B1906
B1906 on Fiat — Cabin heating not working and temperature reading flashing
Code B1906 reports a wiring fault on the cabin air blend motor. On the Fiat 500 1.3 Multijet with automatic climate control the heating stays off and the temperature display flashes.
- System
- Air conditioning
- Component
- Air conditioning air duct
- Fault
- Cabin heating inactive and the temperature reading on the display flashing.
- Typical symptoms
-
- The cabin heating does not work
- The temperature reading flashes on the display
- Vehicles affected
-
- Fiat 500 1.3 Multijet — vehicles with automatic climate control
- Main code
-
- B1906 Cabin air blend motor, wiring fault
- Related codes
-
- B1902 Cabin air distribution motor, wiring fault
- B1905 Cabin air blend motor feedback signal, wiring fault
On this fault the diagnostic tool often returns several codes together.
- Solution
-
See the repair procedure verified on Sema Repair.
The cause and the repair are on Sema Repair
On Sema Repair every code is linked to verified fault cases. The case study gathers, where available, the information you need to reach the repair:
- Verified cause of the fault
- Step-by-step repair procedure
- Indicative repair times
- Manufacturer's notes
- Photo of the component with the repair point marked