Mike's Workshop Manuals
: Service manuals for every vehicle
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Hummer
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2008
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H3 Alpha
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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 7 (Engine Controls And Fuel - 3.7L - DTC P2544)
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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.