P1638 Can Link ECM/INSTM Circuit / Net
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1638 Information for specific makes P1638 BUICKP1638 CADILLACP1638 CHEVROLETP1638 GMCP1638 HYUNDAI
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1638 Information for specific makes P1638 BUICKP1638 CADILLACP1638 CHEVROLETP1638 GMCP1638 HYUNDAI
P1638 HYUNDAI – ECM (Microcontroller) – Malfunction
P1638 BUICK – Generator F-Terminal Circuit
P1638 CADILLAC – Generator F-Terminal Circuit
P1638 CHEVROLET – Generator F-Terminal Circuit
P1638 GMC – Generator F-Terminal Circuit