P24C3
Exhaust Gas Temperature Measurement System Multiple Sensor Correlation Bank 2
The multiple EGT sensors on bank 2 disagree by more than the diagnostic tolerance under stable conditions - one of them has drifted relative to the others.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- One sensor has driftedCommon
Parts involved
- Egt Sensor B2s1
- Egt Sensor B2s2
- Egt Sensor B2s3
- Egt Sensor B2s4
P24C3 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.