Subaru B1104: ACC Power Failure
Is your scanner showing Subaru B1104?
No worries. We'll show you what it means and how to deal with it.
Subaru B1104: ACC Power Failure
OVERVIEWWhat Does The Subaru B1104 Code Mean?
ACC power supply circuit voltage is too high or too low. Ignition switch turns to ACC with the weak battery condition.
What Are The Potential Causes Of The Subaru B1104 Code?
- Loose wiring harness connection
- Defective fuse
- Bad wiring harness
- Open or short circuit between body integrated unit and fuse
- Poor contact in Body Integrated Unit connector
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
>>> Subaru Body Integrated Unit
>>> CrocSee 250 Pieces - Car Fuses Assortment Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Testing and Inspection for B1104 – 2009 Subaru Impreza Repair Manual, pages 3378-3379.
