Audi B126101
Windshield washer pump electrical error. • B126111: Windshield washer pump Short circuit to Ground (GND). • B126113: Windshield washer pump Open circuit. Either symptom is easily r
Quick answer
Audi DTC B126101 indicates a windshield washer pump electrical error. Verified related variants are B126111 (short circuit to ground) and B126113 (open circuit).
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 B126101 mean?
Audi DTC B126101 indicates a windshield washer pump electrical error. Verified related variants are B126111 (short circuit to ground) and B126113 (open circuit).
2. Technical explanation
An Audi manufacturer communication states that these DTCs may be stored in the BCM/J519 control module at address 0009, either static or sporadic. The communication describes reports of an inoperative windshield washer system and/or windshield-washer-fluid leak. It also states that if washer fluid freezes and blocks the washer pump, pump resistance can exceed an upper limit.
3. What system is affected?
Windshield washer system; Body Control Module (BCM), J519, address word 0009.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- Windshield washer system inoperative.
- Windshield washer solvent/fluid leak.
- DTC may be static or sporadic in BCM/J519.
6. Possible causes
- A washer pump blocked by frozen washer fluid, causing pump resistance to exceed the upper limit.
- For B126111, the verified DTC description is a short circuit to ground.
- For B126113, the verified DTC description is an open circuit.
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 repairs; no high-voltage involvement is established by the verified evidence.
- Have the stored fault codes assessed by an Audi service provider if washer operation is inoperative or fluid is leaking.
10. Step-by-step troubleshooting
- Verified evidence identifies the BCM/J519, address word 0009, as the module in which these DTCs may be stored.
- The supplied evidence does not establish a complete owner or technician troubleshooting procedure.
11. When to contact service
Contact an Audi service provider if the windshield washer system is inoperative, washer fluid is leaking, or B126101, B126111, or B126113 is stored.
12. What the service center may check
- Check BCM/J519 at address word 0009 for stored static or sporadic DTCs B126101, B126111, and B126113.
- Consider the manufacturer-described condition of a washer pump blocked by frozen washer fluid.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Audi A7 · 2019–2024 · US
- Audi A8 · 2019–2024 · US
- Audi Q4 e-tron · 2019–2024 · US
- Audi Q5 · 2019–2024 · US
- Audi RS e-tron GT · 2019–2024 · US
- Audi e-tron · 2019–2024 · US
- Audi e-tron GT · 2019–2024 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 10216043: A9222312067557_1, published July 14, 2022. It applies to Audi vehicles listed as model years 2019–2024, with the supplied applicability data identifying US-market A7, A8, Q4 e-tron, Q5, RS e-tron GT, e-tron, and e-tron GT.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA Manufacturer Communication PDF 10216043, Audi communication A9222312067557_1: https://static.nhtsa.gov/odi/tsbs/2022/MC-10216043-0001.pdf
19. Frequently asked questions
What does Audi code B126101 mean?
It means “Windshield washer pump electrical error,” according to the verified Audi manufacturer communication.
What are B126111 and B126113?
B126111 is described as a windshield washer pump short circuit to ground. B126113 is described as a windshield washer pump open circuit.
Can frozen washer fluid be relevant?
Yes. The verified communication states that frozen washer fluid can block the pump, causing its resistance to exceed an upper limit.
Which module can store these codes?
The verified communication states that the BCM/J519, address word 0009, may store these codes, either static or sporadic.