P0020moderate severityPowertrain
Intake Camshaft Position Actuator Circuit/Open Bank 2
on 2020 Mazda Mazda3 2.5L I4 · FWD
What this code means
The PCM detected a malfunction in the intake camshaft position actuator circuit for Bank 2.
Symptoms
- Check Engine Light
- Rough idle
- Reduced power
- Startup rattle
Common causes
- Faulty VVT solenoid Bank 2
- Wiring damage
- Low oil level
- PCM failure
Diagnostic steps
- Test VVT solenoid resistance
- Inspect wiring
- Check oil level
- Command solenoid with scan tool
Repair notes
Replace VVT solenoid Bank 2 or repair wiring.
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