P042D OBD II Trouble Code Catalyst Temperature Sensor Circuit High Bank 1 Sensor 2

How to quickly diagnose, repair, and info on symptoms and causes of a P042D engine code which means the PCM detects a high condition with the bank 1 sensor 2 catalyst temperature sensor circuit.

Symptoms of P042D OBD II Trouble Code

Common Causes of P042D OBD II Trouble Code

Severity of P042D OBD II Trouble Code