Audi P33F000
To prevent the high-voltage battery from charging durin
Quick answer
For a 2020 Audi Q5 in the US, P33F000 is documented in an Audi/NHTSA manufacturer communication only as part of a specific Battery Regulation Control Module J840 (address 008C) DTC combination: P0AC000 together with P33F000, with no additional DTCs in J840. In that situation, the communication directs technicians to perform its TSB procedure.
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 P33F000 mean?
For a 2020 Audi Q5 in the US, P33F000 is documented in an Audi/NHTSA manufacturer communication only as part of a specific Battery Regulation Control Module J840 (address 008C) DTC combination: P0AC000 together with P33F000, with no additional DTCs in J840. In that situation, the communication directs technicians to perform its TSB procedure.
2. Technical explanation
The supplied evidence gives the truncated title/meaning: “To prevent the high-voltage battery from charging durin”. It does not establish the complete code definition. The official manufacturer communication identifies P33F000 as relevant when logged in Battery Regulation Control Module J840, address word 008C, together with P0AC000. The communication states that improved software was the production solution.
3. What system is affected?
Battery Regulation Control Module J840 (address word 008C); high-voltage battery charging is referenced by the supplied evidence.
4. How serious is this code?
Unknown. Severity is not established by the verified evidence.
5. Symptoms you may notice
- Not yet established by verified evidence.
6. Possible causes
- The manufacturer communication says the condition can register as inaccurate under unusual conditions, but the supplied excerpt does not establish a complete cause for P33F000.
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. The verified evidence does not establish whether the vehicle is safe to drive.
8. Can I charge the vehicle?
Unknown. The supplied code title references prevention of high-voltage battery charging, but the verified evidence does not establish whether charging is permitted, prevented, or safe for an affected vehicle.
9. What you can safely do
- Arrange diagnosis by an Audi-qualified service facility.
- Do not attempt high-voltage battery or control-module repair yourself.
- Record all DTCs stored in J840/address 008C for the service facility.
10. Step-by-step troubleshooting
- A technician should check whether J840/address 008C contains P0AC000 together with P33F000.
- The cited TSB applies only when P0AC000 and P33F000 are logged in J840/address 008C and no other DTCs are present there.
- If additional DTCs beyond the listed combinations are present in J840/address 008C, the communication directs standard diagnosis outside the TSB.
11. When to contact service
Contact an Audi service facility for diagnosis, particularly if P0AC000 and P33F000 are both stored in Battery Regulation Control Module J840/address 008C.
12. What the service center may check
- Scan Battery Regulation Control Module J840 at address word 008C.
- Confirm whether P0AC000 is stored with P33F000.
- Confirm whether any additional DTCs are stored in J840/address 008C.
- If the specified combination is present with no other J840 DTCs, follow the applicable manufacturer TSB procedure.
- If other J840 DTCs are present, continue with standard diagnosis outside that TSB.
13. Possible repair or resolution
- The manufacturer communication identifies improved software as the production solution.
- For the defined DTC combination, the communication instructs technicians to perform the TSB procedure. The supplied evidence does not establish the detailed repair steps.
14. Affected vehicles
- Audi Q5 · 2020 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 10194492, Audi document A9321502059309_3, published 2021-05-26: applies to the defined J840/address 008C DTC combination of P0AC000 with P33F000 and no additional J840 DTCs. https://static.nhtsa.gov/odi/tsbs/2021/MC-10194492-0001.pdf
- NHTSA Manufacturer Communication PDF 10194496, Audi document A9321512059309_4, published 2021-05-26: contains the same supplied applicability criteria. https://static.nhtsa.gov/odi/tsbs/2021/MC-10194496-0001.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified applicability: Audi Q5, model year 2020, US. The official sources supplied are NHTSA-hosted Audi manufacturer communications published May 26, 2021.
19. Frequently asked questions
Does the cited Audi TSB apply to P33F000 by itself?
No. The supplied communication lists P33F000 with P0AC000 in J840/address 008C as the relevant combination; it does not list P33F000 alone as a TSB-applicable condition.
What if other DTCs are stored in J840?
The communication says the TSB does not apply if other DTCs in addition to the listed combinations are logged in J840/address 008C. Standard diagnosis continues outside the TSB.
Is this confirmed for all Audi vehicles?
No. The supplied verified applicability identifies only the 2020 Audi Q5 in the US.