B1357 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1357 – Ignition Run Circuit Short To Battery

 

B1357 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1357 Possible Causes

 

Faulty Ignition Switch,Ignition Switch harness is open or shorted,Ignition Switch circuit poor electrical connection,Faulty Smart Junction Box (SJB)

 

B1357 Description

 

The Ignition Switch RUN circuit provides greater than 10 volts through the circuits to the Smart Junction Box (SJB) when the key is in the RUN position. The OBDII sets when the Ignition Switch signal is not factory specifications.