Intake Valve Control Solenoid Circuit Intermittent Bank 1
2012-2019 Fiat 500 1.4L I4
Description
The intake valve control solenoid on Bank 1 has an intermittent electrical fault. Continuous VVT systems use this solenoid to control cam phasing oil flow.
Symptoms
- Check Engine Light comes and goes
- Intermittent rough idle
- Sporadic power loss
- Variable valve noise
- Inconsistent fuel economy
Common Causes
- Loose solenoid connector
- Wiring chafing against engine
- Solenoid internal intermittent failure
- Thermal expansion causing contact loss
- Corroded pins
Diagnostic Steps
- Monitor VVT solenoid command vs cam position
- Wiggle test on solenoid connector
- Inspect wiring harness routing
- Check connector pin tension
- Test solenoid at operating temperature
Repair Notes
Repair connector or replace VVT solenoid. Re-route wiring away from heat sources.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P3015 on Other Vehicles
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.0L I3 Hybrid FireFly 70
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Fiat 500L
2014-2020 1.4L I4 Turbo
Fiat 500X
2016-2024 1.4L I4 Turbo
Fiat Argo
2017-2025 1.0L I4 Flex Firefly
Common Questions
What does code P3015 mean on a 2012-2019 Fiat 500?
P3015 stands for "Intake Valve Control Solenoid Circuit Intermittent Bank 1". The intake valve control solenoid on Bank 1 has an intermittent electrical fault. Continuous VVT systems use this solenoid to control cam phasing oil flow.
What are the symptoms of P3015 on a Fiat 500?
Common symptoms of P3015 include: Check Engine Light comes and goes, Intermittent rough idle, Sporadic power loss, Variable valve noise, Inconsistent fuel economy.
What causes P3015 on a 2012-2019 Fiat 500?
Common causes of P3015 include: Loose solenoid connector, Wiring chafing against engine, Solenoid internal intermittent failure, Thermal expansion causing contact loss, Corroded pins.