P2EA3
Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 6
The exhaust gas temperature sensor on bank 1 sensor 6 reports a circuit low fault. EGT measurement at this position is unreliable.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Temperature sensor failedCommon
- Wiring or connector faultPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Exhaust Gas Temp Sensor B1 S6
- Wiring Harness
- ECM
P2EA3 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.