B120F Code: Meaning, Causes, and Symptoms | OBD2 Codes

B120F – Left Heated Seat HI Indicator Control Circuit Open

 

B120F Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B120F Possible Causes

 

Faulty Left Heated Seat Switch,Left Heated Seat Switch harness is open or shorted,Left Heated Seat Switch circuit poor electrical connection,Faulty Instrument Cluster

 

B120F Description

 

The Instrument Cluster monitors the Left Heated Seat Switch. This code is set immediately when the Cluster detects low voltage on the heated seat indicator control circuit.