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Home >> Cadillac >> 1992 >> Eldorado Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Service Mode Operation >> Selecting Clear Codes
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Selecting Clear Codes

Selecting PCM CLEAR CODES test will result in PCM CODES CLEAR message being displayed for 3 seconds, indicating all stored trouble codes have been erased from memory. After 3 seconds, display will automatically return to next available test type level (i.e., ECM SNAPSHOT?).

After a code has been cleared, make a complete ignition cycle and possibly a test drive. Ensure code does not reset.