Chevrolet U0672
24-NA-068 GM bulletins are intended fo
Quick answer
For a 2024 Chevrolet Blazer in the US, DTC U0672 is associated in GM bulletin 24-NA-068 with replacement of the battery distribution engine-compartment fuse block. The supplied evidence does not establish the code’s full definition, driving safety, charging safety, symptoms, or a specific root cause.
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 U0672 mean?
For a 2024 Chevrolet Blazer in the US, DTC U0672 is associated in GM bulletin 24-NA-068 with replacement of the battery distribution engine-compartment fuse block. The supplied evidence does not establish the code’s full definition, driving safety, charging safety, symptoms, or a specific root cause.
2. Technical explanation
The verified source is an NHTSA-hosted GM manufacturer communication, bulletin 24-NA-068, published April 22, 2025. Its supplied excerpt lists a unique bulletin labor operation: “Battery Distribution Engine Compartment Fuse Block Replacement for DTC U0672 Set,” with a labor time of 0.5 hour. This establishes that the bulletin includes this replacement operation when U0672 is set; it does not establish why the code sets or confirm that the fuse block is defective in every case.
3. What system is affected?
Battery distribution / engine-compartment fuse block, based on the bulletin labor-operation description.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
Not yet established by verified evidence.
6. Possible causes
- Not yet established by verified evidence. The supplied bulletin excerpt identifies a battery distribution engine-compartment fuse block replacement operation for U0672, but does not state a root cause.
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
- Arrange diagnosis by a Chevrolet/GM-qualified service facility.
- Do not attempt high-voltage or battery-distribution-system repairs yourself.
- Use the vehicle owner’s manual and Chevrolet guidance for any warning messages present.
10. Step-by-step troubleshooting
- Have a service facility verify DTC U0672 and evaluate the vehicle using GM bulletin 24-NA-068, as applicable.
- Not yet established by verified evidence: specific diagnostic steps, connector checks, software actions, or test values.
11. When to contact service
Service evaluation is appropriate because the verified GM bulletin provides a repair labor operation for U0672. The supplied evidence does not state urgency or whether the vehicle must be towed.
12. What the service center may check
- Confirm whether the vehicle is a 2024 Chevrolet Blazer for the US market.
- Confirm U0672 is set.
- Review GM bulletin 24-NA-068 and determine whether its repair procedure applies.
- Evaluate the battery distribution engine-compartment fuse block in accordance with GM service information.
13. Possible repair or resolution
- GM bulletin 24-NA-068 lists “Battery Distribution Engine Compartment Fuse Block Replacement for DTC U0672 Set” as a 0.5-hour unique bulletin labor operation.
- Not yet established by verified evidence: whether replacement resolves every U0672 event or whether additional repairs may be required.
14. Affected vehicles
- Chevrolet Blazer · 2024 · US
15. Related TSBs / service bulletins
- GM bulletin 24-NA-068; NHTSA Manufacturer Communication PDF 11019547; published April 22, 2025. The supplied excerpt lists battery distribution engine-compartment fuse block replacement for DTC U0672 set.
16. Recall information
- No recall is established by the supplied verified evidence.
17. Official manufacturer information
Official source: NHTSA-hosted GM Manufacturer Communication 11019547, bulletin 24-NA-068: https://static.nhtsa.gov/odi/tsbs/2025/MC-11019547-0001.pdf
19. Frequently asked questions
What does U0672 mean on a 2024 Chevrolet Blazer?
The supplied verified evidence does not provide a full DTC definition. It establishes only that GM bulletin 24-NA-068 includes a battery distribution engine-compartment fuse block replacement labor operation when U0672 is set.
Can I drive or charge with U0672?
Not yet established by verified evidence. The supplied bulletin excerpt does not provide driving or charging guidance.
What repair is listed in the GM bulletin?
The supplied excerpt lists “Battery Distribution Engine Compartment Fuse Block Replacement for DTC U0672 Set,” with a 0.5-hour labor time.