Engine & fuel system
2 documented faults — symptoms, causes and workshop fixes.
Unable to program central locking key
Overview
- Affects
- All models with keyless entry/start system, 01/01/18-13/12/18.
- Remedy
- Software update
Cause
Keyless entry/start 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 keyless entry/start 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 2.
Intermittent operation of multifunction display
Overview
- Affects
- All models with 7 inch multifunction display incorporated in instrument panel.
- Remedy
- Software update
Symptoms
Erratic oil level readings in instrument panel.
Cause
Instrument panel 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 instrument panel with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 3.
Electrical & ignition
1 documented fault — symptoms, causes and workshop fixes.
Headlamp level control inoperative on one or both headlamps
Unsatisfactory design of headlamp adjustment motor. Fix: fit a modified part.
Overview
- Affects
- All models with gas discharge headlamps, →16/11/17.
- Remedy
- Fit modified part
Repair steps
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit modified headlamp(s) as required. Note: Disconnect battery before carrying out repair work on headlamp(s).
- Check and adjust headlamp alignment.
Parts
| Part | Part number | Qty |
|---|---|---|
| LH headlamp (LHD) | 50557247 | 1 |
| RH headlamp (LHD) | 50557244 | 1 |
| RH headlamp (RHD) | 50557246 | 1 |
| LH headlamp (RHD) | 50557249 | 1 |
Data: Motorwise Workshop. Bulletin 1.
Suspension & drivetrain
1 documented fault — symptoms, causes and workshop fixes.
Cruise control intermittently disengages by itself
Overview
- Affects
- All models with cruise control, →21/02/18.
- Remedy
- Software update
Symptoms
Cruise control not returning to preset vehicle speed.
Cause
Vibration through suspension due to winter tyres fitted.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program ABS/ESP 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 4.
Air conditioning & heating
1 documented fault — symptoms, causes and workshop fixes.
No cold air flow through ventilation flaps when air conditioning (AC) operating
Overview
- Affects
- All models with air conditioning (AC), →29/11/17.
- Remedy
- Software update
Symptoms
Excessive difference in AC output temperature through different ventilation flaps.
Cause
AC control module software fault causing evaporator to freeze reducing or stopping air flow to vehicle interior.
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 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 5.
Glossary
Technical terms used in this guide.
- AC
- Air conditioning — the system that cools the cabin
- ABS/ESP
- Anti-lock braking and electronic stability programme — the system that stops the wheels locking and keeps the vehicle stable
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Instrument Panel
- The dashboard display that shows warning lights and messages
- Keyless Entry
- Unlocking the car with a remote or by carrying the key, without turning a barrel
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Evaporator
- The air-conditioning heat exchanger in the dashboard that cools the cabin air
Frequently asked questions
What are the common faults with the Alfa Romeo Giulia 2.9 Quadrifoglio?
This guide contains five workshop bulletins for the Alfa Romeo Giulia 2.9 Quadrifoglio. Of these, two concern the engine and fuel system and one the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Alfa Romeo Giulia 2.9 Quadrifoglio 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 Giulia 2.9 Quadrifoglio faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.