Ford Mustang recall: 26C16 Mustang – Lane Keeping System Software Update
- What's wrong
- According to Ford’s records certain Mustang vehicles may not have the remedy for Compliance Recall 21C11 installed correctly but were recorded as having received the repair successfully. Because the correct software update may not have been installed on these vehicles the underlying condition may still…
- What to do
- Contact a Ford dealer to book the free repair. Dealers will update the Image Processing Module A (IPMA) and the Power Steering Control Module (PSCM) to the latest available software level free of charge.
What’s wrong
According to Ford’s records certain Mustang vehicles may not have the remedy for Compliance Recall 21C11 installed correctly but were recorded as having received the repair successfully. Because the correct software update may not have been installed on these vehicles the underlying condition may still exist therefore these vehicles may still have the incorrect software loaded for the Lane Keeping System (LKS). On affected vehicles not having the latest Lane Keeping System (LKS) software may lead to non-compliance with the current regulations relating to Hands-On-Off (HOO) chime requirements that became effective from April 1 2021. Dealers will update the Image Processing Module A (IPMA) and the Power Steering Control Module (PSCM) to the latest available software level free of charge.
The fix
Dealers will update the Image Processing Module A (IPMA) and the Power Steering Control Module (PSCM) to the latest available software level free of charge.
Vehicles affected
| Model | Built from | Built to | Vehicles |
|---|---|---|---|
| Mustang | 5 Jan 2021 | 11 Feb 2021 | 5 |
| Mustang | 1 Feb 2021 | 30 Mar 2021 | 4 |
How to check your vehicle
Use the official DVSA checker with your registration number to see if your exact vehicle is included. If it is, the manufacturer should have written to the registered keeper. The repair is free, even if you bought the vehicle second-hand.
Updated 23 April 2026. This page summarises an official notice. Details can change – always follow the official notice.