P0340high severityPowertrain
Camshaft Position Sensor A Circuit Bank 1
on 2016 Chevrolet Impala 3.6L V6 LFX · AWD
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.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1