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Powertrain

P1674

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Manufacturer communications

6

Original wording in English

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SSM 52788 ↗

FORD, LINCOLN

Some 2023-2024 Escape/Corsair, 2024 Nautilus vehicles may exhibit various AWD/4WD/4x4 warning messages displayed in the message center with loss of AWD function for the remainder of the active key cycle. DTCs C0095, C05D9:74, P060A, P060B, P060C, and/or P1674 may be stored in the AWD module. This condition may be due to the soft…

SSM 52008 ↗

FORD, LINCOLN

Some 2023 Bronco/Corsair/F-150/F-Super Duty vehicles may exhibit a DTC P1674 in the GWM after an OTA update. This OTA update is delivered in two downloads. If the GWM is tested between OTAs, this code will be present. This DTC does not affect vehicle durability and no additional diagnosis or service is required for this conditio…

SSM 51316 ↗

FORD

Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P1674 stored in the transmission control module (TCM). This may be due to a discharged battery and/or low battery state of charge. Before performing normal diagnostics in…

TSB 22-2151 ↗

FORD

Some 2021 F-150 vehicles equipped with a 3.5L PowerBoost engine and built on or before 23-Apr-2021 may experience an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0300, P0301-P0306, P0316, P050E, P1674, P0454 and/or P2451 stored in the powertrain control module (PCM). This may be due to vario…

Check vehicle applicability

30

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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MakeModelModel year
FordBRONCO ↗2023
FordESCAPE ↗2024
FordESCAPE ↗2023
FordF-150 ↗2023
FordF-150 ↗2021
FordF-250 SD ↗2023
FordF-250 SD ↗2022
FordF-250 SD ↗2021

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.