Back to 2018 Mazda Mazda3

2018 MAZDA MAZDA3

2.5L I4FWDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor473Torque4924Fluid6DTC917Battery0Maintenance0Recalls4
P0338high severityPowertrain

Crankshaft Position Sensor A Circuit High Input

on 2018 Mazda Mazda3 2.5L I4 · FWD

What this code means

High signal from CKP sensor.

Symptoms

  • Check Engine Light
  • No start
  • Erratic operation

Common causes

  • Short to voltage
  • Faulty sensor
  • Wiring issue

Diagnostic steps

  1. Test signal voltage
  2. Check for shorts to power

Repair notes

Replace sensor or repair wiring.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →