B142A Code: Meaning, Causes, and Symptoms | OBD2 Codes
B142A – Ignition Voltage
B142A Possible Symptoms
Air Bag Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
B142A Possible Causes
Faulty Air Bag Diagnosis Sensor Unit,Air Bag Diagnosis Sensor Unit harness is open or shorted,Air Bag Diagnosis Sensor Unit circuit poor electrical connection
Ignition voltage is supplied to the air bag diagnosis sensor unit when the ignition is in the ON position. The air bag diagnosis sensor unit will monitor for low or high ignition voltage.