C1949 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1949 – Accelerometer Sensor Circuit Open

 

C1949 Possible Symptoms

 

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

 

C1949 Possible Causes

 

Faulty Accelerometer Sensor Circuit,Accelerometer Sensor Circuit harness is open or shorted,Accelerometer Sensor Circuit circuit poor electrical connection

 

C1949 Description

 

The Anti-Lock Brake System (ABS) Module monitors the Accelerometer Sensor Circuit. The ABS Module sets the OBDII code when the Accelerometer Sensor Circuit is not to factory specifications.