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 the cam sensor simply because cam timing is wrong; this code often points to control, oil-flow, or mechanical timing issues.
Useful checks before replacing parts
- Verify oil level, oil condition, and correct viscosity before testing variable valve timing components.
- Check commanded versus actual cam position, actuator solenoid operation, wiring, and connector condition.
- Inspect for timing-chain stretch, phaser sticking, restricted oil passages, or sludge that can delay cam movement.
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.