Invalid Data Received From Special Purpose Vehicle Control Module B

Where it lives

For U055B, the description names the module as the part involved.

Check these first

• A fault inside the special purpose vehicle control module B itself
• A loose, corroded, or water damaged connector at the special purpose vehicle control module B
• An open or short in the special purpose vehicle control module B wiring to the module that receives its data

What to do next

1. Scan all modules and record the stored and pending network codes
2. Test the special purpose vehicle control module B power and ground feeds under load
3. Repair or replace the special purpose vehicle control module B if the circuit, power, and bus tests pass
4. Clear the code and retest to confirm the special purpose vehicle control module B fault is gone

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