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2009
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Allure CX
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 5 (Engine Control System & Fuel System - 5.3L - DTC P0420 To DTC P3449)
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DTC P2544
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Circuit/System Testing
Circuit/System Testing
WARNING:
This page is about a different variant/trim than selected.
Observe the DTCs in the scan tool
If DTC P0604 is set, replace the ECM.
If DTC P0604 is not set, replace the TCM.