Honda U1221: Invalid Data Received From DC-DC Converter Control Module
Is your scanner showing Honda U1221?
No worries. We'll show you what it means and how to deal with it.
Honda U1221: Invalid Data Received From DC-DC Converter Control Module
OVERVIEWWhat Are The Potential Causes Of The Honda U1221 Code?
- Motor Control Module (MCM) SCIDM serial line open
- Motor Control Module (MCM) SCIDM serial line Short to ground
- DC-DC converter failure
- Motor Control Module (MCM)/Battery Condition Monitor (BCM) failure
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Honda U1221, DTCDECODE.
