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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission - Diagnosis - 4L80-E >> Diagnostic Charts >> Code 73 - Force Motor Current >> Diagnostic Aids

Diagnostic Aids

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

Fig 1: Code 73 Troubleshooting Diagnostic Flow Chart

G92H14115

Courtesy of GENERAL MOTORS CORP.

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