P0335high severityPowertrain
Crankshaft Position Sensor A Circuit
on 2020 Subaru Legacy 2.5L H4 · AWD
What this code means
Malfunction in the crankshaft position (CKP) sensor circuit. The CKP sensor is critical for engine timing and operation.
Symptoms
- Check Engine Light
- No start condition
- Engine stalling
- Intermittent misfire
- Tachometer erratic or dead
Common causes
- Faulty CKP sensor
- Damaged reluctor/tone ring
- Wiring issue
- Sensor gap incorrect
- Oil contamination on sensor
Diagnostic steps
- Test CKP sensor resistance
- Check air gap
- Inspect reluctor ring for damage
- Test wiring continuity
- Scope CKP signal pattern
Repair notes
Replace CKP sensor. Check reluctor ring. CKP variation learn may be needed after replacement.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1