Invalid Data Received From Running Board Control Module B

Where it lives

For U0552, the description names the module as the part involved.

Check these first

• Stale calibration or an outdated software load in the running board control module B
• Electrical noise on the data bus corrupting the running board control module B signal
• A low battery or charging fault that browns out the running board control module B
• A fault inside the running board control module B itself

What to do next

1. Scan all modules and record the stored and pending network codes
2. Inspect the running board control module B connector pins for corrosion, water, and looseness
3. Test the running board control module B power and ground feeds under load
4. Repair or replace the running board control module B if the circuit, power, and bus tests pass
5. Clear the code and retest to confirm the running board control module B fault is gone

Look up another code