P0315low severityPowertrain
Crankshaft Position System Variation Not Learned
on 2015 Kia Forte 1.8L I4 · FWD
What this code means
The crankshaft position variation learning procedure has not been performed. Required after replacing the crankshaft sensor or PCM.
Symptoms
- Check Engine Light
- Rough idle
- Misfire codes
Common causes
- CKP variation learn not performed
- Crankshaft sensor recently replaced
- PCM recently replaced or reprogrammed
Diagnostic steps
- Perform CKP variation learn procedure with scan tool
- Ensure engine is at operating temperature
- Follow manufacturer procedure
Repair notes
Perform CKP variation learn procedure.
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