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U0438

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

3

Original wording in English

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SSM 54172 ↗

FORD

Some 2023-2025 F-Super Duty vehicles may exhibit multiple warning indicators with DTCs U0252, U0137, U0199, U0438 stored in the body control module (BCM), image processing module A (IPMA), power steering control module (PSCM), instrument panel cluster (IPC) and/or inoperative power windows and locks. This may be due to an incorr…

SSM 53980 ↗

FORD

Some 2023-2025 F-Super Duty vehicles may exhibit multiple warning indicators with DTCs U0252, U0137, U0199, U0438 stored in the body control module (BCM), image processing module A (IPMA), power steering control module (PSCM), instrument panel cluster (IPC) and/or inoperative power windows and locks. This may be due to an incorr…

SSM 52184 ↗

FORD

Some 2023 F-150 hybrid vehicles built on 24-Oct-2022 and through 26-Oct-2022 equipped with a 3.5L Power Boost engine may exhibit DTC U0438:82 in the IPC and/or U0140:87 in the TRM. This may also be accompanied by a Trailer Brake System Fault See Manual message in the IPC. This may be due to the configuration of the IPC. To corre…

Check vehicle applicability

13

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
FordF-150 ↗2023
FordF-250 SD ↗2025
FordF-250 SD ↗2024
FordF-250 SD ↗2023
FordF-350 SD ↗2025
FordF-350 SD ↗2024
FordF-350 SD ↗2023
FordF-450 SD ↗2025

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.