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Home >> Buick >> 1994 >> Roadmaster Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Controls - Tests W/Codes) >> ECM/Pcm Code Charts >> Code 80, Transmission Component Slipping >> Diagnostic Aids
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Diagnostic Aids

WARNING: This page is about a different car, the 1994 Cadillac Fleetwood. However, it is still accessible from the selected car via links, so may be relevant.

Check for poor connections at pass-through connector. A faulty transmission range pressure switch assembly may set Code 80.

Fig 1: Code 80 Schematic (Fleetwood) Transmission Component Slipping
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Fig 2: Code 80 Flow Chart (Fleetwood) Transmission Component Slipping
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