Pcm Code EO51, Mem-Cal Error

Check that MEM-CAL is fully inserted in socket. If okay, replace MEM-CAL, clear memory and recheck. If Code EO51 reappears, replace PCM.

See cautions under POWERTRAIN CONTROL MODULE (PCM) in REMOVE/INSTALL/OVERHAUL article in this section when replacing MEM-CAL or PCM.