Possible causes – Skid Control ECU / Engine Control Module (ECM) harness is open or shorted– Skid Control ECU / Engine Control Module (ECM) circuit poor electrical connection– Faulty Skid Control ECU– Faulty Engine Control Module (ECM) Symptoms – Engine
Possible causes – Skid Control ECU / Engine Control Module (ECM) harness is open or shorted– Skid Control ECU / Engine Control Module (ECM) circuit poor electrical connection– Faulty Skid Control ECU– Faulty Engine Control Module (ECM) Symptoms – Engine
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1630 Information for specific makes P1630 BUICKP1630 CADILLACP1630 CHEVROLETP1630 DODGEP1630 GMCP1630 HONDAP1630 HYUNDAIP1630 TOYOTAP1630 LEXUS
P1630 HYUNDAI – CAN-Bus-Off
P1630 CHEVROLET – Theft Deterrent Learn Mode Active
P1630 DODGE – A/C Press Sens Volts Too Low
P1630 GMC – Theft Deterrent Learn Mode Active
P1630 HONDA – Transmission Control Module
P1630 BUICK – Theft Deterrent Learn Mode Active
P1630 CADILLAC – Theft Deterrent Learn Mode Active