P0021
P0021 means "Camshaft Position 'A' - Timing Over-Advanced (Bank 2)". Severity: 🟡 Moderate. You can often drive short distances, but address it promptly to avoid further damage.
What the P0021 code means
| Code | P0021 |
| Definition | Camshaft Position 'A' - Timing Over-Advanced (Bank 2) |
| System | Powertrain (engine & transmission) |
| Type | Generic (SAE standard) |
| Subsystem | Network / Fuel & Air |
| Severity | 🟡 Moderate |
Common causes of P0021
- Low/dirty oil
- Faulty VVT solenoid (bank 2)
- Timing wear
How to fix P0021
- Change oil
- Replace bank 2 VVT solenoid
- Inspect timing
Always confirm the diagnosis with a scan tool and live data before replacing parts.
Is it safe to drive with P0021?
You can often drive short distances, but address it promptly to avoid further damage.
P0021, answered.
What does P0021 mean?
P0021 stands for "Camshaft Position 'A' - Timing Over-Advanced (Bank 2)". It is a generic (sae standard) OBD-II powertrain trouble code.
Is it safe to drive with a P0021 code?
You can often drive short distances, but address it promptly to avoid further damage.
What causes P0021?
Common causes include: Low/dirty oil; Faulty VVT solenoid (bank 2); Timing wear.
How do you fix P0021?
Typical fixes: Change oil; Replace bank 2 VVT solenoid; Inspect timing. Always confirm the diagnosis before replacing parts.