What does B2477 mean on a Ford?

B2477. Module Configuration Failure. Applies to All module-controlled Ford vehicles.

What causes B2477 on a Ford?

Replacement module installed without configuration Interrupted programming session Wrong as-built data written Low voltage during programming Failing module memory

How do I fix B2477 on a Ford?

Stabilize battery voltage with a maintainer Program the correct as-built data with Ford equipment Verify programming completes fully Confirm the correct part number for the vehicle Replace the module if configuration will not store

Code

B2477

Module Configuration Failure

Category: Body
Severity: Body Warning Light
Applies to: All module-controlled Ford vehicles
Related: No single generic twin. See OBD Codes List

Findings, check these first

Replacement module installed without configuration
Interrupted programming session
Wrong as-built data written
Low voltage during programming
Failing module memory

Standard procedure

Stabilize battery voltage with a maintainer
Program the correct as-built data with Ford equipment
Verify programming completes fully
Confirm the correct part number for the vehicle
Replace the module if configuration will not store

Code lookup

Type a code above, or start from a symptom or a common code.

Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.

Sources and review

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Last updated 2026-09-25.

Report a correction for B2477. Include your vehicle, the issue and a source if you have one.