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Dodge U115C

Lost Communication With ETM. The customer may describe the following:

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an authorized Dodge service department. Ask them to check U115C-00 and applicable NHTSA-posted Dodge bulletins 08-191-25, 08-192-25, 08-003-26, and 08-005-26.
Confidence95%

Quick answer

U115C-00 means “Lost Communication With ETM.” Verified Dodge service-bulletin evidence associates it with a blinking odometer that remains accurate on applicable U.S. 2024–2025 Dodge Charger vehicles. One verified bulletin identifies radio software as the cause and indicates a bulletin repair procedure is available.

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 U115C mean?

U115C-00 means “Lost Communication With ETM.” Verified Dodge service-bulletin evidence associates it with a blinking odometer that remains accurate on applicable U.S. 2024–2025 Dodge Charger vehicles. One verified bulletin identifies radio software as the cause and indicates a bulletin repair procedure is available.

2. Technical explanation

U115C is a communication DTC identified in the supplied Dodge evidence as “Lost Communication With ETM.” The available official bulletin evidence says the customer may report a blinking odometer, while the odometer reading remains accurate. A verified revision of Dodge bulletin 08-192-25 identifies radio software as the cause. The supplied evidence does not establish whether every instance of U115C has the same cause or repair.

3. What system is affected?

ETM communication; the supplied evidence does not expand the ETM acronym or establish additional affected systems.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Blinking odometer; the odometer remains accurate.

6. Possible causes

  • Radio software, as identified in NHTSA-posted Dodge bulletin 08-192-25 REV. B.
  • Not every possible cause of U115C is established by the supplied 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 Dodge service department or qualified service provider.
  • Provide the stored DTC U115C-00 and report whether the odometer is blinking.
  • Do not attempt high-voltage repairs based on this information.

10. Step-by-step troubleshooting

  1. A service provider can confirm whether U115C-00 is stored and whether the vehicle falls within the applicable bulletin population.
  2. A service provider can review the applicable Dodge bulletin procedure, including whether the radio software remedy applies.
  3. Further diagnostic steps are not established by the supplied verified evidence.

11. When to contact service

Contact an authorized Dodge service department. Ask them to check U115C-00 and applicable NHTSA-posted Dodge bulletins 08-191-25, 08-192-25, 08-003-26, and 08-005-26.

12. What the service center may check

  • Confirm the presence of U115C-00.
  • Confirm whether the odometer is blinking and remains accurate.
  • Verify vehicle applicability and the current applicable bulletin revision.
  • Assess whether the radio software condition described in bulletin 08-192-25 REV. B applies.

13. Possible repair or resolution

  • The supplied evidence indicates that a bulletin repair procedure is available.
  • Radio software is identified as the cause in bulletin 08-192-25 REV. B.
  • The precise repair steps and whether they resolve every U115C-00 occurrence are not established by the supplied evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Dodge 08-191-25 REV. A, NHTSA Manufacturer Communication 11022548, published August 27, 2025.
  • Dodge 08-192-25 REV. A, NHTSA Manufacturer Communication 11022549, published August 28, 2025.
  • Dodge 08-191-25 REV. B, NHTSA Manufacturer Communication 11024058, published October 4, 2025.
  • Dodge 08-192-25 REV. B, NHTSA Manufacturer Communication PDF 11024588, published October 18, 2025. This evidence identifies radio software as the cause.
  • Dodge 08-003-26, NHTSA Manufacturer Communication 11027624, published January 8, 2026.
  • Dodge 08-005-26, NHTSA Manufacturer Communication 11027626, published January 8, 2026.

16. Recall information

  • No recall is established by the supplied verified evidence.

17. Official manufacturer information

Verified official sources are NHTSA-posted Dodge manufacturer communications. Applicable vehicle evidence: U.S. 2024–2025 Dodge Charger. Source: https://static.nhtsa.gov/odi/tsbs/2025/MC-11024588-0001.pdf

19. Frequently asked questions

What does U115C-00 mean?

It means “Lost Communication With ETM,” according to the supplied Dodge evidence.

What symptom is associated with U115C-00?

The verified bulletins state that the odometer may blink, while remaining accurate.

What causes U115C-00?

Bulletin 08-192-25 REV. B identifies radio software as the cause. Other causes are not established by the supplied evidence.

Can I drive or charge the vehicle?

Driveability and charging safety are not yet established by verified evidence.

Which vehicles are covered by the supplied applicability data?

U.S. 2024 and 2025 Dodge Charger vehicles.

20. Sources & verification

Verified
Dodge U115C: Lost Communication With ETM. The customer may describe… | EV Diagnostics