OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
Free on OBD DashX
Looking for real-world repair data?
OBD DashX shows which problems come with each code, how often they show up in other vehicles, and how to fix them — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
Fault codes
P246F
Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 4
Auxiliary Emissions Control
Medium severity
P2472
Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 4
Auxiliary Emissions Control
Medium severity
P2476
Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 4
Auxiliary Emissions Control
Medium severity
P2478
Exhaust Gas Temperature Out of Range Bank 1 Sensor 1
Auxiliary Emissions Control
Medium severity
P247A
Exhaust Gas Temperature Out of Range Bank 1 Sensor 3
Auxiliary Emissions Control
Medium severity
P247D
Exhaust Gas Temperature Out of Range Bank 2 Sensor 2
Auxiliary Emissions Control
Medium severity
P2480
Exhaust Gas Temperature Sensor Circuit/Open Bank 1 Sensor 5
Auxiliary Emissions Control
Medium severity
P2483
Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 5
Auxiliary Emissions Control
Medium severity
P2486
Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 5
Auxiliary Emissions Control
Medium severity
P2489
Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5
Auxiliary Emissions Control
Medium severity
Scan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.