EPS Control Module
WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
- Check the display of DTC U1900, using the SST
(WDS or equivalent). (See
DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM] .)
Malfunction location
- Wiring harness 1
- Wiring harness 2
- Wiring harness 3
- Wiring harness 5
- PCM
- ABS HC/CM or DSC HU/CM
- EPS control module