P0337high severityPowertrain
Crankshaft Position Sensor A Circuit Low Input
on 2021 Nissan Leaf Electric 40kWh · FWD
What this code means
Low or no signal from CKP sensor.
Symptoms
- No start
- Stalling
- Erratic tachometer
Common causes
- Faulty sensor
- Short to ground
- Wiring open
- Corroded connector
Diagnostic steps
- Test sensor signal
- Check for shorts
- Inspect wiring and connector
Repair notes
Replace CKP sensor or repair wiring.
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