Dynamic DX2 fault code 12 flashes: Module mismatch
Code12 flashes CONFIRMED
MeaningModule mismatch
ControllerDX2 powerchair control system (REM42x remote) CONFIRMED
How it showsStatus / fault indicator on the DX2 remote flashes a number of times (1 to 12), pause, repeat
Likely causes
DX modules are not compatible / not programmed together - chair will not drive
Step-by-step checks
- Dealer: check the module part numbers and programming
Switch off before unplugging anything. If the code stays after these checks, get a trained technician to look at it.
Models using this controller
No models are mapped to this controller in ScootScan yet.
Other Dynamic DX2 codes
1 flash · 2 flashes · 3 flashes · 4 flashes · 5 flashes · 6 flashes · 7 flashes · 8 flashes · 9 flashes · 10 flashes · 11 flashes · 12 flashes
Source: dynamiccontrols.com/wp-content/uploads/2025/09/dx2-rem42x-installation ↗
Summarised from public manuals. Always check the product's own manual before any repair.