2023 Mazda P0335: What It Means & Is It Safe to Drive?
P0335 on the 2023 Mazda: Crankshaft Position Sensor A Circuit Malfunction. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
What this code means
The PCM is not receiving the expected signal from the crankshaft position sensor (CKP). This sensor tells the ECM the exact position and speed of the crankshaft. Without it, the engine may not start or will stall and run poorly.
Common causes on the 2023 Mazda
- Failed crankshaft position sensor
- Damaged or corroded sensor wiring/connector
- Tone ring (reluctor wheel) damage or debris
- Failed PCM (rare)
Symptoms
- Engine won't start or stalls unexpectedly
- Check Engine Light on
- Engine cranks but will not fire
- Intermittent stalling at speed
Typical fixes
- Replace crankshaft position sensor
- Inspect and repair wiring harness and connector
- Check tone ring for damage or packed debris
Repair cost range
For a 2023 Mazda, repairs for P0335 typically fall between $100 and $350, depending on the root cause and labor rates in your area.
Known issues on Mazda
Mazda P0335 on MZR-engined models typically means a failed crank sensor or a damaged tone ring. On the CX-7 2.3T, oil leaks from the front crankshaft seal can contaminate the crank sensor and cause intermittent P0335 faults—inspect the front seal for leakage before replacing the sensor.
Most commonly affected models