Volvo U24004A
2022 - 202122-202128 236 2022-2022 - 202123-202128 238 2022-2022 - 202123-202140 246 2022-2022 21 - 202123-202128 246 2022-2022 36 - 202123-202141 SERVICE: *A new modified BCM2 (Br
Quick answer
Volvo DTC U24004A is documented in Technical Journal (TJ) 36044 for certain 2022 US Volvo vehicles. The bulletin identifies BCM2 (Brake Control Module) and states that modified BCM2 software was released.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
Watch Videos
Relevant videos play here without leaving this diagnostic page.
No sufficiently relevant embeddable video has been accepted for this diagnostic yet.
Videos are supporting material and never override OEM or regulator evidence.
1. What does U24004A mean?
Volvo DTC U24004A is documented in Technical Journal (TJ) 36044 for certain 2022 US Volvo vehicles. The bulletin identifies BCM2 (Brake Control Module) and states that modified BCM2 software was released.
2. Technical explanation
Verified evidence identifies U24004A as a BCM2 diagnostic trouble code that may be recorded as Permanent or Intermittent. The supplied source does not establish a plain-language fault definition beyond the code, its BCM2 association, and the service communication context.
3. What system is affected?
BCM2 — Brake Control Module.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- The source lists the customer symptom code: “Warning lights and chimes/Tire pressure monitoring, Service required warning.”
- No additional symptoms are established by verified evidence.
6. Possible causes
- The supplied evidence does not establish a root cause for U24004A.
- TJ 36044 states that a new modified BCM2 software version was released.
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 a service-required warning, warning lights, or chimes are present, arrange diagnosis by an authorized Volvo service provider.
- Do not attempt brake-control-module software programming or repair without appropriate Volvo service procedures and equipment.
10. Step-by-step troubleshooting
- Confirm whether U24004A is stored in BCM2 and whether it is reported as Permanent or Intermittent.
- Check the vehicle’s eligibility for Volvo TJ 36044 using its exact vehicle identification and production information.
- Not yet established by verified evidence: further diagnostic steps, test values, wiring checks, or component-level repair procedures.
11. When to contact service
Contact an authorized Volvo service provider to determine whether TJ 36044 applies and whether the BCM2 software update is appropriate.
12. What the service center may check
- Verify DTC U24004A in BCM2.
- Determine whether the DTC status is Permanent or Intermittent.
- Verify vehicle applicability against TJ 36044 and the exact vehicle production range.
- Assess BCM2 software status using Volvo-approved diagnostic information.
13. Possible repair or resolution
- TJ 36044 states that new modified BCM2 software was released.
- The supplied evidence does not establish the complete repair procedure, programming prerequisites, or expected result for every vehicle.
14. Affected vehicles
- Volvo S60 · 2022 · US
- Volvo S90 · 2022 · US
- Volvo V60 · 2022 · US
- Volvo XC40 · 2022 · US
- Volvo XC60 · 2022 · US
- Volvo XC90 · 2022 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 10212894 — Volvo Technical Journal 36044, published February 9, 2022. It documents BCM2 U24004A as Permanent or Intermittent and states that modified BCM2 software was released.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication PDF 10212894, Volvo Technical Journal 36044: https://static.nhtsa.gov/odi/tsbs/2022/MC-10212894-9999.pdf
19. Frequently asked questions
What module is associated with U24004A?
The verified source associates U24004A with BCM2, identified as the Brake Control Module.
Can U24004A be permanent or intermittent?
Yes. TJ 36044 lists BCM2 U24004A with both Permanent and Intermittent fault types.
Is there a Volvo service communication for this code?
Yes. Volvo TJ 36044 states that a new modified BCM2 software version was released.
Does this evidence confirm that the vehicle is safe to drive or charge?
No. Drive and charging safety are not established by the supplied verified evidence.