Mazda2012–2017

CX-5 2.0 160 hp: Common faults & known problems

Common faults & known problems

14 known faults documented in workshop bulletins. Of these, four concern the engine and fuel system and four the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.

Technical specifications

Engine & fuel system

4 documented faults — symptoms, causes and workshop fixes.

Engine malfunction indicator lamp (MIL) illuminated. Possible trouble code(s) stored: P008800, P019100

Overview

Affects
All models with petrol engines, →11/13.
Remedy
Fit new part
Parts
5 parts

Cause

Unsatisfactory design of high-pressure fuel pump causing pressure fluctuations.

Repair

  1. Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
  2. If no fault(s) found: Fit new high-pressure fuel pump and associated parts.
Parts5 parts
Parts listed in the bulletin
PartPart numberQty
High-pressure fuel pumpPE18 50 3FO1
Fuel pipe - 1,5P501 13 2901
Fuel pipe - 2,0PE01 13 290D1
Fuel pipe - 2,5PY01 13 290A1
Seal ringPE01 13 5551

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

  1. Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
  2. If no fault(s) found: Re-program ECM with modified software.
  3. Carry out electrical power management system initialisation procedure.

Data: Motorwise Workshop. Bulletin 4.

Engine oil leak from oil pressure warning lamp switch

Affects All models, →2015.Fit modified part

Cause

Frequent engine starts at low ambient air temperatures cause damage to oil pressure warning lamp switch.

Repair

  1. Fit modified oil pressure warning lamp switch.

Data: Motorwise Workshop. Bulletin 7.

Lack of power

Overview

Affects
All models with petrol engines, →04/16.
Fault codes
P0300P0301P0302P0303P0304
Remedy
Fit modified part
Parts
1 part

Symptoms

Engine malfunction indicator lamp (MIL) illuminated. Trouble codes stored: P0300, P0301, P0302, P0303, P0304. Erratic idle.

Cause

Faulty ignition coil(s). Note: This fault is only associated with ignition coils made by Yumebishi.

Repair

  1. Check ignition coil(s) for damage and/or high resistance.
  2. Fit modified ignition coils as necessary.
Parts1 part
Parts listed in the bulletin
PartPart numberQty
Ignition coilPE20-18-100AAs required

Data: Motorwise Workshop. Bulletin 13.

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

  1. Ensure headlamp igniter unit is disconnected from power supply.
  2. 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

Affects All models.Fit new part

Cause

Faulty front passenger's seat occupation pressure sensor.

Repair

  1. Fit new front seat cushion, incorporating modified seat occupation pressure sensor.
Parts4 parts
Parts listed in the bulletin
PartPart numberQty
ClipKD45 88 5852
Seat adjustment lever (LHD)KD45 88 1G5 021
Seat adjustment lever (RHD)KF61 88 1H5 021
Front seat cushionRefer to manufacturer1

Data: Motorwise Workshop. Bulletin 5.

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

  1. Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
  2. If no fault(s) found: Fit modified driver's door electric window switch assembly.

Data: Motorwise Workshop. Bulletin 6.

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

  1. Cut foam pad into 20 mm x 50 mm strip.
  2. Apply foam strip to sunroof wiring harness as shown.
  3. Fit modified front interior lamps assembly. Sunroof switch integral to front interior lamps assembly.

Parts

Parts listed in the bulletin
PartPart numberQty
Front interior lamps assembly (models without alarm system)KD47-69-970C 751
Front interior lamps assembly (models with alarm system)KD51-69-970C 751
Foam padD6Y1-61-8881

Data: Motorwise Workshop. Bulletin 9.

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

Cause

Front suspension lower arm front bush faulty.

Repair

  1. Fit modified front suspension lower arm front bush.
  2. Repeat procedure for opposite side.
Parts1 part
Parts listed in the bulletin
PartPart numberQty
Suspension lower arm bushTK48-34-4702

Data: Motorwise Workshop. Bulletin 8.

Vibration through vehicle whilst driving, more noticeable at 25-30mph (40-50kph)

Affects All models with automatic transmission.Fit modified part

Cause

Excessive wear in front driveshaft inner joint due to poor material characteristics.

Repair

  1. Fit modified front driveshaft inner joint.

Data: Motorwise Workshop. Bulletin 12.

Clutch & gearbox

2 documented faults — symptoms, causes and workshop fixes.

Central locking not operating

Affects All models with automatic transmission, 2012-16.Fit new part

Symptoms

Audio unit remains on after ignition key removed.

Cause

Transmission park position not recognised due to faulty park position switch.

Repair

  1. Fit new park position switch.

Data: Motorwise Workshop. Bulletin 10.

Whining noise from transmission when driving above 10mph (16kph)

Affects All models with 6-speed automatic transmission, →11/13.

Cause

Poor manufacture of transmission housing.

Repair

  1. Transmission requires reconditioning or replacing.

Data: Motorwise Workshop. Bulletin 11.

Air conditioning & heating

1 documented fault — symptoms, causes and workshop fixes.

Air conditioning (AC) inefficient

Affects All models with air conditioning (AC), →04/16.Fit modified part

Cause

Refrigerant leak from AC evaporator due to poor manufacture.

Repair

  1. Fit modified AC evaporator.
Parts2 parts
Parts listed in the bulletin
PartPart numberQty
AC evaporator (except CX-5)GJE8-61-J10A1
AC evaporator (CX-5)KD77-61-J10A1

Data: Motorwise Workshop. Bulletin 14.

Wipers & visibility

1 documented fault — symptoms, causes and workshop fixes.

Rattling noise from fascia or bulkhead when driving over rough roads

Affects All models: VIN →JMZKE******111856.Adjust & tighten

Cause

Windscreen scuttle panel retaining bolts loose.

Repair

  1. Tighten windscreen scuttle panel retaining bolts& Tightening torque: 22 - 30 Nm.

Data: Motorwise Workshop. Bulletin 1.

Glossary

Technical terms used in this guide.

MIL
Malfunction indicator lamp — the engine warning light on the dashboard
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
Trouble Codes
Standardised fault codes stored by the engine control module, read with a diagnostic tool
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)
Driveshaft
The shaft that takes drive from the differential out to a wheel
Instrument Panel
The dashboard display that shows warning lights and messages
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
Lower Arm
A suspension link that locates the wheel at the bottom of the hub

Frequently asked questions

What are the common faults with the Mazda CX-5 2.0?

This guide contains 14 workshop bulletins for the Mazda CX-5 2.0. Of these, four 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 2.0 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 2.0 faults myself?

Many of them. The documented symptoms can be seen, heard or felt during a test drive.

Related guides

Glossary term

See in the glossary →