EV/Hybrid Battery Preconditioning System Fault
2018-2021 Mitsubishi Outlander PHEV 2.0L I4 PHEV
Description
The battery preconditioning system that heats or cools the battery before charging or driving has a fault.
Symptoms
- Battery not preconditioned for fast charging
- Reduced fast charge speed in cold weather
- Battery not warmed before departure
- Higher energy consumption in cold
- Range reduced in extreme temperatures
Common Causes
- Preconditioning control module fault
- PTC heater element failure
- Heat pump refrigerant circuit leak
- Preconditioning pump failure
- Timer or scheduled charge communication error
Diagnostic Steps
- Test preconditioning activation via scan tool
- Monitor battery temperature during preconditioning
- Check PTC heater circuit
- Test preconditioning coolant pump
- Verify scheduled charge and precondition settings
Repair Notes
Replace failed PTC heater, pump, or control module. Ensure scheduled charging settings are configured to enable preconditioning.
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
P3473 on Other Vehicles
Common Questions
What does code P3473 mean on a 2018-2021 Mitsubishi Outlander PHEV?
P3473 stands for "EV/Hybrid Battery Preconditioning System Fault". The battery preconditioning system that heats or cools the battery before charging or driving has a fault.
What are the symptoms of P3473 on a Mitsubishi Outlander PHEV?
Common symptoms of P3473 include: Battery not preconditioned for fast charging, Reduced fast charge speed in cold weather, Battery not warmed before departure, Higher energy consumption in cold, Range reduced in extreme temperatures.
What causes P3473 on a 2018-2021 Mitsubishi Outlander PHEV?
Common causes of P3473 include: Preconditioning control module fault, PTC heater element failure, Heat pump refrigerant circuit leak, Preconditioning pump failure, Timer or scheduled charge communication error.