Electrical & ignition
3 documented faults — symptoms, causes and workshop fixes.
SRS warning lamp illuminated
Overview
- Affects
- All models with electric seats, VIN →5010048.
Symptoms
Electric front seat not operating.
Cause
Front seat wiring harness damaged.
Repair
- Locate damaged wire by removing seat side trim panel.
- Repair and re-route damaged wiring.
Data: Motorwise Workshop. Bulletin 1.
Intermittent self-activation of alarm system siren
Cause
Alarm system in car movement sensors too sensitive.
Repair
- Fit new alarm system in car movement sensors.
Parts3 parts
| Part | Part number | Qty |
|---|---|---|
| Alarm system in car movement primary sensor | 50511682 | 1 |
| Alarm system in car movement secondary sensor | 50511683 | 1 |
| Alarm system in car movement secondary sensor | 50511683 | 2 |
Data: Motorwise Workshop. Bulletin 3.
Automatic window partial opening function not working correctly
Cause
Electric window control module software fault.
Repair
- Replace electric window control module(s) as required.
Parts8 parts
| Part | Part number | Qty |
|---|---|---|
| Electric window control module, left front - without retractable door mirrors (LHD) | 50510510 | 1 |
| Electric window control module, left front - with retractable door mirrors (LHD) | 50510511 | 1 |
| Electric window control module, right front - without retractable door mirrors (LHD) | 50510514 | 1 |
| Electric window control module, right front - with retractable door mirrors (LHD) | 50510515 | 1 |
| Electric window control module, right front - without retractable door mirrors (RHD) | 50510512 | 1 |
| Electric window control module, right front - with retractable door mirrors (RHD) | 50510513 | 1 |
| Electric window control module, left front - without retractable door mirrors (RHD) | 50510516 | 1 |
| Electric window control module, left front - with retractable door mirrors (RHD) | 50510517 | 1 |
Data: Motorwise Workshop. Bulletin 4.
Air conditioning & heating
1 documented fault — symptoms, causes and workshop fixes.
Erratic AC compressor operation
Symptoms
Air conditioning (AC) inefficient when ambient air temperature is high.
Cause
AC receiver/drier faulty.
Repair
- Fit modified AC receiver/drier.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| AC receiver/drier | 71748263 | 1 |
Data: Motorwise Workshop. Bulletin 5.
Body & trim
1 documented fault — symptoms, causes and workshop fixes.
Noise from rear of vehicle when driving over rough roads
Roof panel support and roof panel crossmember rubbing together.
Overview
- Affects
- All models, VIN →5002376.
Repair steps
- Remove interior side trim from C pillars.
- Lower the rear section of headlining.
- Using a suitable tool, increase clearance in bodywork joint.
- Apply sealant into entire length of bodywork joint.
Parts
| Part | Part number | Qty |
|---|---|---|
| Bodywork sealant | 51721311 | 1 |
Data: Motorwise Workshop. Bulletin 2.
Glossary
Technical terms used in this guide.
- VIN
- Vehicle identification number — 17 characters, found at the base of the windscreen and on the V5C logbook
- AC
- Air conditioning — the system that cools the cabin
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Receiver/Drier
- The air-conditioning filter/dryer that removes moisture from the refrigerant
- Wiring Harness
- The bundled cables that carry power and signals around the vehicle
Frequently asked questions
What are the common faults with the Alfa Romeo Brera 1.75 TBi?
This guide contains five workshop bulletins for the Alfa Romeo Brera 1.75 TBi. Of these, three concern the electrical and ignition and one the air conditioning and heating. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Alfa Romeo Brera 1.75 TBi 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 Brera 1.75 TBi faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.