Toyota U1104: Lost Communication with Driving Support ECU
Is your scanner showing Toyota U1104?
No worries. We'll show you what it means and how to deal with it.
Toyota U1104: Lost Communication with Driving Support ECU
OVERVIEWWhat Does The Toyota U1104 Code Mean?
While dynamic radar cruise control is either preparing for operation or operating and power switch is on (IG), communication stop from hybrid vehicle control ECU to brake booster with master cylinder (skid control ECU) continues for 1 second or more.
What Are The Potential Causes Of The Toyota U1104 Code?
- Hybrid vehicle control ECU
- CAN communication system
- Millimeter wave radar sensor assembly
- Power steering control ECU
- Brake booster with master cylinder (Skid control ECU)
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
>>> INNOVA 5210
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Toyota U1104, DTCDECODE.
