Code status
Needs verification
Not yet verified against SAE J2012_202509 / J2012DA. Treat unverified rows as a lookup aid, not repair authority.
- System
- Ignition / Misfire
- 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 all glow plugs automatically; controller, power supply, wiring, and individual plug faults need to be separated.
Useful checks before replacing parts
- Check glow plug relay or control module command, fuse links, power feed, ground path, and circuit current draw.
- Test individual glow plugs and harness connections using service-information limits for resistance or current.
- Review cold-start symptoms, battery condition, ambient temperature, and related cylinder-specific glow plug codes.
Related OBD-II codes
These nearby ignition / misfire entries can help compare wording and fault area. They may share the same verification status as the source database.