Verified EV diagnostic knowledge page

Audi P31E700

AC power supply cable Open circuit

DriveUnknown. Whether the vehicle can be driven with P31E700 is not established by the supplied verified evidence.
ChargeUnknown. Whether AC or DC charging remains available with P31E700 is not established by the supplied verified evidence.
ServiceService need is unknown in the supplied diagnostic record. Because this code concerns the AC power supply cable and verified evidence does not provide a safe owner repair procedure, contact an Audi-qualified service provider for diagnosis.
Confidence95%

Quick answer

P31E700 is an Audi DTC defined as “AC power supply cable Open circuit.” Verified evidence lists it for US-market 2020–2021 Audi e-tron vehicles.

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 P31E700 mean?

P31E700 is an Audi DTC defined as “AC power supply cable Open circuit.” Verified evidence lists it for US-market 2020–2021 Audi e-tron vehicles.

2. Technical explanation

The verified diagnostic definition for P31E700 is “AC power supply cable Open circuit.” The supplied official Audi/NHTSA manufacturer communications include this DTC in lists associated with charging-related diagnostic records. The supplied evidence does not establish a component-level failure mechanism, a specific repair, or whether the condition is currently active.

3. What system is affected?

AC power supply cable, based on the verified DTC meaning.

4. How serious is this code?

Unknown. Severity is not established by the supplied verified evidence.

5. Symptoms you may notice

  • An AC power supply cable open-circuit DTC may be stored: P31E700.
  • Additional driver-visible symptoms are not yet established by verified evidence.

6. Possible causes

  • An open-circuit condition identified as “AC power supply cable Open circuit.”
  • Specific underlying causes are not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. Whether the vehicle can be driven with P31E700 is not established by the supplied verified evidence.

8. Can I charge the vehicle?

Unknown. Whether AC or DC charging remains available with P31E700 is not established by the supplied verified evidence.

9. What you can safely do

  • Do not attempt high-voltage cable diagnosis or repair yourself.
  • Have the stored DTC assessed by an Audi-qualified service provider.
  • Record whether the code occurred during AC charging, DC charging, or another condition; this observation is not a verified diagnosis.

10. Step-by-step troubleshooting

  1. Use appropriate Audi diagnostic procedures to confirm and evaluate P31E700.
  2. Further troubleshooting steps are not established by the supplied verified evidence.

11. When to contact service

Service need is unknown in the supplied diagnostic record. Because this code concerns the AC power supply cable and verified evidence does not provide a safe owner repair procedure, contact an Audi-qualified service provider for diagnosis.

12. What the service center may check

  • Confirm whether P31E700 is present or stored in vehicle diagnostic data.
  • Apply the applicable Audi diagnostic information. Specific test steps are not included in the supplied verified evidence.

13. Possible repair or resolution

  • A verified repair resolution is not provided in the supplied evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Audi manufacturer communications submitted to NHTSA, published February 5, 2021 (MC-10186996-0001), March 29, 2021 (MC-10189601-0001), and April 30, 2021 (MC-10191572-0001), list P31E700 among DTCs in their diagnostic content.
  • The supplied excerpts do not establish that these communications provide a repair specifically for P31E700.

16. Recall information

  • No recall information is supplied or established by the verified evidence.

17. Official manufacturer information

Official-source evidence: Audi manufacturer communications available through NHTSA list P31E700 as “AC power supply cable Open circuit.” Applicability in the supplied data is US-market Audi e-tron model years 2020–2021.

19. Frequently asked questions

What does Audi code P31E700 mean?

It means “AC power supply cable Open circuit.”

Which vehicles are covered by the supplied applicability data?

US-market Audi e-tron vehicles for model years 2020–2021.

Can I drive with P31E700?

Not yet established by verified evidence.

Can I charge with P31E700?

Not yet established by verified evidence.

Is there a verified repair for P31E700?

Not yet established by verified evidence.

20. Sources & verification

Verified
Audi P31E700: AC power supply cable Open circuit | EV Diagnostics