LEMON Manuals: Even more car manuals for everyone

Home >> Chevrolet >> 2007 >> HHR LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls & Fuel - 2.2L - DTC P0443 To 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.

scientia non olet · About LEMON Manuals