Jeep U1008
00,U1124-00
Quick answer
For certain 2021–2022 Jeep Wrangler vehicles in the US, DTC U1008 is documented in an official Jeep/NHTSA manufacturer communication as “U1008-00,U1124-00.” The same communication references a condition where the engine runs all the time and the vehicle does not enter EV mode. The supplied evidence does not establish whether the vehicle is safe to drive or charge.
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 U1008 mean?
For certain 2021–2022 Jeep Wrangler vehicles in the US, DTC U1008 is documented in an official Jeep/NHTSA manufacturer communication as “U1008-00,U1124-00.” The same communication references a condition where the engine runs all the time and the vehicle does not enter EV mode. The supplied evidence does not establish whether the vehicle is safe to drive or charge.
2. Technical explanation
The verified diagnostic record identifies the code as U1008, with the canonical title and meaning recorded as “00,U1124-00.” An official manufacturer communication published through NHTSA lists DTCs P0E15 and U1008-00,U1124-00 in connection with an engine that runs continuously and failure to enter Electric Vehicle (EV) mode. The supplied evidence does not provide a component-level fault definition, diagnostic procedure, root cause, or repair instruction for U1008.
3. What system is affected?
Electric Vehicle (EV) mode operation is implicated by the verified manufacturer communication. A specific vehicle subsystem is not established by the supplied evidence.
4. How serious is this code?
Unknown. The diagnostic record lists severity as unknown.
5. Symptoms you may notice
- The vehicle engine runs all the time.
- The vehicle does not enter Electric Vehicle (EV) mode.
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. The supplied diagnostic record lists safe-to-drive status as unknown.
8. Can I charge the vehicle?
Unknown. The supplied diagnostic record lists safe-to-charge status as unknown.
9. What you can safely do
- Arrange diagnosis by an authorized Jeep service provider, particularly if the engine runs continuously or EV mode is unavailable.
- Do not attempt high-voltage system repairs based on this information.
10. Step-by-step troubleshooting
- Record the exact displayed DTCs, including U1008-00/U1124-00 and any accompanying codes.
- Provide the service provider with the verified symptom: engine runs all the time and the vehicle does not enter EV mode.
- A component-level troubleshooting procedure is not yet established by the supplied verified evidence.
11. When to contact service
Contact an authorized Jeep service provider for diagnosis. The supplied official manufacturer communication associates U1008-00/U1124-00 with continuous engine operation and unavailable EV mode.
12. What the service center may check
- Confirm the stored DTCs, including U1008-00/U1124-00 and P0E15 if present.
- Evaluate the reported condition of continuous engine operation and inability to enter EV mode.
- Further service checks are not established by the supplied verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Jeep Wrangler · 2021–2022 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication 10243193: S2208000027, published 2023-08-31. The supplied summary references DTCs P0E15 and U1008-00,U1124-00 and the condition “Vehicle Engine Runs All-the Time Does Not Enter Electric Vehicle (EV) Mode.”
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified official source: NHTSA Manufacturer Communication 10243193: S2208000027, published August 31, 2023. https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=10243193
19. Frequently asked questions
What does Jeep code U1008 mean on a 2021–2022 Wrangler?
The supplied diagnostic record lists the canonical title and meaning as “00,U1124-00.” The supplied evidence does not provide a more specific component-level definition.
Can U1008 cause a Jeep Wrangler engine to run continuously?
The verified official manufacturer communication lists U1008-00,U1124-00 among DTCs associated with a condition where the engine runs all the time and the vehicle does not enter EV mode. It does not establish that U1008 alone is the cause.
Can I drive or charge with U1008?
Not yet established by verified evidence. The diagnostic record marks both safe-to-drive and safe-to-charge status as unknown.
Which vehicles are covered by the supplied applicability evidence?
Jeep Wrangler vehicles for model years 2021–2022 in the United States.