Code status
Needs verification
Not yet verified against SAE J2012_202509 / J2012DA. Treat unverified rows as a lookup aid, not repair authority.
- System
- Fuel / Air
- 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 replace valve-train hardware before testing the solenoid circuit and oil-control path; range/performance faults need both checks.
Useful checks before replacing parts
- Check oil level, oil quality, solenoid connector condition, wiring integrity, and control-circuit voltage or ground behavior.
- Compare commanded valve-control operation with actual cam or lift response if scan data supports it.
- Inspect for sludge, restricted oil passages, incorrect oil viscosity, or a sticking solenoid before replacing larger parts.
Related OBD-II codes
These nearby fuel / air entries can help compare wording and fault area. They may share the same verification status as the source database.