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Audi P0C4300

voltage components: To prevent charging of the high-voltage battery during the software update, the high-voltage cable is to be removed BEFORE entry of the SVM code on vehicles wit

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence. The verified service communications specifically require prevention of high-voltage battery charging during the prescribed software-update procedure.
ServiceContact an Audi dealer or qualified service facility for diagnosis and to determine applicability of the documented software update.
Confidence95%

Quick answer

For a verified applicable vehicle, this Audi service information links DTC P0C4300 to a condition addressed by updated software for the thermal management control module (J1024, address word 00C5).

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 P0C4300 mean?

For a verified applicable vehicle, this Audi service information links DTC P0C4300 to a condition addressed by updated software for the thermal management control module (J1024, address word 00C5).

2. Technical explanation

The supplied official Audi manufacturer communications state that P0C4300, or P0CE100, may be stored in the thermal management control module and that new software in J1024 addressed the condition. The communications also contain a service warning: on vehicles with high-voltage components, charging of the high-voltage battery must be prevented during the software update by removing the high-voltage cable before SVM-code entry. This is a technician service procedure, not a customer repair instruction.

3. What system is affected?

Thermal management control module J1024 (address word 00C5).

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • MIL on.
  • DTC P0C4300 stored in the thermal management control module.

6. Possible causes

  • The verified communications identify a condition addressed by updated software in the thermal management control module. A more specific root cause is not yet established by verified evidence.

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. The verified service communications specifically require prevention of high-voltage battery charging during the prescribed software-update procedure.

9. What you can safely do

  • Arrange diagnosis with an Audi dealer or qualified service facility.
  • Provide the stored code P0C4300 and ask the service facility to check applicable Audi service information.
  • Do not attempt high-voltage cable removal or the software-update procedure yourself.

10. Step-by-step troubleshooting

  1. Have a qualified service facility scan the thermal management control module J1024 for P0C4300 and P0CE100.
  2. Have the facility determine whether the applicable updated software is required.

11. When to contact service

Contact an Audi dealer or qualified service facility for diagnosis and to determine applicability of the documented software update.

12. What the service center may check

  • Confirm P0C4300 or P0CE100 in the thermal management control module J1024.
  • Check whether the vehicle is within the documented applicability.
  • Check for the updated J1024 software referenced in the Audi manufacturer communication.

13. Possible repair or resolution

  • The official communication states that new software in the thermal management control module J1024 addressed the condition.
  • The update procedure includes high-voltage safety steps that must be performed by appropriately qualified service personnel.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Audi manufacturer communication/Pending Service Solution replacement, published through NHTSA as MC-10180084-0001 on September 1, 2020. It states that new software in thermal management control module J1024 addressed the condition and references P0C4300 or P0CE100.
  • Audi manufacturer communication/Pending Service Solution replacement, published through NHTSA as MC-10177872-0001 on July 20, 2020. It references P0C4300 or P0CE100 in the thermal management control module.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified official sources: NHTSA-hosted Audi manufacturer communications MC-10180084-0001 (https://static.nhtsa.gov/odi/tsbs/2020/MC-10180084-0001.pdf) and MC-10177872-0001 (https://static.nhtsa.gov/odi/tsbs/2020/MC-10177872-0001.pdf). Verified applicability: 2020 Audi Q5, United States.

19. Frequently asked questions

What does P0C4300 indicate in the supplied Audi evidence?

The supplied Audi communications associate P0C4300 with the thermal management control module and state that new software in J1024 addressed the condition.

Is there an Audi service solution?

Yes. The verified communications state that new software in thermal management control module J1024 addressed the condition.

Can I perform the update-related high-voltage steps myself?

No customer procedure is established by the verified evidence. The communications describe high-voltage cable removal to prevent charging during a software update; this should be handled by qualified service personnel.

Which vehicles are verified as applicable?

The supplied applicability record identifies the 2020 Audi Q5 in the United States. Other applicability is not yet established by verified evidence.

20. Sources & verification

Verified
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