P2D3B
Hybrid/EV Discharge System Fault
P2D3B is an OBD-II diagnostic trouble code meaning: Hybrid/EV Discharge System Fault. Common causes: high voltage battery fault, problems with the energy management system. Estimated repair cost: $167–556.
Symptoms
- Reduced vehicle power
- Warning messages on the dashboard
- Speed limit
- The car goes into emergency mode
- Unusual sounds from the high voltage system
Causes
- High voltage battery fault
- Problems with the energy management system
- Damage to high voltage cables
- Faulty high voltage contactors
- Software errors in the control system
How to Fix
- Checking the condition of the high-voltage battery
- Energy management system diagnostics
- Inspection of high voltage connections and cables
- Checking high voltage contactors
- Control system software update
- Repair only from an authorized dealer
Related codes
Error P2D3B by Vehicle Brand
FAQ
What does the P2D3B code mean?
P2D3B is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Discharge System Fault
What causes a P2D3B error code?
The most common causes of P2D3B include: High voltage battery fault; Problems with the energy management system; Damage to high voltage cables; Faulty high voltage contactors.
How do I fix a P2D3B diagnostic trouble code?
To fix P2D3B: Checking the condition of the high-voltage battery. Energy management system diagnostics. Inspection of high voltage connections and cables. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2D3B?
Do not drive — repair immediately
How much does it cost to fix P2D3B?
The estimated repair cost for P2D3B is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat