Diagnostic Tips

5.0L Flex Fuel – Illuminated MIL With DTCs P0171, P0172, P0174, And/Or P0175 – 2019-2020 Ford F-150

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2020 Ford F-150

NHTSA ID Number: 10205530 Manufacturer Communication Number: TSB 21-2443 Summary Some 2019-2020 F-150 vehicles equipped with a 5.0L flex fuel engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0171, P0172, P0174 and/or P0175. This may be due to software parameters in the powertrain control module (PCM). To correct the condition, follow … Read more

2.3L EcoBoost – Illuminated MIL With DTC P04F0 And/Or P144C – 2020-2022 Ford Explorer

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2022 Ford Explorer

NHTSA ID Number: 10205531 Manufacturer Communication Number: TSB 21-2446 Summary Some 2020-2022 Explorer vehicles equipped with a 2.3L EcoBoost engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P04F0 and/or P144C stored in the powertrain control module (PCM). This may be due to loose or partially connected evaporative emissions (EVAP) vapor lines. … Read more

Loss of Navigation Voice Prompts After A SYNC Map Update – 2016-2021 Ford & Lincoln

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Ford & Lincoln Logo

NHTSA ID Number: 10205694 Manufacturer Communication Number: SSM 50375 Summary Some 2016-2021 Ford and Lincoln vehicles equipped with SYNC 3 may exhibit a condition where the navigation voice prompts are inoperative after a SYNC map update. This may be due to an incomplete installation of the SYNC map software. If possible, using the original USB that installed … Read more

Reverse Lamps Are Inoperative After Windshield Replacement With Diagnostic Trouble Code (DTC) B1277 – 2018-2021 Ford Expedition & Lincoln Navigator

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2021 Ford Expedition

NHTSA ID Number: 10205483 Manufacturer Communication Number: SSM 50347 Summary Some 2018-2021 Expedition/Navigator vehicles may exhibit inoperative reverse lamps with DTC B1277 stored in the body control module (BCM). The vehicle may also exhibit the auto dimming rear view mirror becoming dark as soon as the key is turned on or is inoperative. This may be due … Read more

Illuminated Malfunction Indicator Lamp (MIL) With DTC P04F0, P008A, P0451, P0455, P0456, P0496 And/Or P018C – 2020-2022 Ford Explorer & Lincoln Aviator

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2022 Ford Explorer

NHTSA ID Number: 10228864 Manufacturer Communication Number: SSM 51247 Summary Some 2020-2022 Explorer vehicles equipped with a 2.3L engine may exhibit an illuminated malfunction indicator lamp (MIL) with multiple diagnostic trouble codes (DTCs). These DTCs may include P04F0, P008A, P0451, P0455, P0456, P0496 and/or P018C. This may be due to the wiring harness connection at connector C1198 … Read more