P2D4B
Hybrid/EV Battery Pack G Over Temperature
P2D4B is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack G Over Temperature. Common causes: battery cooling system malfunction, clogged or dirty battery cooling radiator. Estimated repair cost: $167–889.
Symptoms
- Reduced vehicle power
- Switching to emergency mode
- Battery overheat warning on dashboard
- Reducing the range of an electric vehicle
- Starting system failure
Causes
- Battery cooling system malfunction
- Clogged or dirty battery cooling radiator
- Faulty battery temperature sensors
- Damage to battery cells
- Excessive load on the battery
How to Fix
- Check the level and condition of the coolant
- Inspect the radiator and fans of the battery cooling system
- Check the operation of battery temperature sensors
- Diagnose the condition of battery cells
- Check the wiring harness to the temperature sensors
Related codes
Error P2D4B by Vehicle Brand
FAQ
What does the P2D4B code mean?
P2D4B is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack G Over Temperature
What causes a P2D4B error code?
The most common causes of P2D4B include: Battery cooling system malfunction; Clogged or dirty battery cooling radiator; Faulty battery temperature sensors; Damage to battery cells.
How do I fix a P2D4B diagnostic trouble code?
To fix P2D4B: Check the level and condition of the coolant. Inspect the radiator and fans of the battery cooling system. Check the operation of battery temperature sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2D4B?
Do not drive — repair immediately
How much does it cost to fix P2D4B?
The estimated repair cost for P2D4B is $167–889. Actual cost depends on your vehicle, location, and labor rates.
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