Audi P060600
ECM/PCM Processor. • DTC P0A1B00: Drive Motor "A" Control Module. Technical Background Software communication timing error on start-up. Production Solution Not applicable. Service
Quick answer
For certain 2022–2023 Audi Q4 e-tron vehicles in the US, DTC P060600 has been documented with a startup software communication-timing issue in Electric drive 2 (DMC2), J944. Audi’s bulletin describes an instrument-cluster message: “Electrical system malfunction! Please contact Service,” with normal operation after a key/ignition cycle.
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 P060600 mean?
For certain 2022–2023 Audi Q4 e-tron vehicles in the US, DTC P060600 has been documented with a startup software communication-timing issue in Electric drive 2 (DMC2), J944. Audi’s bulletin describes an instrument-cluster message: “Electrical system malfunction! Please contact Service,” with normal operation after a key/ignition cycle.
2. Technical explanation
Verified Audi/NHTSA bulletin evidence identifies P060600 as “ECM/PCM Processor” when stored in Electric drive 2 (DMC2), J944, address word 00CE. The same bulletin lists P0A1B00, “Drive Motor ‘A’ Control Module,” and attributes the condition to a software communication timing error on start-up. The bulletin’s confirmation criteria include the warning appearing at vehicle start-up and normal vehicle operation after an ignition cycle.
3. What system is affected?
Electric drive 2 (DMC2), J944, address word 00CE. The diagnostic label for P060600 is “ECM/PCM Processor.”
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- Instrument-cluster message: “Electrical system malfunction! Please contact Service.”
- The warning is displayed on vehicle start-up.
- After a key/ignition cycle, the vehicle operates normally.
6. Possible causes
- Audi identifies a software communication timing error on start-up.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- If the instrument-cluster message is displayed, contact Audi service as directed by the message.
- Record whether the warning occurs at startup and whether it clears after a key/ignition cycle.
- Do not attempt high-voltage or drive-control-module repairs.
10. Step-by-step troubleshooting
- Audi’s documented confirmation points are: verify that the warning is displayed at vehicle start-up and that the vehicle operates normally after an ignition cycle.
- Have a qualified Audi service facility check Electric drive 2 (DMC2), J944, address word 00CE, for DTC P060600 and P0A1B00.
11. When to contact service
Audi service contact is indicated by the documented instrument-cluster message: “Electrical system malfunction! Please contact Service.”
12. What the service center may check
- Confirm whether the warning appears on vehicle startup.
- Confirm whether normal operation returns after an ignition cycle.
- Check Electric drive 2 (DMC2), J944, address word 00CE, for P060600 and P0A1B00.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Audi Q4 e-tron · 2022–2023 · US
15. Related TSBs / service bulletins
- Audi Technical Service Bulletin / NHTSA Manufacturer Communication 10228775, document A9322932068370_2, published December 16, 2022: documents P060600 and P0A1B00 in Electric drive 2 (DMC2), J944, with a startup software communication timing error.
- Audi Technical Service Bulletin / NHTSA Manufacturer Communication 10227025, document A9322842068370_1, published November 7, 2022: documents the same DTCs and startup software communication timing error.
- Production solution: Not applicable, according to the supplied bulletin evidence.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official NHTSA-hosted Audi communication: https://static.nhtsa.gov/odi/tsbs/2022/MC-10228775-0001.pdf
19. Frequently asked questions
What does P060600 mean in the documented Audi case?
It is listed as “ECM/PCM Processor” in Electric drive 2 (DMC2), J944, address word 00CE.
What condition does Audi identify?
A software communication timing error on start-up.
Does the vehicle operate normally afterward?
The bulletin states that after a key/ignition cycle, the vehicle operates normally.
Can the vehicle be driven or charged with this code?
Not yet established by verified evidence.