P2D4C
Hybrid/EV Battery Pack H Over Temperature
P2D4C is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack H Over Temperature. Common causes: battery cooling system malfunction, clogged cooling system air filter. Estimated repair cost: $56–556.
Symptoms
- Reduced vehicle power
- Dashboard warning
- Range limitation (for EVs)
- The car goes into emergency mode
- Disabling the High Voltage System
Causes
- Battery cooling system malfunction
- Clogged cooling system air filter
- Faulty battery temperature sensors
- Damage to the high voltage battery
- Intensive use in hot weather
How to Fix
- Check coolant level (if liquid cooled)
- Inspect the fans and radiators of the battery cooling system
- Check battery temperature sensors
- Diagnose the condition of a high-voltage battery
- Contact a specialized service for hybrid/electric cars
Related codes
Error P2D4C by Vehicle Brand
FAQ
What does the P2D4C code mean?
P2D4C is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack H Over Temperature
What causes a P2D4C error code?
The most common causes of P2D4C include: Battery cooling system malfunction; Clogged cooling system air filter; Faulty battery temperature sensors; Damage to the high voltage battery.
How do I fix a P2D4C diagnostic trouble code?
To fix P2D4C: Check coolant level (if liquid cooled). Inspect the fans and radiators of the battery cooling system. Check battery temperature sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2D4C?
Do not drive — repair immediately
How much does it cost to fix P2D4C?
The estimated repair cost for P2D4C is $56–556. Actual cost depends on your vehicle, location, and labor rates.
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