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Home >> Saturn >> 1998 >> SC2 Automatic, MP7 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P1621 - Pcm Memory Error >> Diagnostic Procedures
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Diagnostic Procedures

Reprogram PCM. If DTC P1621 resets, replace PCM. Program replacement PCM using required equipment.

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