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
P1308
Acceleration Sensor Circuit Low Input
Hyundai
Vehicle Speed and Idle Control System
Low severity
P1309
Acceleration Sensor Circuit High Input
Hyundai
Vehicle Speed and Idle Control System
Low severity
Scan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.