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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Control System - 4.6L (LH2) - DTC P0420 To P0689) >> DTC P0687 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different variant/trim than selected.

This diagnostic procedure supports the following DTC:

DTC P0687 Engine Controls Ignition Relay Control Circuit High Voltage

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