C1437 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1437 – Lost Communication With ECM
C1437 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1437 Possible Causes
Faulty Skid Control ECU,Skid Control ECU harness is open or shorted,Skid Control ECU circuit poor electrical connection
The Skid Control ECU receives signals from the Engine Control Module (ECM) via the CAN communication system. The Skid Control ECU will set he OBDII code when data cannot be sent to the ECM.