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Ford Blind Spot System Fault

Blind Spot System Fault

DriveUnknown. The supplied verified evidence does not state whether the vehicle is safe to drive with this alert.
ChargeUnknown. The supplied verified evidence does not state whether charging is affected or safe.
ServiceService is appropriate because the verified communications describe an inoperative BLIS condition. The supplied evidence does not state that service is required, but a Ford dealer or qualified service provider can confirm applicability and diagnose the vehicle.
Confidence90%

Quick answer

Ford vehicles covered by the supplied applicability data may display “Blind Spot System Fault” when the Blind Spot Information System (BLIS) is inoperative. Official Ford communications cited by NHTSA describe this condition for certain Ford and Lincoln vehicles, but the supplied evidence does not establish a specific root cause or repair for the listed Escape or Mustang Mach-E applications.

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 Blind Spot System Fault mean?

Ford vehicles covered by the supplied applicability data may display “Blind Spot System Fault” when the Blind Spot Information System (BLIS) is inoperative. Official Ford communications cited by NHTSA describe this condition for certain Ford and Lincoln vehicles, but the supplied evidence does not establish a specific root cause or repair for the listed Escape or Mustang Mach-E applications.

2. Technical explanation

“Blind Spot System Fault” is an OEM alert associated with the vehicle’s Blind Spot Information System (BLIS). The verified NHTSA-hosted Ford communications state that affected vehicles may have inoperative blind-spot monitoring and display this message in the instrument panel cluster (IPC). The communications also state that DTC B118C:11 and/or an additional code beginning with B1 may accompany the message; the full additional code is not present in the supplied evidence.

3. What system is affected?

Blind Spot Information System (BLIS) / blind-spot monitoring, with the message shown in the instrument panel cluster (IPC).

4. How serious is this code?

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

5. Symptoms you may notice

  • “Blind Spot System Fault” message displayed in the instrument panel cluster (IPC).
  • Blind-spot monitoring may be inoperative.
  • DTC B118C:11 may be present.
  • An additional DTC beginning with B1 may be present, but its complete identifier is not established by the supplied evidence.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied verified evidence does not state whether the vehicle is safe to drive with this alert.

8. Can I charge the vehicle?

Unknown. The supplied verified evidence does not state whether charging is affected or safe.

9. What you can safely do

  • Recognize that blind-spot monitoring may be inoperative while the message is displayed.
  • Arrange diagnosis by a Ford dealer or qualified service provider.
  • Do not rely on the blind-spot monitoring function as operating normally until the concern has been diagnosed.

10. Step-by-step troubleshooting

  1. Have the vehicle checked for DTC B118C:11 and any additional stored diagnostic codes.
  2. Use the vehicle identification number (VIN) and current Ford service information to determine whether Ford communication SSM 54313 or SSM 54720 applies. Further troubleshooting steps are not established by the supplied evidence.

11. When to contact service

Service is appropriate because the verified communications describe an inoperative BLIS condition. The supplied evidence does not state that service is required, but a Ford dealer or qualified service provider can confirm applicability and diagnose the vehicle.

12. What the service center may check

  • Confirm the “Blind Spot System Fault” message and whether blind-spot monitoring is inoperative.
  • Retrieve diagnostic trouble codes, including B118C:11 if present.
  • Check VIN-specific applicability of Ford SSM 54313 and SSM 54720. Additional service checks are not established by the supplied evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence. The supplied summaries identify the condition and associated codes but do not provide the Ford repair procedure or resolution.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Ford SSM 54313, published October 21, 2025; NHTSA Manufacturer Communication 11024526. It describes certain Ford and Lincoln vehicles equipped with BLIS that may have inoperative blind-spot monitoring and a “Blind Spot System Fault” IPC message, potentially with B118C:11 and/or another B1-series DTC.
  • Ford SSM 54720, published April 2, 2026; NHTSA Manufacturer Communication 11031263. It similarly describes certain Ford and Lincoln vehicles equipped with BLIS that may have inoperative blind-spot monitoring and a “Blind Spot System Fault” IPC message, potentially with B118C:11 and/or another B1-series DTC.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified official-source records are NHTSA Manufacturer Communication 11024526 (Ford SSM 54313) and NHTSA Manufacturer Communication 11031263 (Ford SSM 54720). The supplied evidence does not include full bulletin text, VIN coverage, or repair instructions.

19. Frequently asked questions

What does “Blind Spot System Fault” mean?

It indicates a fault message associated with the Blind Spot Information System (BLIS). Verified Ford communications state that blind-spot monitoring may be inoperative when this message is displayed.

Which vehicles are included in the supplied applicability data?

Ford Escape model years 2020–2025 and Ford Mustang Mach-E model years 2020–2025 in the US. This applicability data does not establish that every vehicle in those ranges is covered by either service communication.

Can this alert be accompanied by fault codes?

Yes. The verified communication summaries state that B118C:11 and/or another DTC beginning with B1 may accompany the message. The complete identifier of the other code is not available in the supplied evidence.

Is there a verified repair?

Not yet established by verified evidence. The supplied bulletin summaries do not include repair instructions.

20. Sources & verification

Verified
Ford Blind Spot System Fault: Blind Spot System Fault | EV Diagnostics