C0899 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C0899 – Control Module Power Circuit Malfunction/Low Voltage

 

C0899 Possible Symptoms

 

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

 

C0899 Possible Causes

 

Faulty Control Module Power,Control Module Power harness is open or shorted,Control Module Power circuit poor electrical connection

 

C0899 Description

 

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Powertrain Control Module (PCM) sets the OBDII code when the Control Module Power is not to factory specifications.