C1735 – Ignition Signal

C1735 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

C1735 Possible Causes

CAN communication,Faulty Body Control Module (BCM),Faulty Ignition Switch,BCM/Ignition Switch harness is open or shorted,BCM/Ignition Switch circuit poor electrical connection

C1735 Description

The Body Control Module (BCM) monitors the IGN ON signal on the CAN line and compares it to the direct IGN ON signal. When these two signals do not match, the BCM sets C1735.