Possible causes – Thermostat– Cooling fan harness is open or shorted– Cooling fan circuit poor electrical connection– Faulty cooling fan motor– Engine Control Module (ECM) Program – Faulty IPDM E/R – Faulty Cooling fan control module– Radiator hose – Radiator–
Possible causes – Thermostat– Cooling fan harness is open or shorted– Cooling fan circuit poor electrical connection– Faulty cooling fan motor– Engine Control Module (ECM) Program – Faulty IPDM E/R – Faulty Cooling fan control module– Radiator hose – Radiator–
Possible causes Harness or connectors (The cooling fan circuit is open or shorted.) Cooling fan Radiator hose Radiator Radiator cap Water pump Thermostat When is the code detected? Cooling fan does not operate properly (Overheat). Cooling fan system does not
CHEVROLET Technical Service Bulletins for P1217 code 1999 CHEVROLET EXPRESS ENGINE AND ENGINE COOLING:ENGINE 2000 CHEVROLET EXPRESS ENGINE AND ENGINE COOLING:ENGINE 2001 CHEVROLET EXPRESS ENGINE AND ENGINE COOLING:ENGINE 2002 CHEVROLET EXPRESS ENGINE AND ENGINE COOLING:ENGINE
GMC Technical Service Bulletins for P1217 code 1999 GMC SAVANA ENGINE AND ENGINE COOLING:ENGINE 2000 GMC SAVANA ENGINE AND ENGINE COOLING:ENGINE 2001 GMC SAVANA ENGINE AND ENGINE COOLING:ENGINE 2002 GMC SAVANA ENGINE AND ENGINE COOLING:ENGINE
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