OBD-II code · Powertrain (generic, extended)
P2CD3 Hybrid/EV Battery Pack N Deterioration
The BMS detects accelerated deterioration in battery pack subsection N. Cell voltage delta, internal resistance, or capacity has dropped below threshold for the affected sub-pack.
Is it safe to drive with P2CD3?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyCells aged beyond compensation
- PossibleThermal stress shortened cell life
- Less likelyPack cell imbalance approaching service threshold
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 4–20 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Hybrid Battery Pack N, Bms
Related codes
- P0EDFHybrid/EV Battery Pack B Deterioration
- P0EE0Hybrid/EV Battery Pack C Deterioration
- P0EE1Hybrid/EV Battery Pack D Deterioration
- P0EE2Hybrid/EV Battery Pack E Deterioration
- P0EE3Hybrid/EV Battery Pack F Deterioration
- P2CCCHybrid/EV Battery Pack G Deterioration
- P2CCDHybrid/EV Battery Pack H Deterioration
- P2CCEHybrid/EV Battery Pack I Deterioration
- P2CCFHybrid/EV Battery Pack J Deterioration
- P2CD0Hybrid/EV Battery Pack K Deterioration
- P2CD1Hybrid/EV Battery Pack L Deterioration
- P2CD2Hybrid/EV Battery Pack M Deterioration
- P2CD4A/C Refrigerant Pressure Sensor A/B Correlation
- P2CD5Turbocharger/Supercharger Bypass Valve C Stuck
- P2CD6Turbocharger/Supercharger Boost Sensor D Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.