P0340
P0340 means "Camshaft Position Sensor 'A' Circuit". Severity: 🔴 High. Avoid driving if possible — this can cause damage or be a safety risk. Get it diagnosed right away.
What the P0340 code means
| Code | P0340 |
| Definition | Camshaft Position Sensor 'A' Circuit |
| System | Powertrain (engine & transmission) |
| Type | Generic (SAE standard) |
| Subsystem | Ignition System or Misfire |
| Severity | 🔴 High |
Common causes of P0340
- Failed camshaft position sensor
- Wiring fault
- Timing problem
How to fix P0340
- Replace the camshaft sensor
- Check wiring and timing
Always confirm the diagnosis with a scan tool and live data before replacing parts.
Is it safe to drive with P0340?
Avoid driving if possible — this can cause damage or be a safety risk. Get it diagnosed right away.
P0340, answered.
What does P0340 mean?
P0340 stands for "Camshaft Position Sensor 'A' Circuit". It is a generic (sae standard) OBD-II powertrain trouble code.
Is it safe to drive with a P0340 code?
Avoid driving if possible — this can cause damage or be a safety risk. Get it diagnosed right away.
What causes P0340?
Common causes include: Failed camshaft position sensor; Wiring fault; Timing problem.
How do you fix P0340?
Typical fixes: Replace the camshaft sensor; Check wiring and timing. Always confirm the diagnosis before replacing parts.