Audi P33EB00
Battery management system check DTC memory
Quick answer
P33EB00 means “Battery management system check DTC memory.” Verified evidence links it to charging-communication issues on certain 2020–2021 Audi e-tron vehicles in the US.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does P33EB00 mean?
P33EB00 means “Battery management system check DTC memory.” Verified evidence links it to charging-communication issues on certain 2020–2021 Audi e-tron vehicles in the US.
2. Technical explanation
Audi/NHTSA manufacturer communication 10191572 identifies P33EB00 in connection with interrupted communication between certain DC chargers and the vehicle. The communication interruption can temporarily suspend vehicle charging. The same communication describes AC-charging communication errors and identifies updated onboard-charger (OBC) software as the production solution.
3. What system is affected?
Battery management system DTC memory; verified evidence also concerns DC- and AC-charging communication and onboard-charger software.
4. How serious is this code?
Unknown. The supplied verified evidence does not assign a severity level.
5. Symptoms you may notice
- Charging may temporarily suspend during DC charging when communication between certain DC chargers and the vehicle is interrupted.
- AC-charging communication errors may occur.
6. Possible causes
- Interrupted communication between certain DC chargers and the vehicle.
- Not yet established by verified evidence whether every occurrence of P33EB00 has the same cause.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Charging can be temporarily suspended in the verified DC-charging communication scenario. Whether charging remains safe or available in an individual vehicle is not established by the supplied evidence.
9. What you can safely do
- If charging stops or communication errors occur, arrange evaluation by an authorized Audi service provider.
- Do not attempt high-voltage battery, charging-system, or onboard-charger repairs yourself.
10. Step-by-step troubleshooting
- Record whether the event occurred during AC or DC charging and whether charging temporarily suspended.
- Have the stored DTCs and charging-system software evaluated by an authorized Audi service provider.
11. When to contact service
Contact an authorized Audi service provider, especially if charging repeatedly suspends or AC/DC charging communication errors recur.
12. What the service center may check
- Check stored diagnostic trouble codes, including P33EB00.
- Assess charging communication behavior during the reported AC or DC charging condition.
- Determine whether the vehicle is eligible for the onboard-charger software action described in NHTSA manufacturer communication 10191572.
13. Possible repair or resolution
- The cited communication identifies updated onboard-charger (OBC) software as the production solution.
- The exact repair required for an individual vehicle is not yet established by verified evidence.
14. Affected vehicles
- Audi e-tron · 2020–2021 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication 10191572, published April 30, 2021: identifies P33EB00 and describes interrupted DC-charger/vehicle communication, temporary charging suspension, AC-charging communication errors, and updated OBC software as the production solution. Applicability supplied: 2020–2021 Audi e-tron, US.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
NHTSA Manufacturer Communication PDF 10191572: https://static.nhtsa.gov/odi/tsbs/2021/MC-10191572-0001.pdf
19. Frequently asked questions
What does Audi DTC P33EB00 mean?
It means “Battery management system check DTC memory.”
What charging issue is associated with P33EB00 in the cited communication?
The communication associates it with interrupted communication between certain DC chargers and the vehicle, which can temporarily suspend charging; it also describes AC-charging communication errors.
What solution does the cited communication identify?
Updated onboard-charger software is identified as the production solution.
Which vehicles are covered by the supplied applicability data?
The supplied applicability data identifies US-market 2020–2021 Audi e-tron vehicles.