2018 Mazda CX-5 Technical Service Bulletins

634 technical service bulletins (TSBs) are on record for the 2018 Mazda CX-5. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10235418Apr 12, 2023Exterior lighting. Some customers may complain of foggy rear combination lights (as shown below) after a car wash or heavy rain.
• 10235414Apr 3, 2023Steering. Some vehicles may exhibit wear/peel-off of the leather steering wheel surface causing a poor appearance. This concern may be caused by an insufficient wear resistance of the steering wheel surface.
• 10233669Mar 21, 2023Equipment. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method. B. Auxiliary Key Code Cut Method
• 10233704Mar 1, 2023Visibility (wipers, defrost, mirrors). Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to be wet.
• 10232299Feb 28, 2023Electrical system. Speedometer replacement procedure
• 10232280Feb 28, 2023Electrical system, Air bags. Some customers may experience the airbag warning light ON with DTC B00A0:09 stored in the SAS control module memory when the battery voltage is low. DTC B00A0:09 (Occupant classification sensor internal signal output unstable). This concern is caused by the low voltage detection time of the occupant classification sensor (OCS) being too short during cranking, which causes detection of the DTC unnecessarily.
• 10232279Feb 16, 2023Seats, Forward collision avoidance, Electrical system, Seat belts. Some vehicles may turn on the passenger seatbelt reminder, even though there is no passenger seated in the vehicle. This concern may be caused by the passenger sensor being too sensitive. To eliminate this concern, the passenger sensor has been modified.
• 10232274Feb 16, 2023Engine cooling. Some customers may experience the check engine light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the following symptoms: The engine takes longer to warm up. The engine temperature gauge fluctuates. The low coolant temperature indicator (blue) light stays on longer or comes on while driving. Poor heater performance, especially at idle. NOTE: Vehicles with SKYACTIV-G 2.5T are not applicable.
• 10232276Feb 13, 2023Brakes. Front Brake Noise Symptom 1: Some vehicles may exhibit a click noise when first moving forward or reverse from a stop OR when first applying the brakes while moving forward at slow speeds. This is caused by deteriorated grease between the brake pads and the shim, the front brake pads move upward/downward along with the brake rotors during brake application. When the vehicle moves or the brakes are applied the next…
• 10232304Feb 9, 2023Electrical system, Exterior lighting, Engine cooling, Brakes, Visibility…. Some customers may experience one or more electrical malfunctions after a vehicle body repair. The newly painted fender stay (2) may be causing a poor front harness (1) ground connection.
• 10232301Feb 7, 2023Transmission and drivetrain. The rear differential case could develop a crack in the case. NOTE: This could affect new vehicles just delivered to the dealer as well as customer vehicles. This concern is caused when the sliding bearing (1) in the coupling (2) is seized and causes the coupling component to fit loosely. The pinion shaft head (3) then contacts the differential case and causes a crack.
• 10232271Feb 3, 2023Engine cooling. Some vehicles may have the check engine light on with DTC P0524:00 or P055F:00 stored in memory. Contamination in the engine oil may cause the engine oil solenoid valve to become stuck, resulting in improper operation of the oil pump and improper oil pressure. DTC P0524:00 (Engine oil pressure too low), DTC P055F:00 (Engine oil pressure malfunction). The control software of the PCM has been modified to eliminate…
• 10232300Feb 1, 2023Electrical system. Some customers may complain that the ambient temperature on the instrument cluster is displayed more than 50 °F (10°C) lower than the actual temperature, resulting in insufficient performance of the air conditioning. This is caused by inappropriate soldering in the ambient temperature sensor. To eliminate this concern, the soldering process has been enhanced since December 2021 at the supplier.
• 10230882Jan 27, 2023Transmission and drivetrain. The rear differential case could develop a crack in the case NOTE: This could affect new vehicles just delivered to the dealer as well as customer vehicles. This concern is caused when the sliding bearing in the coupling is seized and causes the coupling component to fit loosely. The pinion shaft head then contacts the differential case and causes a crack.
• 10230902Jan 23, 2023Body and structure. When encountering a vehicle with paint damage, refer to the "Mazda Paint Warranty Guide" to determine cause, prevention, remedy, and warranty coverage (if applicable).
• 10230865Jan 23, 2023Engine cooling. When servicing SKYACTIV engine vehicles requiring to replace the Oil Galley Plug and Crush Washer, order the required part numbers below. These parts are not listed in GEPC and were previously listed as "non-serviceable" in the cylinder block diagram.
• 10230870Jan 12, 2023Equipment. Some customers may complain about infotainment center display: - Ghost Touch - DTC B108E:04 may be stored (Touch screen operates by itself) - Surface Peeling - DTC B108E:04 may be stored - Spider Cracks - White dots IMPORTANT NOTE: DO NOT replace the infotainment center display assembly. Low cost repair kits are available to repair the infotainment center display screen.
• 10230864Jan 12, 2023Equipment. This Parts Flash replaces RF-22-01R2 released January 04, 2022. It includes new display repair kit part numbers for the 2018-2019 Mazda2, 2018-2020 CX-3 and 2018-2020 MX-5. Repair kits are available to replace just the screen. There is no need to replace the entire infotainment display unit as the supply chain has been heavily impacted due to the global shortage of semiconductors.
• 10230875Jan 11, 2023Brakes. Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging. If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
• 10230863Jan 4, 2023Equipment. This Parts Flash replaces RF-22-01R released November 21, 2022. It includes a new display repair kit part number for the 2020-2022 MX-5. Repair kits are available to replace just the screen. There is no need to replace the entire infotainment display unit as the supply chain has been heavily impacted due to the global shortage of semiconductors.
• 10230869Jan 3, 2023Equipment. Some customers may complain about infotainment center display: - Ghost Touch - DTC B108E:04 may be stored (Touch screen operates by itself) - Surface Peeling - DTC B108E:04 may be stored - Spider Cracks - White dots IMPORTANT NOTE: DO NOT replace the infotainment center display assembly. Low cost repair kits are available to repair the infotainment center display screen.
• 10228657Dec 20, 2022Brakes. Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging. If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
• 10228651Dec 7, 2022Equipment. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method
• 10228648Dec 1, 2022Engine cooling. Some vehicles may experience the Check Engine Light ON with DTC P0171 (Fuel Trim too Lean) and possibly DTCs P030X (Misfire). Vehicles having this concern should use the following Inspection/Repair procedure.
• 10226825Nov 29, 2022Brakes. Front Brake Noise Symptom 1: Some vehicles may exhibit a click noise when first moving forward or reverse from a stop OR when first applying the brakes while moving forward at slow speeds. This is caused by deteriorated grease between the brake pads and the shim, the front brake pads move upward/downward along with the brake rotors during brake application. When the vehicle moves or the brakes are applied the next…
• 10226930Nov 22, 2022Equipment, Electrical system. Some customers may complain about infotainment center display: * Ghost Touch * DTC B108E:04 may be stored (Touch screen operates by itself) * Surface Peeling * DTC B108E:04 may be stored * Spider Cracks * White dots
• 10226834Nov 22, 2022Electrical system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 74.00.324 or later). The system performance has been improved as follows: Ver. 74.00.324 fixes these software errors (bugs): * If the shift lever is operated quickly while displaying the CarPlayTM screen, the rear view screen may not return to the CarPlayTM screen.
• 10226914Nov 21, 2022Electrical system, Equipment. Repair kits are available to replace just the screen. There is no need to replace the entire infotainment display unit as the supply chain has been heavily impacted due to the global shortage of semiconductors. Please use the table below when ordering the screen repair kits. This can also be found in Service Alert SA-041/22.
• 10226827Nov 21, 2022Electrical system. Some vehicles may exhibit the following malfunctions: - The film on the center display is peeling off, as shown in the illustration below. This may be caused by cleaning the center display surface. Water and/or a cleaning solution may get into the scratches on the film and cause the film to start peeling (As a result, DTC B108E:04 may be stored). To eliminate this concern, the anti-reflective film has been modified…
• 10226814Nov 18, 2022Suspension. Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the shaft seal. Follow the inspection guidelines below to determine if the condition is a result of the normal sweeping process or a failure of the shaft seal.
• 10226924Nov 14, 2022Electrical system. If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices. Examples: 1. Devices connected to the…
• 10226923Nov 14, 2022Visibility (wipers, defrost, mirrors), Electrical system. Some customers may complain the HVAC system not maintaining the correct temperature or the ambient (outside) temperature reading incorrectly. This is caused by a failure in the ambient temperature sensor. To correct this issue, the ambient temperature sensor has been modified.
• 10226895Nov 3, 2022Electrical system. Some vehicles may exhibit either or both of the following symptoms. 1. The SCBS warning light is illuminated with DTC U045A:68 [FORWARD SENSING CAMERA (FSC)]. U045A:68 Error signal received from parking assist unit 2. The parking sensor indicator is flashing with one or more of the following DTCs of PARKING ASSIST SYSTEM.
• 10225776Oct 19, 2022Engine cooling. Some customers may experience the CHECK ENGINE light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the following symptoms: * The engine takes longer to warm up * The engine temperature gauge fluctuates * The low coolant temperature indicator (blue) light stays on longer or comes on while driving * Poor heater performance, especially at idle NOTE: * Vehicles with SKYACTIV-G 2.5T are not applicable.
• 10225767Oct 17, 2022Transmission and drivetrain. The new SKYACTIV-DRIVE FW6A-EL AT uses "Automatic Transmission Fluid (ATF) Type: FZ". Only use "ATF-FZ" to fill or top off the fluid level. ATF-FZ is specially designed for use in the SKYACTIV-DRIVE series AT. It is a low viscosity formula with less friction for better fuel economy. NOTE: ATF-FZ is colored blue for easy identification.
• 10225724Oct 17, 2022Body and structure. Some vehicles may experience exterior trim heat damage when parked near a glass building or Low-E windows. This may be caused by the sun's reflection.
• 10225763Oct 12, 2022Electrical system. Some customers may complain about the following message displayed in the Multi-Information Display: In the following cases, the MRCC with Stop & Go function system is canceled when the vehicle is traveling at 19 mph (30 km/h) or less: * The Forward Sensing Camera (FSC) cannot detect target objects due to one of the following: - The windshield is dirty - The FSC lens is foggy - There is low visibility due to rain…
• 10225761Oct 12, 2022Electrical system. Some vehicles may have one of the following DTCs stored in memory along with a system status notice on the Multi-information display OR display a system status notice with no DTC: * C1001:92 - Forward sensing camera (FSC) poor field of view [Gen 6 vehicles] * B14F0:92 - General temporary failure in forward sensing camera (FSC) [Gen 7 vehicles built on or before March 2, 2019] * No DTC - Warning Message only [Gen 7…
• 10225751Oct 10, 2022Engine cooling. Some vehicles equipped with a coolant control valve may exhibit difficulties when refilling the coolant because the control valve is closed and air in the engine cannot escape during ignition ON. Therefore, turn the ignition OFF when refilling engine coolant using the radiator filler neck.
• 10225774Oct 6, 2022Engine cooling. Some vehicles may exhibit accumulation of dried coolant (1) around the water pipe (2). This is caused by a gap between the housing and pipe due to a press fitting during the manufacturing process. The accumulated coolant is solidified and plugs the gap in high temperature environment and the seepage is stopped and does not progress. This is normal and does not require a part replacement, clean off the dried coolant…
• 10222564Sep 26, 2022Transmission and drivetrain. Some customers may experience a squeaking noise may be heard from the exhaust manifold when the idle speed drops from fast idle to normal idle speed during cold start. This is caused by a variable valve being stuck in the closed position. When returning from fast idle to normal, the stuck valve suddenly opens due to thermal change around it which causes abnormal noise. To eliminate this concern, the internal design…
• 10222452Sep 13, 2022Electrical system, Equipment. Some customers may complain about infotainment center display ghost touch (touch screen operates by itself), surface peeling or spider cracks. Repair kits are available to replace just the screen. There is no need to replace the entire infotainment display unit as the supply chain has been heavily impacted due to the global shortage of semiconductors.
• 10218721Aug 17, 2022Electrical system. Some customers may complain about infotainment center display: - Ghost Touch (Touch screen operates by itself) - Surface Peeling - Spider Cracks Repair kits are available to replace just the screen. There is no need to replace the entire infotainment display unit.
• 10218720Aug 9, 2022Electrical system. Use the symptom troubleshooting tables below to diagnose MAZDA CONNECT concerns.
• 10218727Aug 8, 2022Latches, locks and linkages. Some CX-5 and CX-30 customers may find that the liftgate does not close when pressing the power liftgate (PLG) rear switch located on the interior liftgate trim. This may be caused by PLG switch corrosion. Water from a high pressure car washer and/or condensation may drip onto the switch connector and cause corrosion. To eliminate this concern, the PLG rear switch has been modified with a waterproof connector.
• 10218722Aug 3, 2022Electrical system. Some vehicles may experience a lack of power and the check engine light on with DTC P061B:00 stored in PCM memory under one of the following conditions (A or B). - DTC P061B:00 - [PCM] Internal control module torque calculation performance problem.
• 10218719Aug 1, 2022Latches, locks and linkages. Some customers may complain that their liftgate does not open. This can mean a range of things, from the liftgate not unlatching to the power liftgate (PLG) not opening automatically. If you confirm that the customer's concern is that the liftgate does not unlatch correctly, follow the repair information below
• 10217209Jul 18, 2022Electrical system. In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer.
• 10217210Jul 15, 2022Suspension. Some customers may complain about oil seepage or oil leakage from the rear shock absorbers. This concern may be due to a lack of sealing performance. To eliminate the oil seepage/leakage, the rear shock absorbers production process has been modified.
• 10215254Jun 29, 2022Engine cooling. Some customers may complain about an unusual thumping / rattling noise coming from the engine compartment. The noise is most pronounced under the following conditions: - Engine at idle - Transmission in drive - Foot on the brake pedal - A/C OFF - Audio OFF The noise may be caused by loose fitting heater hoses vibrating the heater hose bracket protector. Page

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