B22AA Code: Meaning, Causes, and Symptoms | OBD2 Codes

B22AA – DC To DC Converter Control Module Internal

 

B22AA Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B22AA Possible Causes

 

Faulty Voltage Stability Module (VSM),Voltage Stability Module (VSM) harness is open or shorted,Voltage Stability Module (VSM) circuit poor electrical connection

 

B22AA Description

 

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) detects an internal failure in the Voltage Stability Module (VSM).