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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Engine Controls - 3.9L - Introduction (2 Of 2)) >> Description and Operation >> Camshaft Actuator System Description >> CMP Actuator Solenoid Circuit Diagnostics

CMP Actuator Solenoid Circuit Diagnostics

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The control module monitors the control circuits of the camshaft position (CMP) actuator solenoid for electrical faults. The control module has the ability to determine if a control circuit is open, shorted high and shorted low. If the control module detects a fault with a CMP actuator solenoid circuit, a DTC will set.

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