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Home DTC Codes U0385 Medium · 30-60min
U0385 Warning

OBD2 code U0385: Module software incompatibility

Software incompatibility between modules.

ECU: ECM

Detected Root Component

Network Component

Confidence level: low

Observed Symptoms

  • Loss of communication between modules
  • Dashboard errors

Possible Causes

  • Software version incompatibility
  • Incorrect module configuration
  • Obsolete calibration
Diagnostic Progress 0 %
Difficulty Medium
Est. time 30-60min
Tools Required 5 tool(s)

Tools Required

multimeter OBD scanner wiring diagram backprobe pins terminal cleaning tool

Interactive Diagnostic

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Diagnostic Result

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Parts likely to be the cause (Moteur (général))

Moteur (général)

Moteur (général)

Photo d'illustration : Moteur (général)

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Frequently asked questions about code U0385

What does code U0385 mean?

OBD2 code U0385: Module software incompatibility. Software incompatibility between modules.

What are the symptoms of code U0385?

Code U0385 may cause: Loss of communication between modules, Dashboard errors. The intensity of these symptoms varies depending on the vehicle and driving conditions.

What causes code U0385?

The most common causes of code U0385 are: Software version incompatibility, Incorrect module configuration, Obsolete calibration. A proper OBD2 diagnostic will pinpoint the exact cause.

Is it serious to drive with code U0385?

Code U0385 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

How do I fix code U0385?

Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Software version incompatibility, Incorrect module configuration, Obsolete calibration. Difficulty: Medium · Estimated time: 30-60min.