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Home >> Buick >> 1993 >> Riviera >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Removal & Installation >> Powertrain Control Module (Pcm) >> Removal
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Powertrain Control Module (Pcm): Removal

Disconnect negative battery cable. Remove right sound insulator under right side of instrument panel. Disconnect PCM electrical connector. Remove PCM mounting brackets. Remove PCM. If replacing PCM, remove MEM-CAL access cover and transfer MEM-CAL to new PCM.