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Home >> Cadillac >> 1992 >> DeVille Touring >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Pcm Trouble Code Diagnosis >> Pcm Code E52, Pcm Memory Reset >> Note On Intermittents

Note On Intermittents

If battery has been disconnected, PCM Code E52 will set. PCM keeps a running check on memory. If memory changes, PCM Code E52 resets.

Fig 1: PCM Code E52, Schematic, PCM Memory Reset
G91I07661Courtesy of GENERAL MOTORS CORP.
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