE 73, Schematic, Force Motor Current (Current Error)

Courtesy of GENERAL MOTORS CORP.

Fig 2: CODE 73, Flow Chart, Force Motor Current (Current Error)

Courtesy of GENERAL MOTORS CORP.