Software Incompatibility With Brake System Control Module A

Where it lives

For U0318, the description names the module as the part involved.

Check these first

• An outdated software version in brake system control module A
• A vehicle configuration that does not match the installed software
• A failed or interrupted software update
• A hardware fault in the brake system control module
• A mismatch with another newly installed module

What to do next

1. Check the software version in brake system control module A
2. Confirm the vehicle configuration matches the software
3. Run a complete software update on the module
4. Check for a failed update and reprogram the module
5. Replace the brake system control module if hardware is at fault
6. Clear the code and retest

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