OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P24C3?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOne sensor has drifted
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 1–3 h
- Emissions test
- Likely to fail
- Parts involved
- Egt Sensor B2s1, Egt Sensor B2s2, Egt Sensor B2s3, Egt Sensor B2s4
Related codes
- P24C2Exhaust Gas Temperature Measurement System Multiple Sensor Correlation Bank 1
- P24C0EVAP System Leak Detection Pump Switching Valve Stuck On
- P24C1EVAP System Leak Detection Pump Switching Valve Performance Stuck Off
- P24C4EGR Cooler Bypass Position Sensor Exceeded Learning Limit Bank 1
- P24C5EGR Cooler Bypass Position Sensor Exceeded Learning Limit Bank 2
- P24C6Particulate Matter Sensor Temperature Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.