Verified EV diagnostic knowledge page

Ford B118C

11 and/or B118C:15 stored in the driver door module (DDM), and/or B118D:11 and/or B118D:15 stored in the passenger door module (PDM). This may be due to th

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Ford dealer or qualified Ford service provider for diagnosis, particularly if an IPC message is present. The supplied evidence does not define urgency or driving restrictions.
Confidence95%

Quick answer

Ford service communications identify B118C:11 and/or B118C:15 in the driver door module (DDM), sometimes alongside B118D:11 and/or B118D:15 in the passenger door module (PDM). The supplied evidence is truncated and does not establish the complete condition, cause, repair, or safety impact.

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 B118C mean?

Ford service communications identify B118C:11 and/or B118C:15 in the driver door module (DDM), sometimes alongside B118D:11 and/or B118D:15 in the passenger door module (PDM). The supplied evidence is truncated and does not establish the complete condition, cause, repair, or safety impact.

2. Technical explanation

B118C is a Ford body/door-module diagnostic trouble code referenced by official NHTSA-posted manufacturer communications SSM 54313 and SSM 54720. The verified excerpts specifically associate B118C:11 and B118C:15 with the DDM, and B118D:11 and B118D:15 with the PDM. The available text also indicates an instrument-panel-cluster message may be displayed, but the message itself is incomplete in the supplied evidence.

3. What system is affected?

Driver Door Module (DDM). The same communications also reference the Passenger Door Module (PDM) for B118D codes.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • An instrument panel cluster (IPC) message may be displayed; the exact message is not available in the supplied evidence.
  • B118C:11 and/or B118C:15 may be stored in the DDM.
  • B118D:11 and/or B118D:15 may also be stored in the PDM.

6. Possible causes

  • Not yet established by verified evidence. The supplied manufacturer-communication excerpts state that the condition 'may be due to' something, but the causal text is truncated.

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

  • Record the exact DTC suffixes and identify whether they are stored in the DDM, PDM, or both.
  • Arrange diagnosis by a Ford dealer or qualified service provider using the applicable Ford service information.
  • Do not attempt module, wiring, or electrical repairs based solely on this code excerpt.

10. Step-by-step troubleshooting

  1. Confirm the vehicle is within the identified applicability: 2020–2025 Ford Escape or 2020–2025 Ford Mustang Mach-E, U.S. region.
  2. Retrieve all stored DTCs and module information, including B118C:11, B118C:15, B118D:11, and B118D:15 where present.
  3. Review Ford SSM 54313 and SSM 54720 through official service channels for the complete condition and diagnostic direction. Further troubleshooting steps are not established by the supplied evidence.

11. When to contact service

Contact a Ford dealer or qualified Ford service provider for diagnosis, particularly if an IPC message is present. The supplied evidence does not define urgency or driving restrictions.

12. What the service center may check

  • Check the DDM for B118C:11 and/or B118C:15.
  • Check the PDM for B118D:11 and/or B118D:15.
  • Review official Ford communications SSM 54313 and SSM 54720 for complete applicability and service instructions.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Ford SSM 54313, published through NHTSA as Manufacturer Communication 11024526 on 2025-10-21.
  • Ford SSM 54720, published through NHTSA as Manufacturer Communication 11031263 on 2026-04-02.

16. Recall information

  • No recall information was supplied or established by verified evidence.

17. Official manufacturer information

Official NHTSA-posted manufacturer communications: SSM 54313 (NHTSA Manufacturer Communication 11024526) and SSM 54720 (NHTSA Manufacturer Communication 11031263). Supplied links: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11024526 ; https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11031263

19. Frequently asked questions

What does Ford code B118C refer to in the supplied evidence?

It is referenced as B118C:11 and/or B118C:15 stored in the Driver Door Module (DDM).

Which vehicles are identified in the supplied applicability data?

U.S.-region 2020–2025 Ford Escape and 2020–2025 Ford Mustang Mach-E.

Can B118C occur with other codes?

Yes. The official communication excerpts also reference B118D:11 and/or B118D:15 stored in the Passenger Door Module (PDM).

Is there a confirmed repair?

Not yet established by verified evidence.

Is it safe to drive or charge?

Not yet established by verified evidence.

20. Sources & verification

Verified
Ford B118C: 11 and/or B118C:15 stored in the driver door module (DDM),… | EV Diagnostics