B2443 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B2443 – Powertrain Performance Mode Switch Circuit failure

 

B2443 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B2443 Possible Causes

 

Faulty Powertrain Performance Mode Switch,Powertrain Performance Mode Switch harness is open or shorted,Powertrain Performance Mode Switch circuit poor electrical connection,Faulty Powertrain Control Module (PCM)

 

B2443 Description

 

The Powertrain Control Module (PCM) monitors the Powertrain Performance Mode Switch. The PCM sets the OBDII code when the Powertrain Performance Mode Switch is not to factory specifications.