Ford U3002
Check and clear DTCs. Continue to Step 15. No - Continue to Step 15. 15. Disconnect the battery charger from the 12-vo
Quick answer
For a 2021 Ford Mustang Mach-E in the U.S., verified evidence identifies DTC U3002 in Ford service procedure 25P28. The supplied source directs checking whether U3002 remains present and then clearing DTCs before continuing the procedure. The meaning shown in the supplied record is procedural text, not a confirmed component-fault definition.
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 U3002 mean?
For a 2021 Ford Mustang Mach-E in the U.S., verified evidence identifies DTC U3002 in Ford service procedure 25P28. The supplied source directs checking whether U3002 remains present and then clearing DTCs before continuing the procedure. The meaning shown in the supplied record is procedural text, not a confirmed component-fault definition.
2. Technical explanation
The verified NHTSA-posted Ford manufacturer communication (25P28, published September 17, 2025) includes a diagnostic step to check for U3002 using Powertrain > OBD Test Modes > Mode 9 - Vehicle Information. Its excerpt asks whether U3002 is still present; for either answer shown, it directs the technician to continue to Step 15, with the “Yes” path also stating to check and clear DTCs. The supplied excerpt ends during Step 15 and does not establish the full repair procedure or the underlying fault definition.
3. What system is affected?
Not yet established by verified evidence. The supplied procedure accesses the code through Powertrain OBD Test Modes, but this does not establish which vehicle system or component has failed.
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.
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 using the applicable Ford service procedure if U3002 is present.
- Do not infer a specific failed component or attempt high-voltage repairs from the supplied evidence.
- A qualified service technician can check and clear DTCs as directed by the verified procedure.
10. Step-by-step troubleshooting
- The verified procedure navigates to Toolbox > Powertrain > OBD Test Modes > Mode 9 - Vehicle Information.
- Check whether DTC U3002 is still present.
- If U3002 is present, the supplied excerpt directs checking and clearing DTCs, then continuing to Step 15.
- If U3002 is not present, the supplied excerpt directs continuing to Step 15.
- The supplied evidence does not include the complete Step 15 or subsequent diagnostic steps.
11. When to contact service
Service is appropriate because the supplied evidence is a Ford manufacturer service communication and the available excerpt requires diagnostic-tool checks and continuation of a service procedure. Whether service is urgent is not yet established by verified evidence.
12. What the service center may check
- Use the diagnostic-tool path stated in the source: Toolbox > Powertrain > OBD Test Modes > Mode 9 - Vehicle Information.
- Check for U3002.
- Check and clear DTCs when U3002 remains present, as stated in the supplied excerpt.
- Continue with the remaining Ford procedure; its complete later steps are not included in the supplied evidence.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied excerpt does not provide a completed repair, replacement part, programming action, or confirmed resolution.
14. Affected vehicles
- Ford Mustang Mach-E · 2021 · US
15. Related TSBs / service bulletins
- Ford manufacturer communication 25P28, published through NHTSA as MC-11023858-0001 on September 17, 2025, contains a U3002 diagnostic check for the applicable vehicle. The supplied excerpt does not establish the communication's full scope or final remedy.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified official source: NHTSA Manufacturer Communication PDF 11023858, Ford communication 25P28, published September 17, 2025: https://static.nhtsa.gov/odi/tsbs/2025/MC-11023858-0001.pdf
- NHTSA: NHTSA Manufacturer Communication PDF 11023858: 25P28 · official_tsb
19. Frequently asked questions
What does U3002 mean on the 2021 Ford Mustang Mach-E?
The supplied verified record provides procedural wording rather than a confirmed fault definition: it directs a check for U3002 and, if present, checking and clearing DTCs before continuing the procedure. A specific component or failure meaning is not yet established by verified evidence.
Which vehicles are supported by the supplied evidence?
The supplied applicability record identifies U.S.-market 2021 Ford Mustang Mach-E vehicles.
Does the verified source say that U3002 prevents driving or charging?
No. Driveability and charging status are not yet established by verified evidence.
Does clearing U3002 fix the vehicle?
Not established. The source directs clearing DTCs when U3002 remains present, but the supplied excerpt does not state that clearing the code is the final repair.