U0545
Invalid Data Received From Running Board Control Module A
U0545 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Running Board Control Module A. Common causes: malfunction of the footrest control module, damage to the wiring harness to the module. Estimated repair cost: $56–167.
Symptoms
- Automatic steps don't work
- Error message on the dashboard
- Footrests do not extend/retract
- Intermittent operation of the footrests
- Check Engine light comes on
Causes
- Malfunction of the footrest control module
- Damage to the wiring harness to the module
- Poor contact in connectors
- Module power problems
- Software error in the module
How to Fix
- Check connections and wiring to the module
- Check the power supply and ground of the module
- Scan the module for errors
- If necessary, replace the control module
- Update module software
Related codes
Error U0545 by Vehicle Brand
FAQ
What does the U0545 code mean?
U0545 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Running Board Control Module A
What causes a U0545 error code?
The most common causes of U0545 include: Malfunction of the footrest control module; Damage to the wiring harness to the module; Poor contact in connectors; Module power problems.
How do I fix a U0545 diagnostic trouble code?
To fix U0545: Check connections and wiring to the module. Check the power supply and ground of the module. Scan the module for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0545?
Yes, but get it checked soon
How much does it cost to fix U0545?
The estimated repair cost for U0545 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat