B0045 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B0045 – Driver Side Deployment Loop Short To Ground/Voltage Out Of Range


B0045 Possible Symptoms


Air Bag Warning Light ON


B0045 Possible Causes


Faulty Drive’s Side Air Bag Module,Drive’s Side Air Bag Module harness is open or shorted,Drive’s Side Air Bag Module circuit poor electrical connection,Faulty Sensing and Diagnostic Module (SDM)


B0045 Description


When the ignition switch is turned to RUN position, Sensing and Diagnostic Module (SDM) performs tests to diagnose critical internal malfunctions. SDM then performs deployment loop voltage out of range test and deployment loop resistance measurement test. If voltage out of range test detects a short to voltage condition, the resistance measurement test will not be performed.