Air conditioning & heating
1 documented fault — symptoms, causes and workshop fixes.
AC/heater blower motor not operating after stop-start system operation
Overview
- Affects
- All models with air conditioning (AC), 2020.
- Remedy
- Software update
Symptoms
Trouble code stored in AC control module fault memory: B10C8.
Cause
AC/heater control module software fault.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program AC/heater control module with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 1.
Glossary
Technical terms used in this guide.
- AC
- Air conditioning — the system that cools the cabin
- AC/Heater
- The heating and air-conditioning system
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Fault Memory
- The list of stored trouble codes in a control module
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Trouble Code
- A standardised fault code stored by a control module, read with a diagnostic tool
Frequently asked questions
What are the common faults with the Alfa Romeo Stelvio 2.2 Q4?
This guide contains one workshop bulletin for the Alfa Romeo Stelvio 2.2 Q4. Of these, one concerns the air conditioning and heating. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Alfa Romeo Stelvio 2.2 Q4 have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Alfa Romeo Stelvio 2.2 Q4 faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.