Engine & fuel system
3 documented faults — symptoms, causes and workshop fixes.
Stop-start system warning lamp illuminated in instrument panel after reverse gear is engaged
Overview
- Affects
- All models with stop-start system and parking aid control, VIN →1123559.
- Remedy
- Software update
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.
Data: Motorwise Workshop. Bulletin 3.
Engine coolant leak from coolant pipe connection on LH side of cylinder block
Cause
Unsatisfactory design of engine coolant pipe O-ring.
Repair
- Fit modified engine coolant pipe complete with O-ring.
Data: Motorwise Workshop. Bulletin 8.
Central locking not operating when using remote control
Overview
- Affects
- All models.
- Remedy
- Software update
Symptoms
Irregular operation of lane departure warning system. Irregular operation of stop-start system.
Cause
Multifunction 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 multifunction 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 9.
Electrical & ignition
2 documented faults — symptoms, causes and workshop fixes.
TPMS warning lamp illuminated
Symptoms
Trouble code stored: C1010 (TPMS sensor).
Cause
TPMS control module software fault.
Repair
- Re-program TPMS control module with upgraded software.
Data: Motorwise Workshop. Bulletin 1.
Seat belt warning buzzer and warning lamp on when seat belt fastened
Overview
- Affects
- All models.
Cause
Front seat belt buckle wiring harness damaged due to trapping in seat height adjustment linkage.
Repair
- Repair or replace front seat belt buckle wiring harness as necessary.
- Protect wiring harness with convoluted plastic conduit.
Data: Motorwise Workshop. Bulletin 4.
Brakes
2 documented faults — symptoms, causes and workshop fixes.
Noise from front brakes when brakes applied
Vibration between front brake pads and discs. Fix: fit a modified part.
Overview
- Affects
- All models: Without red brake calipers, VIN →1029234. With red brake calipers, VIN →1028240.
- Remedy
- Fit modified part
Repair steps
- Clean mating surfaces of brake caliper and carrier.
- Fit modified front brake pads and shims.
- Ensure arrows on brake pads and on shims point in a forward direction.
Parts
| Part | Part number | Qty |
|---|---|---|
| Front brake pad kit | 77364716 | 2 |
| Brake pad shim kit | 77365201 | 2 |
Data: Motorwise Workshop. Bulletin 2.
Brake pedal sticking or not returning causing overheating of brake discs
Symptoms
Brakes binding.
Cause
Unsatisfactory design of brake pedal assembly.
Repair
- Fit modified brake pedal assembly.
Parts4 parts
| Part | Part number | Qty |
|---|---|---|
| Brake pedal | 77366184 | 1 |
| Brake pedal pivot pin | 71747803 | 1 |
| Brake pedal pivot bush | 71740397 | 2 |
| Clip | 71747693 | 1 |
Data: Motorwise Workshop. Bulletin 6.
Steering
1 documented fault — symptoms, causes and workshop fixes.
Multifunction steering wheel controls intermittent operation or not working
Cause
Multifunction steering wheel control button assemblies faulty.
Repair
- Fit new multifunction steering wheel control button assemblies.
Data: Motorwise Workshop. Bulletin 5.
Wipers & visibility
1 documented fault — symptoms, causes and workshop fixes.
Windscreen wiper blade not clearing windscreen efficiently
Cause
Unsatisfactory design of windscreen wiper arm.
Repair
- Fit new driver's side windscreen wiper arm.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Windscreen wiper arm (LHD) | 50521548 | 1 |
| Windscreen wiper arm (RHD) | 50521549 | 1 |
Data: Motorwise Workshop. Bulletin 7.
Other
2 documented faults — symptoms, causes and workshop fixes.
Poor performance or failure of AC system
Overview
- Affects
- All models with air conditioning (AC), VIN →1134577.
- Remedy
- Fit modified part
- Parts
- 3 parts
Cause
Refrigerant leak from AC pipe seal rings.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit modified AC pipe seal rings. Recharge AC system with correct quantity of refrigerant.
Parts3 parts
| Part | Part number | Qty |
|---|---|---|
| Seal ring | 10877887 | 1 |
| Seal ring | 10877980 | 2 |
| Seal ring | 10878180 | 1 |
Data: Motorwise Workshop. Bulletin 10.
Poor performance or failure of AC system
Overview
- Affects
- All models with 0.9/1.3/1.4 engines and air conditioning (AC).
- Remedy
- Fit modified part
- Parts
- 2 parts
Cause
Failure of AC condenser.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit modified AC condenser Recharge AC system with correct quantity of refrigerant.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| AC condenser (petrol models with non-turbocharged engines) | 50526514 | 1 |
| AC condenser (except petrol models with non-turbocharged engines) | 50526515 | 1 |
Data: Motorwise Workshop. Bulletin 11.
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
- LHD
- Left-hand drive — steering wheel on the left
- RHD
- Right-hand drive — steering wheel on the right
- TPMS
- Tyre pressure monitoring system — warns if a tyre is under-inflated
- Caliper
- The part that squeezes the brake pads onto the disc
- 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
- Multifunction Control Module
- The control module that runs shared electrical functions (lights, wipers, locking, and so on)
- Parking Aid
- The reversing/parking sensors and their control module
- Refrigerant
- The gas/liquid that carries heat in the air-conditioning system
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Stop-Start
- The system that cuts the engine at idle and restarts it when you pull away
- Trouble Code
- A standardised fault code stored by a control module, read with a diagnostic tool
- 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 MiTo 1.4 T-Jet?
This guide contains 11 workshop bulletins for the Alfa Romeo MiTo 1.4 T-Jet. Of these, three concern the engine and fuel system and two the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Alfa Romeo MiTo 1.4 T-Jet 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 MiTo 1.4 T-Jet faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.