Software Incompatibility With Brake System Control Module B

Where it lives

For U031C, start at the module the description names.

Check these first

• Outdated or corrupted software in brake system control module B
• A calibration error in the module
• A harness or connector fault between the module and the network
• A loss of power or ground to the module
• A hardware fault inside the module

What to do next

1. Check the software version in brake system control module B
2. Update or reprogram the module
3. Inspect the module connector for corrosion
4. Verify module power and ground
5. Replace the brake system control module if it stays incompatible
6. Clear the code and retest

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