Engine & fuel system
6 documented faults — symptoms, causes and workshop fixes.
Engine malfunction indicator lamp (MIL) illuminated. Trouble code stored: P042100
Overview
- Affects
- All models with 2.2 Diesel engine, →05/13.
- Remedy
- Software update
Symptoms
Stop-start system not working.
Cause
Engine control module (ECM) 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 ECM with modified software.
Data: Motorwise Workshop. Bulletin 3.
Stop-start system warning lamp flashing. Trouble code stored: P0A8D00
Engine control module (ECM) software fault. Fix: re-program with updated software.
Overview
- Affects
- All models with stop-start system, →05/13.
- Remedy
- Software update
Symptoms
Warning message 'Battery Management System Inspection Required' displayed in instrument panel.
Repair steps
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program ECM with modified software.
- Carry out electrical power management system initialisation procedure.
Data: Motorwise Workshop. Bulletin 4.
Intake noise from engine area on acceleration
Turbocharger (TC) intercooler outlet hose detached. Fix: fit a new part.
Overview
- Affects
- All models with 2.2 Diesel engine, →21/05/14.
- Remedy
- Fit new part
Symptoms
Abnormal noise from engine bay while driving. Lack of power when accelerating.
Repair steps
- Check turbocharger (TC) intercooler hose for damage and replace as necessary.
- Ensure hose mating surfaces are free from oil and grease.
- Fit new hose clamp. Refit TC intercooler hose.
Parts
| Part | Part number | Qty |
|---|---|---|
| Hose clamp | SHY1 13 737 | 1 |
Data: Motorwise Workshop. Bulletin 5.
Hesitation when accelerating after decelerating between 1200-2400rpm at normal operating temperature
Incorrect exhaust gas recirculation (EGR) parameters stored in engine control module (ECM). Fix: re-program with updated software.
Overview
- Affects
- All models with 2.2 Diesel engine, →05/13.
- Remedy
- Software update
Repair steps
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program ECM with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
- Carry out stop-start system initialisation procedure.
Data: Motorwise Workshop. Bulletin 8.
Engine malfunction indicator lamp (MIL) illuminated. Trouble code stored: P2002:00
Engine control module (ECM) software fault. Fix: re-program with updated software.
Overview
- Affects
- All models with 2.2 Diesel engine, →05/13.
- Fault codes
P2002- Remedy
- Software update
Symptoms
Stop-start system not working.
Repair steps
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program ECM with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
- Carry out stop-start system initialisation procedure.
Data: Motorwise Workshop. Bulletin 9.
Engine oil leak from oil pressure warning lamp switch
Cause
Frequent engine starts at low ambient air temperatures cause damage to oil pressure warning lamp switch.
Repair
- Fit modified oil pressure warning lamp switch.
Data: Motorwise Workshop. Bulletin 10.
Electrical & ignition
4 documented faults — symptoms, causes and workshop fixes.
Failure of left or right headlamp
Overview
- Affects
- All models with gas discharge headlamps.
- Remedy
- Fit new part
Cause
Headlamp igniter unit not fitted correctly causing poor connection.
Repair
- Ensure headlamp igniter unit is disconnected from power supply.
- Fit new headlamp bulb and headlamp igniter unit. Turn headlamp igniter unit fully clockwise until it locks into position.
Data: Motorwise Workshop. Bulletin 2.
Seat belt warning buzzer and warning lamp on when passenger's seat is unoccupied
Cause
Faulty front passenger's seat occupation pressure sensor.
Repair
- Fit new front seat cushion, incorporating modified seat occupation pressure sensor.
Parts4 parts
| Part | Part number | Qty |
|---|---|---|
| Clip | KD45 88 585 | 2 |
| Seat adjustment lever (LHD) | KD45 88 1G5 02 | 1 |
| Seat adjustment lever (RHD) | KF61 88 1H5 02 | 1 |
| Front seat cushion | Refer to manufacturer | 1 |
Data: Motorwise Workshop. Bulletin 6.
Retractable door mirrors inoperative
Overview
- Affects
- All models with electric door mirrors, →08/14.
- Remedy
- Fit modified part
Symptoms
Door windows cannot be operated from driver's door electric window switch assembly.
Cause
Driver's door electric window switch assembly internal damage due to voltage surge.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit modified driver's door electric window switch assembly.
Data: Motorwise Workshop. Bulletin 7.
Sunroof opens by itself
Condensation build up in sunroof switch causing short circuit. Fix: fit a modified part.
Overview
- Affects
- All models with sunroof, →02/12/14.
- Remedy
- Fit modified part
Repair steps
- Cut foam pad into 20 mm x 50 mm strip.
- Apply foam strip to sunroof wiring harness as shown.
- Fit modified front interior lamps assembly. Sunroof switch integral to front interior lamps assembly.
Parts
| Part | Part number | Qty |
|---|---|---|
| Front interior lamps assembly (models without alarm system) | KD47-69-970C 75 | 1 |
| Front interior lamps assembly (models with alarm system) | KD51-69-970C 75 | 1 |
| Foam pad | D6Y1-61-888 | 1 |
Data: Motorwise Workshop. Bulletin 12.
Suspension & drivetrain
2 documented faults — symptoms, causes and workshop fixes.
Noise from front suspension when driving over rough roads or speed humps in wet weather conditions
Overview
- Affects
- All models, →2016.
- Remedy
- Fit modified part
- Parts
- 1 part
Repair
- Fit modified front suspension lower arm front bush.
- Repeat procedure for opposite side.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Suspension lower arm bush | TK48-34-470 | 2 |
Data: Motorwise Workshop. Bulletin 11.
Vibration through vehicle whilst driving, more noticeable at 25-30mph (40-50kph)
Cause
Excessive wear in front driveshaft inner joint due to poor material characteristics.
Repair
- Fit modified front driveshaft inner joint.
Data: Motorwise Workshop. Bulletin 14.
Clutch & gearbox
2 documented faults — symptoms, causes and workshop fixes.
Central locking not operating
Symptoms
Audio unit remains on after ignition key removed.
Cause
Transmission park position not recognised due to faulty park position switch.
Repair
- Fit new park position switch.
Data: Motorwise Workshop. Bulletin 13.
Whining noise from transmission when driving above 10mph (16kph)
Cause
Poor manufacture of transmission housing.
Repair
- Transmission requires reconditioning or replacing.
Data: Motorwise Workshop. Bulletin 16.
Air conditioning & heating
1 documented fault — symptoms, causes and workshop fixes.
Air conditioning (AC) inefficient
Cause
Refrigerant leak from AC evaporator due to poor manufacture.
Repair
- Fit modified AC evaporator.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| AC evaporator (except CX-5) | GJE8-61-J10A | 1 |
| AC evaporator (CX-5) | KD77-61-J10A | 1 |
Data: Motorwise Workshop. Bulletin 15.
Wipers & visibility
1 documented fault — symptoms, causes and workshop fixes.
Rattling noise from fascia or bulkhead when driving over rough roads
Cause
Windscreen scuttle panel retaining bolts loose.
Repair
- Tighten windscreen scuttle panel retaining bolts& Tightening torque: 22 - 30 Nm.
Data: Motorwise Workshop. Bulletin 1.
Glossary
Technical terms used in this guide.
- ECM
- Engine control module — the electronic unit that manages the engine
- VIN
- Vehicle identification number — 17 characters, found at the base of the windscreen and on the V5C logbook
- Nm
- Newton-metres — the standard unit for how tightly a bolt is done up
- EGR
- Exhaust gas recirculation — feeds some exhaust gas back into the intake to cut emissions
- AC
- Air conditioning — the system that cools the cabin
- TC
- Turbocharger — the exhaust-driven compressor that boosts engine power
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Driveshaft
- The shaft that takes drive from the differential out to a wheel
- Instrument Panel
- The dashboard display that shows warning lights and messages
- Intercooler
- A radiator that cools the air coming out of the turbocharger before it enters the engine
- 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
- Wiring Harness
- The bundled cables that carry power and signals around the vehicle
- Bush
- A rubber mounting that lets a suspension or body joint move without metal-to-metal contact
- Evaporator
- The air-conditioning heat exchanger in the dashboard that cools the cabin air
- Intercooler Hose
- The pipe that carries pressurised air between the turbocharger, intercooler and engine
- Lower Arm
- A suspension link that locates the wheel at the bottom of the hub
- Recirculation
- Air-conditioning mode that recirculates cabin air instead of drawing in outside air
Frequently asked questions
What are the common faults with the Mazda CX-5 2.2?
This guide contains 16 workshop bulletins for the Mazda CX-5 2.2. Of these, six concern the engine and fuel system and four the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Mazda CX-5 2.2 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 Mazda CX-5 2.2 faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.