2021 Mazda CX-5 Technical Service Bulletins

501 technical service bulletins (TSBs) are on record for the 2021 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.

• 10225727Oct 10, 2022Electrical system. Some customers may complain about any of the following: * Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. * Remote function(s) inoperative. - Engine Start / Stop - Door Lock / Unlock - Lights ON / OFF * MAZDA CONNECT connected vehicle reception strength icon shows "X" or " "
• 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…
• 10225747Oct 6, 2022Electrical system. Some customers may comlpain about an intermittent Beep sound (popping sound) every 1 ~ 2 minutes while driving. This may be cause by a software error in the navigation SD card.
• 10225720Oct 4, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10225771Oct 3, 2022Transmission and drivetrain, Engine cooling. Some vehicles may have a "OW ENGINE OIL LEVEL" warning message and a CHECK ENGINE light illuminated in the instrument cluster with DTC P250F:00 stored in memory, and the oil level has actually decreased to near low. * DTC P250F:00 - Engine oil level signal: engine oil level low This is caused by an oil consumption increase due to damage of the valve seals on the exhaust side. To eliminate this concern, the design…
• 10222572Sep 28, 2022Electrical system. Some vehicles may experience the MyMazda App not communicating to the vehicle properly which may result in the condition monitor information is not refreshed or remote door lock/unlock not functioning. This is caused by a failure in communication between the telematics communication unit and the MyMazda App. To correct this issue, the control software of the telematics communication unit has been modified.
• 10222569Sep 28, 2022Electrical system. Some vehicles may exhibit a warning message displayed in the center display a few seconds after the brake system warning light in the instrument cluster has flashed for a moment at the time of departure or stop of the vehicle. This is caused by improper control logic of the gateway unit (GWU).
• 10222553Sep 8, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10219229Aug 25, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10219228Aug 25, 2022Electrical system. Some customers may complain about any of the following: - Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. - Remote function(s) inoperative. - Engine Start / Stop - Door Lock / Unlock - Lights ON / OFF - MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Confirm the customer's phone and vehicle have good to strong…
• 10218733Aug 17, 2022Electrical system. Some vehicles may experience the MyMazda App not communicating to the vehicle properly which may result in the condition monitor information is not refreshed or remote door lock/unlock not functioning. This is caused by a failure in communication between the telematics communication unit and the MyMazda App. To correct this issue, the control software of the telematics communication unit has been modified.
• 10218768Aug 11, 2022Electrical system. Some customers may complain that Mazda Connect does not start or that it takes a long time to restart after starting the vehicle. This is caused by the initialization process with the CMU failing at startup due to a defective circuit board element. To eliminate this concern, the internal hardware of the CMU has been improved.
• 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
• 10217206Jul 28, 2022Electrical system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7000C0A-NA03_11040 or later).
• 10217209Jul 18, 2022Electrical system. In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer.
• 10217185Jul 12, 2022Body and structure, Equipment. The purpose of this Service Alert is to remind dealers to keep the protective films on the piano black door garnishes attached until just before delivering the vehicle to the customer. The protective films are attached on new vehicles when shipped from the factory in order to avoid being scratched during transportation and while in dealer stock.
• 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
• 10215274Jun 22, 2022Electrical system. This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the battery periodically according to the repair procedure.
• 10215244Jun 10, 2022Electrical system, Equipment, Other or unknown. Some customers may complain about scratches on the instrument cluster lens.
• 10215015Jun 9, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10215238Jun 7, 2022Transmission and drivetrain. Service part Automatic Transaxles (ATX) manufactured on or after July, 2018 are shipped with a blank TCM that requires configuration.
• 10215358Jun 1, 2022Electrical system. Some vehicles may exhibit a warning message displayed in the center display a few seconds after the brake system warning light in the instrument cluster has flashed for a moment at the time of departure or stop of the vehicle. This is caused by improper control logic of the gateway unit (GWU).
• 10213185May 24, 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.
• 10213148May 20, 2022Electrical system. When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after replacement. Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.
• 10213147May 19, 2022Wheels. Some vehicles may exhibit a steering shimmy or body vibration during the PDI test drive or during the first few miles of driving after the vehicle has been delivered to the customer due to flat spots on the tires. Flat spots on tires may be caused by improper maintenance during dealer storage (e.g.: Vehicle was left stationary for a prolonged period of time in high ambient temperatures).
• 10213125May 12, 2022Electrical system, Other or unknown. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10213207May 9, 2022Electrical system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7000C0A-NA03_11026 or later).
• 10213145May 6, 2022Wheels. Some customers may complain that the tire sidewalls are distorted or "damaged".
• 10213140May 6, 2022Other or unknown. Mazda Connected Services Frequently Asked Questions (FAQs)
• 10213139May 6, 2022Latches, locks and linkages, Exterior lighting, Equipment, Electrical system. Some customers may complain about any of the following: *Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. **Remote function(s) inoperative. **Engine Start / Stop **Door Lock / Unlock **Lights ON / OFF *MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Confirm the customer's phone and vehicle have good to strong reception…
• 10210887Apr 27, 2022Equipment, Electrical system. Apple CarPlay / Android Auto Frequently Asked Questions (FAQs)
• 10210884Apr 26, 2022Engine cooling. A tapping/rattling noise may be noticed from the valve train area. This operating condition can occur on new vehicles which have been delivered to Mazda dealers (due to loading and unloading from transport trucks or customers moving their vehicles in and out of their garages to wash the vehicle, etc.). This condition may also occur if the engine is not allowed to warm up after multiple cold starts.
• 10210936Apr 19, 2022Latches, locks and linkages, Body and structure. Some vehicles may exhibit corrosion on the liftgate lock striker. This may be caused by water penetrating from micro cracks existing on the lock striker's coating surface that reacts with zinc contained in the undercoating and produces the corrosion. To eliminate this concern, a modified undercoating has been established for the liftgate lock striker.
• 10210905Apr 19, 2022Brakes. Some vehicles may exhibit a squeak noise from the rear brakes while braking lightly. The squeak noise may occur more frequently when driving at slow speeds. The noise is caused by poor contact between the guide plate and the mounting support.
• 10210933Apr 8, 2022Seats, Equipment. At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface. Customers having this concern should have their vehicle repaired by a qualified upholstery repair specialist using the following repair procedure.
• 10210879Apr 6, 2022Electrical system. Mazda Connected Services Frequently Asked Questions (FAQ).
• 10210867Apr 6, 2022Engine cooling. The WSM shows 3 possible crankshaft sprocket and timing chain combinations (Type A, B and C), but some vehicles have been produced with a combination of Type A timing chain with 2 yellow-colored links with a Type B crankshaft sprocket.
• 10210902Apr 5, 2022Steering. Some customers may complain that the steering wheel is off center more than 3° even when driving straight on a flat road.
• 10210865Apr 4, 2022Electrical system. Some customers may complain about any of the following: Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. *Remote function(s) inoperative. *Engine Start / Stop **Door Lock / Unlock **Lights ON / OFF *MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Confirm the customer's phone and vehicle have good to strong reception…
• 10210847Apr 4, 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
• 10210844Apr 4, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10209761Mar 29, 2022Equipment. Accessory instructions can be found on OneMazda under Dealer Resources - Parts & Accessories.
• 10209782Mar 24, 2022Equipment, Brakes. Some vehicles may exhibit a click or squeak noise from the front brakes under the following conditions: 2016-2022 CX-9 2018-2022 CX-5 (Click noise): 1. When first moving forward or reverse from a stop OR 2. When first applying the brakes while moving forward at slow speeds. Cause: Due to deteriorated grease between the brake pads and the shim, the front brake pads move upward/downward along with the brake rotors…
• 10209778Mar 17, 2022Equipment, Electrical system. The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code.
• 10209757Mar 16, 2022Engine. A new cylinder head assembly for service parts has been newly established for SKYACTIV-G 2.5 with cylinder deactivation when replacement is needed. Valves, valve springs, valve spring seats, and cotters (IN/EX) are included in the new assembly.
• 10209752Mar 9, 2022Wheels, Equipment, Transmission and drivetrain. There have been warranty claims submitted for growling or bearing whine noise in differentials, transfer units and transmissions where the source of the noise was a wheel bearing. This misdiagnosis can lead to multiple repair attempts, warranty debits, and additional inconvenience and/or cost to the customer. To reduce the chance of this occurring, please follow the steps outlined in the repair procedure.
• 10209728Mar 2, 2022Fuel system, Equipment. Some customers may complain about a tapping or knocking noise coming from the rear seat after fuel fill. The concern will likely occur if the fuel tank is overfilled (more fuel is added after the fuel pump nozzle shuts off automatically) or filled up normally in high ambient temperatures and the fuel expands. No repair is needed. Explain to the customer not to continue filling after nozzle shut off. Refer customer…
• 10209774Mar 1, 2022Fuel system. Some vehicles may exhibit a fuel odor at the left / rear area of the vehicle while the engine is idling that usually occurs when the fuel tank is warmed up in hot weather and/or after long distance driving. Depending on wind direction and/or parking environment, the odor may be more noticeable. The odor may be caused by evaporative gas from the gas outlet vent.
• 10208564Feb 28, 2022Transmission and drivetrain, Suspension. There have been warranty claims submitted for growling or bearing whine noise in differentials, transfer units and transmissions where the source of the noise was a wheel bearing. This misdiagnosis can lead to multiple repair attempts, warranty debits, and additional inconvenience and/or cost to the customer. To reduce the chance of this occurring, please follow the steps outlined in the repair procedure.
• 10208566Feb 25, 2022Electrical system, Equipment. Some vehicles equipped with SiriusXM Travel Link and a Navigation SD Card added by dealer/customer may experience a SiriusXM Travel Link error when selecting Parking Information.

← All problems reported for the 2021 Mazda CX-5