P0340high severityPowertrain
Camshaft Position Sensor A Circuit Bank 1
on 2015 Kia Forte 1.8L I4 · FWD
What this code means
Malfunction in the camshaft position (CMP) sensor circuit for Bank 1.
Symptoms
- Check Engine Light
- Hard starting
- Rough running
- Stalling
- Misfire
Common causes
- Faulty CMP sensor
- Wiring damage
- Distributor issue (if equipped)
- Timing chain/belt issue
Diagnostic steps
- Test CMP sensor resistance
- Check wiring
- Scope CMP signal
- Check timing belt/chain
Repair notes
Replace CMP sensor. Check timing components.
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Other Powertrain codes on this vehicle
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P0002
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P0003
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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