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Home › Isuzu › 2008 › i-290 Automatic › Repair and Diagnosis › Engine Performance › System › Engine Control System & Fuel System - 2.9L - DTC P2544 › DTC P2544 › Circuit/System Testing

Circuit/System Testing

Observe the DTCs in the scan tool.

If DTC P0604 is set, replace the ECM.
If DTC P0604 is not set, replace the TCM.