Diagnostic Tips

Alarm Activates When Unlocked Door Opened – Driver Door Does Not Unlock/Open – Door Activation Switch Not Lighting UP – 2021 Ford Mustang Mach-E

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2021 Ford Mustang Mach-E

NHTSA ID Number: 10189590 Manufacturer Communication Number: SSM 49676   Summary Some 2021 Mustang Mach-E vehicles may experience a concern of the alarm activating when an unlocked door is opened, the driver door does not unlock/open when pressing the door activation switch, or the door activation switch not lighting up. This may be due to a software … Read more

Illuminated MIL With DTC P0420 – 2019-2020 Ford Ranger

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2020 Ford Ranger

NHTSA ID Number: 10214871 Manufacturer Communication Number: TSB 22-2245 Summary This article supersedes TSB 21-2021 to update the part list Some 2019-2020 Ranger vehicles may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0420 stored in the powertrain control module (PCM). This may be due to various software parameters within the PCM. To … Read more

3.5L PowerBoost – Rough Running Engine During Idle And An Illuminated MIL With DTC P0300, P0304, P050E And/Or P2451 In The PCM – 2021 Ford F-150

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2021 Ford F-150

NHTSA ID Number: 10187982 Manufacturer Communication Number: SSM 49573 Summary Some 2021 F-150 vehicles equipped with a 3.5L PowerBoost engine may experience a rough running engine during idle and an illuminated malfunction indicator lamp (MIL) with diagnostics trouble code (DTC) P0300, P0304, P050E and/or P2451 stored in the powertrain control module (PCM). Inform customers that Ford is … Read more

PATS Programming Fails – General Error – 2020 Ford Mustang

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2020 Ford Mustang

NHTSA ID Number: 10187999 Manufacturer Communication Number: SSM 49588 Summary Some 2020 Mustang vehicles may exhibit a Passive Anti-Theft System (PATS) parameter reset or key programming error stating General Error. This may be due to a concern with previous Integrated Diagnostic System (IDS) software. Use the latest software level of the appropriate Ford diagnostic scan tool to … Read more

Power Tailgate Latches Do Not Cinch When Reaching Closed Position – 2021 Ford F-150

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2021 Ford F-150

NHTSA ID Number: 10188002 Manufacturer Communication Number: SSM 49591 Summary Some 2021 F-150 vehicles built at the Dearborn Truck Plant on 04-Dec-2020 and through 11-Dec-2020 equipped with a power tailgate may experience the latches not cinching after reaching the closed position. This is due to a software issue with the rear trunk gate module (RGTM). To resolve … Read more