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Jeep C008E

ECU Internal Performance will go to the “stored” state. Clear DTC(s) and road test the vehicle to verify the issue does not return to

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an authorized Jeep dealer or qualified service facility. The supplied official communications indicate that C008E may be addressed through a calibration/programming procedure when the vehicle meets the bulletin’s full conditions.
Confidence95%

Quick answer

C008E is documented as “ECU Internal Performance.” Verified Jeep service communications associate it with specific software/configuration-related conditions in certain US Jeep vehicles. The supplied evidence directs clearing DTCs and road-testing after a listed calibration routine; the exact repair applicability must be confirmed by a Jeep dealer using the vehicle’s VIN and the full bulletin criteria.

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 C008E mean?

C008E is documented as “ECU Internal Performance.” Verified Jeep service communications associate it with specific software/configuration-related conditions in certain US Jeep vehicles. The supplied evidence directs clearing DTCs and road-testing after a listed calibration routine; the exact repair applicability must be confirmed by a Jeep dealer using the vehicle’s VIN and the full bulletin criteria.

2. Technical explanation

For one verified bulletin context, C008E-00 includes the Environmental Data Decode Byte “APP_FATAL_ERROR_APP_CONFIGURATION_ERROR_FAULT.” Other supplied official communications identify C008E as “ECU Internal Performance.” The diagnostic record’s canonical text states that, after the referenced LRCF calibration routine is completed, C008E-00 goes to a stored state; DTCs are then cleared and the vehicle is road-tested to verify that the issue does not return. The supplied evidence does not identify the ECU by name for every application.

3. What system is affected?

Electronic control unit (ECU); the specific ECU is not yet established by verified evidence.

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity level.

5. Symptoms you may notice

  • A malfunction indicator lamp (MIL) may be illuminated; this is stated in the supplied summaries for communications 08-190-24 and 08-190-24 REV. A.
  • Other symptoms are not yet established by verified evidence.

6. Possible causes

  • Official Jeep communications associate C008E-00 with ECU internal performance.
  • In two supplied bulletin summaries, the environmental-data detail is “APP_FATAL_ERROR_APP_CONFIGURATION_ERROR_FAULT.”
  • A specific root cause beyond those documented descriptions is 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 with an authorized Jeep service department and provide DTC C008E/C008E-00.
  • Do not attempt ECU programming, calibration, or high-voltage repairs yourself.
  • A verified service procedure directs clearing DTCs and road-testing only after the referenced LRCF calibration routine has been completed.

10. Step-by-step troubleshooting

  1. Have a qualified technician retrieve the complete DTC set and environmental data.
  2. Confirm the vehicle’s VIN, model year, market, software configuration, and all bulletin eligibility criteria before applying a service procedure.
  3. Where the applicable Jeep procedure calls for it, complete the specified LRCF calibration routine, clear DTCs, and road-test to determine whether C008E returns.

11. When to contact service

Contact an authorized Jeep dealer or qualified service facility. The supplied official communications indicate that C008E may be addressed through a calibration/programming procedure when the vehicle meets the bulletin’s full conditions.

12. What the service center may check

  • Retrieve C008E/C008E-00 and any accompanying DTCs.
  • Review environmental data, including whether the documented APP_FATAL_ERROR_APP_CONFIGURATION_ERROR_FAULT detail is present.
  • Check for C2203-00 Current VIN Missing/Mismatch and, in the 08-190-24 bulletin context, U015C-00 Lost Communication With Automated Driving System Controller.
  • Verify applicability of the relevant Jeep manufacturer communication by VIN and full bulletin criteria.
  • Perform the applicable calibration/programming procedure only through qualified service processes.
  • Clear DTCs and road-test after the specified calibration routine, as directed by the verified service communication.

13. Possible repair or resolution

  • The supplied communication S2523000072 states that after completion of the LRCF calibration routine, C008E-00 will enter a stored state; clear DTCs and road-test to verify it does not return.
  • Whether this resolution applies to a particular vehicle is not yet established by verified evidence and requires VIN-based bulletin confirmation.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Jeep manufacturer communication 08-416-25, NHTSA ID 11026793, published December 20, 2025: lists C008E-00 ECU Internal Performance with the environmental-data detail APP_FATAL_ERROR_APP_CONFIGURATION_ERROR_FAULT among qualifying DTCs.
  • Jeep manufacturer communication 08-174-26, NHTSA ID 11031668, published April 23, 2026: lists C008E-00 ECU Internal Performance with the same environmental-data detail among qualifying DTCs.
  • Jeep manufacturer communication 08-190-24, NHTSA ID 11006628, published August 22, 2024: addresses MIL illumination with C008E among listed DTCs.
  • Jeep manufacturer communication 08-190-24 REV. A, NHTSA ID 11010228, published November 3, 2024: revised communication listing MIL illumination with C008E among listed DTCs.
  • Jeep manufacturer communication S2523000072, NHTSA ID 11021041, published July 24, 2025: states that after the LRCF calibration routine, C008E-00 goes to stored status and directs clearing DTCs followed by a road test.

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Verified applicability supplied: US-market Jeep Grand Cherokee, model years 2024–2025; US-market Jeep Wagoneer, model years 2024–2026. The applicability list includes duplicate 2024 Wagoneer coverage. Bulletin applicability is not proven solely by this general vehicle list; VIN-specific verification and the full bulletin conditions remain necessary.

19. Frequently asked questions

What does Jeep code C008E mean?

The supplied verified data identifies C008E/C008E-00 as “ECU Internal Performance.”

Can C008E illuminate the MIL?

Yes. Supplied summaries for Jeep communications 08-190-24 and 08-190-24 REV. A state that MIL illumination may be present and list C008E among the relevant DTCs.

Does C008E require ECU replacement?

Not yet established by verified evidence. The supplied service communication references an LRCF calibration routine, followed by clearing DTCs and road-testing; it does not establish ECU replacement as the required repair.

Is it safe to drive or charge with C008E?

Not yet established by verified evidence.

What should happen after the listed calibration routine?

The supplied S2523000072 summary states that C008E-00 will go to stored status. It then directs clearing DTCs and road-testing to verify that the issue does not return.

20. Sources & verification

Verified
Jeep C008E: ECU Internal Performance will go to the “stored” state.… | EV Diagnostics