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Home >> Cadillac >> 1998 >> Seville SLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P1610 - Loss Of PZM Serial Data >> Circuit Description

Circuit Description

This test checks for loss of or invalid Platform Zone Module (PZM) serial data to PCM. When such condition exists for 11 seconds, DTC will set.