P1777 Citroen Ignition Retard Request Circuit Fault Possible causes – Step Motor harness is open or shorted – Step Motor poor electrical connection – Faulty Step Motor P1777 Citroen Description The step motor changes the step with turning 4 coils ON/OFF according to the signal from Transmission Control Module (TCM). As a result, the flow…
Tag: P1777
P1777 Chrysler Ignition Retard Request Circuit Fault
P1777 Chrysler Ignition Retard Request Circuit Fault Possible causes – Step Motor harness is open or shorted – Step Motor poor electrical connection – Faulty Step Motor P1777 Chrysler Description The step motor changes the step with turning 4 coils ON/OFF according to the signal from Transmission Control Module (TCM). As a result, the flow…
P1777 Chevrolet Ignition Retard Request Circuit Fault
P1777 Chevrolet Ignition Retard Request Circuit Fault Possible causes – Step Motor harness is open or shorted – Step Motor poor electrical connection – Faulty Step Motor P1777 Chevrolet Description The step motor changes the step with turning 4 coils ON/OFF according to the signal from Transmission Control Module (TCM). As a result, the flow…
P1777 Cadillac Ignition Retard Request Circuit Fault
P1777 Cadillac Ignition Retard Request Circuit Fault Possible causes – Step Motor harness is open or shorted – Step Motor poor electrical connection – Faulty Step Motor P1777 Cadillac Description The step motor changes the step with turning 4 coils ON/OFF according to the signal from Transmission Control Module (TCM). As a result, the flow…
P1777 Buick Ignition Retard Request Circuit Fault
P1778 Buick Transmission Reverse I/P Circuit Malfunction Possible causes – Faulty Step Motor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1778 Buick Description The step motor’s 4 aspects of ON/OFF change according to the signal from Transmission Control Module (TCM). As a result, the flow of line pressure to primary pulley…
P1777 BMW Ignition Retard Request Circuit Fault
P1777 BMW Ignition Retard Request Circuit Fault Possible causes – Step Motor harness is open or shorted – Step Motor poor electrical connection – Faulty Step Motor P1777 BMW Description The step motor changes the step with turning 4 coils ON/OFF according to the signal from Transmission Control Module (TCM). As a result, the flow…
P1777 Audi Ignition Retard Request Circuit Fault
P1777 Audi Ignition Retard Request Circuit Fault Possible causes – Step Motor harness is open or shorted – Step Motor poor electrical connection – Faulty Step Motor P1777 Audi Description The step motor changes the step with turning 4 coils ON/OFF according to the signal from Transmission Control Module (TCM). As a result, the flow…
P1777 Acura Ignition Retard Request Circuit Fault
P1777 Acura Ignition Retard Request Circuit Fault Possible causes – Step Motor harness is open or shorted – Step Motor poor electrical connection – Faulty Step Motor P1777 Acura Description The step motor changes the step with turning 4 coils ON/OFF according to the signal from Transmission Control Module (TCM). As a result, the flow…
P1777 Ignition Retard Request Circuit Fault
P1777 Ignition Retard Request Circuit Fault Possible causes – Step Motor harness is open or shorted – Step Motor poor electrical connection – Faulty Step Motor P1777 Description The step motor changes the step with turning 4 coils ON/OFF according to the signal from Transmission Control Module (TCM). As a result, the flow of line…