Code Definition

P1307 — Rough road sensor fault

System: Powertrain  |  Type: Manufacturer-Specific  |  Make: Hyundai

About P1307

P1307 is a manufacturer-specific powertrain diagnostic trouble code recorded for Hyundai vehicles. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P1307 is stored, the module has detected a sensor-related fault — the reported value from the named sensor is out of spec.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

P1307 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

To avoid false misfire detection, the Engine Control Module uses a rough road sensor, a small accelerometer also called a G sensor, to recognise when the vehicle is travelling over a rough surface. Bumps and corrugations momentarily disturb crankshaft speed in a way that can mimic a misfire, so when the rough road sensor reports rough conditions the ECM suspends misfire monitoring. DTC P1307 is set on Hyundai and Kia vehicles when the ECM detects a fault in the rough road sensor or its circuit, such as an out of range signal, an open, or a short. On some models the rough road information is ta...

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