Code status
Needs verification
Not yet verified against SAE J2012_202509 / J2012DA. Treat unverified rows as a lookup aid, not repair authority.
- System
- Emissions
- Scope
- iso-sae-controlled-p0
- Standard
- SAE J2012 / ISO 15031-6
- Source
- legacy-import
Diagnostic boundary
A diagnostic trouble code reports that a monitored test failed. It does not prove one specific part is bad, and manufacturer logic can add vehicle-specific conditions.
Do not smoke-test only for leaks before checking the pressure sensor circuit; the monitor may be failing from bad pressure feedback.
Useful checks before replacing parts
- Compare EVAP pressure sensor voltage or pressure data with key-on and purge or vent commands.
- Inspect sensor connector condition, reference voltage, ground, signal wire, and tank-area harness damage.
- Check related purge, vent, and leak codes because EVAP pressure data is used across several monitor tests.
Related OBD-II codes
These nearby emissions entries can help compare wording and fault area. They may share the same verification status as the source database.