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Audi B126111

Windshield washer pump Short circuit to Ground (GND). • B126113: Windshield washer pump Open circuit. Either symptom is easily reproduced. Technical Background If the window washer

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService is appropriate if the windshield washer system is inoperative, there is a washer-solvent leak, or B126111 remains stored. Specific service urgency is not established by verified evidence.
Confidence95%

Quick answer

B126111 indicates a short circuit to ground reported for the windshield washer pump. Audi’s verified bulletin states that a blocked washer pump caused by frozen washer fluid can increase pump resistance and store this DTC; it may be static or sporadic.

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 B126111 mean?

B126111 indicates a short circuit to ground reported for the windshield washer pump. Audi’s verified bulletin states that a blocked washer pump caused by frozen washer fluid can increase pump resistance and store this DTC; it may be static or sporadic.

2. Technical explanation

The verified Audi/NHTSA manufacturer communication lists B126111 as “Windshield washer pump Short circuit to Ground (GND).” The code may be stored in the BCM, J519 (address word 0009), and may be static or sporadic. The bulletin also lists B126101 and B126113 in the same washer-pump context. Its technical background states that if the washer pump becomes blocked due to frozen washer fluid, pump resistance exceeds an upper limit and one or more of these DTCs may be stored.

3. What system is affected?

Windshield washer system; windshield washer pump. The cited communication identifies BCM J519, address word 0009, as the module where the DTC may be stored.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Windshield washer system inoperative.
  • Windshield washer solvent leak.

6. Possible causes

  • The washer pump becomes blocked due to frozen washer fluid, causing pump resistance to exceed an upper limit.
  • Not yet established by verified evidence whether other causes apply.

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

  • Do not attempt high-voltage repair procedures.
  • Use the verified Audi diagnostic information or have an Audi-qualified service provider evaluate the washer system and stored DTCs.

10. Step-by-step troubleshooting

  1. Confirm whether B126111 is stored in BCM J519 (address word 0009) and whether it is static or sporadic.
  2. Check the vehicle against the Audi bulletin’s stated condition of an inoperative washer system and/or washer-solvent leak.
  3. Consider the bulletin’s documented frozen-fluid pump-blockage condition when evaluating the code. Further diagnostic steps are not established by the supplied verified evidence.

11. When to contact service

Service is appropriate if the windshield washer system is inoperative, there is a washer-solvent leak, or B126111 remains stored. Specific service urgency is not established by verified evidence.

12. What the service center may check

  • Retrieve fault memory from BCM J519, address word 0009.
  • Determine whether the DTC is static or sporadic.
  • Assess the documented condition of possible washer-pump blockage due to frozen washer fluid.
  • Assess the reported washer-system operation and any washer-solvent leak.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Audi/NHTSA Manufacturer Communication MC-10216043-0001, published July 14, 2022: documents B126111, B126101, and B126113 in connection with an inoperative windshield washer system and/or washer-solvent leak. It states that frozen washer fluid can block the pump, increase resistance beyond an upper limit, and result in one or more of these DTCs.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified source: NHTSA Manufacturer Communication PDF 10216043, Audi bulletin A9222312067557_1: https://static.nhtsa.gov/odi/tsbs/2022/MC-10216043-0001.pdf

19. Frequently asked questions

What does Audi code B126111 mean?

It means “Windshield washer pump Short circuit to Ground (GND),” according to the verified Audi manufacturer communication.

Can frozen washer fluid be related to B126111?

Yes. The verified bulletin states that frozen washer fluid can block the washer pump, causing resistance to exceed an upper limit and allowing one or more listed DTCs, including B126111, to be stored.

Which vehicles are covered by the supplied applicability evidence?

US-market 2019–2024 Audi A7, A8, Q4 e-tron, Q5, RS e-tron GT, e-tron, and e-tron GT are listed in the supplied applicability evidence.

Is B126111 safe to drive or charge with?

Not yet established by verified evidence.

20. Sources & verification

Verified
Audi B126111: Windshield washer pump Short circuit to Ground (GND). •… | EV Diagnostics