What does code P2AE3 mean?

Q: What does code P2AE3 mean?

Intake Air O2 Sensor Pumping Current Circuit Open Bank 1. P2AE3 indicates that the engine control module has detected an open circuit in the pumping current path for the intake air oxygen sensor on bank 1. This sensor is a wideband air-fuel ratio sensor that uses a pumping current to measure oxygen concentration, and an open circuit means the signal circuit or the sensor's internal heater circuit is broken.

DTC codes / P2Axx · Hybrid propulsion / P2AE3

P2AE3Intake Air O2 Sensor Pumping Current Circuit Open Bank 1

P2AE3 indicates that the engine control module has detected an open circuit in the pumping current path for the intake air oxygen sensor on bank 1. This sensor is a wideband air-fuel ratio sensor that uses a pumping current to measure oxygen concentration, and an open circuit means the signal circuit or the sensor's internal heater circuit is broken.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaHybrid propulsion

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.