B127F Code: Meaning, Causes, and Symptoms | OBD2 Codes

B127F – Ambient Lighting Zone 2 Output Green LED Circuit


B127F Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B127F Possible Causes


Faulty Ambient Lighting Zone 2,Ambient Lighting Zone 2 harness is open or shorted,Ambient Lighting Zone 2 circuit poor electrical connection,Faulty Heating, Ventilation, and Air-Conditioning (HVAC)


B127F Description


The Heating, Ventilation, and Air-Conditioning (HVAC) monitors the Ambient Lighting Zone 2 Output. The HVAC sets the OBDII code when the Ambient Lighting Zone 2 Output is not to factory specifications.