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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System & Fuel System - 5.3L - DTC P0420 To DTC P3449) >> DTC P0685, P0689, or P0690 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Relay Coil B+ P0685 P0685 - -
Relay Switch B+ P0689 P0689 - -
Relay Coil Control P0685 P0685 P0685 -
Relay Ignition Output Ignition 1 Voltage P0689 P0689 P0690 -
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