P102B Code: Meaning, Causes, and Symptoms | OBD2 Codes

P102B – Exhaust Temperature Sensor


P102B Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


P102B Possible Causes


Faulty Exhaust Temperature Sensor,Exhaust Temperature Sensor harness is open or shorted,Exhaust Temperature Sensor circuit poor electrical connection


P102B Description


The Engine Control Module (ECM) monitors the Exhaust Temperature Sensor. The ECM sets the OBDII code when the Exhaust Temperature Sensor is not to factory specifications.