# Service bulletin 07\-002\-18\-3432

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10136782
- Published by NHTSA: 2018\-05\-14
- Manufacturer's number: 07\-002\-18\-3432
- Manufacturer's date: 2018\-04\-16
- NHTSA component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

## NHTSA's summary

A musty/mildew type odor may come from the vents when the air conditioning \(A/C\) system is operating. It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/Cevaporator/cooling unit which is caused by condensation, dust, and pollen within the cooling unit. This condition is usually worse during high humidity conditions. "Mazda Air Cooling Coil Coating" is available to encapsulate the mold to reduce odors. If the product is properly applied, it can effectively reduce the musty/mildew odor for up to three years. NOTE: See parts information for Mazda Air Cooling Coil Coating and Kit part numbers. This treatment provides a durable coating that will aid to prevent biological reactions that lead to odorconcerns. It is applied to the evaporator in a misted form that is introduced by way of the cabin air filter, the re\-circulate door, the blower motor resistor access, or the blower motor air intake. Proper application requires the evaporator surface to be: Relatively clean and free of leaves, dust build\-up and debris. Thoroughly dried, and the product cured onto it after application. NOTE: Keep the cooling unit dry by leaving the blower fan ON \(at least on low\), even if the A/C is not being used. In low humidity \(dry\) conditions, keep the ventilation system in the "FRESH" mode all the time, or as much as possible. In high humidity conditions, or if the air has a lot of dust or pollen, keep the system in the "RECIRCULATION" mode. A few minutes before reaching a destination, turn the A/C OFF, but leave the blower fan ON. This stops the accumulation of condensation on the evaporator/cooling unit, and it helps dry the inside of the cooling unit. A/C odor is not unique to Mazda vehicles as it will occur in other makes and models. To minimize A/C odor, suggest the following to the customers.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10136782-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10136782-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Heating and air conditioning

## Vehicles listed

- 1998 to 2002 MAZDA 626
- 2013 to 2018 MAZDA CX\-5
- 2007 to 2012 MAZDA CX\-7
- 2007 to 2018 MAZDA CX\-9
- 2011 to 2014 MAZDA MAZDA2
- 2004 to 2018 MAZDA MAZDA3
- 2006 to 2015 MAZDA MAZDA5
- 2003 to 2018 MAZDA MAZDA6
- 1999 to 2005 MAZDA MIATA
- 1998 to 2002 MAZDA MILLENIA
- 1998 to 2006 MAZDA MPV
- 2006 to 2018 MAZDA MX\-5
- 1998 to 2003 MAZDA PROTEGE
- 2002 to 2003 MAZDA PROTEGE 5

## Recalls for the same vehicles and component

- [04V282000](/recalls/nhtsa/04V282000.md), 2004-06-10: EQUIPMENT:OTHER:LABELS
- [04V109000](/recalls/nhtsa/04V109000.md), 2004-03-09: EQUIPMENT:OTHER:LABELS
- [02V078000](/recalls/nhtsa/02V078000.md), 2002-03-20: EQUIPMENT:OTHER:LABELS
- [00V301000](/recalls/nhtsa/00V301000.md), 2000-10-05: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
- [00V113002](/recalls/nhtsa/00V113002.md), 2000-04-11: EQUIPMENT:OTHER:LABELS
- [00V113001](/recalls/nhtsa/00V113001.md), 2000-04-11: EQUIPMENT:OTHER:LABELS
- [98V243000](/recalls/nhtsa/98V243000.md), 1998-10-02: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

## Other bulletins for the same vehicles and component

- [SA\-027\-24](/bulletins/10254187.md), 2024-05-04, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; UNKNOWN OR OTHER. Some customers may complain about infotainment center display. Peeling, spider cracks and white dots.
- [SA\-008\-24](/bulletins/10251368.md), 2024-03-06, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Use the symptom troubleshooting tables below to diagnose MAZDA CONNECT concerns.
- [01\-007\-23a](/bulletins/10246121.md), 2023-12-05, Service bulletin: EQUIPMENT; 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.
- [SA\-032\-23a](/bulletins/10244679.md), 2023-11-02, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. 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.
- [09\-032\-23](/bulletins/10243551.md), 2023-10-05, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; BACK OVER PREVENTION. SERVICE BULLETIN 09\-031/20 ISSUED ON 09/21/20 IS NO LONGER VALID. IT IS SUPERCEDED BY RECALL 6023G \(“2014\-2018 MAZDA3 AND 2016\-2021 CX\-3 \- REARVIEW IMAGE MAY NOT DISPLAY PROPERLY”\).
- [09\-031\-20b](/bulletins/10240431.md), 2023-08-04, Service bulletin: VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY. Some vehicles may exhibit a distorted image or no image from the rear mount camera when shifted into reverse. Due to friction, the coating of camera socket terminals may wear out, creating high electrical resistance. NOTE: The icons and the messages are displayed normally.
- [09\-031/20a](/bulletins/10240427.md), 2023-08-04, Service bulletin: VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY. Be advised that TSB "09\-031/20 \- REAR MOUNT CAMERA IMAGE NOT CLEAR/NO IMAGE ON SCREEN" is no longer valid and has been superseded by "RECALL 6023G \- 2014\-2018 MAZDA3 AND 2016\-2019 CX\-3 \- REARVIEW IMAGE MAY NOT DISPLAY PROPERLY". Use the link below to view the recall: RECALL 6023G \- 2014\-2018 MAZDA3 AND 2016\-2019 CX\-3 \- REARVIEW IMAGE MAY NOT DISPLAY PROPERLY
- [09\-028\-23](/bulletins/10240399.md), 2023-08-03, Service bulletin: EQUIPMENT:ELECTRICAL. Some CX\-5 and CX\-30 customers may find that the liftgate does not close when pressing the power liftgate \(PLG\) rear switch \(A\) 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.
- [SA\-036\-23](/bulletins/10238697.md), 2023-07-05, Service bulletin: STRUCTURE; EQUIPMENT. Interior parts made of resin have antistatic coating to prevent dust from sticking on the surfaces, and depending on the conditions of use, the antistatic components may crystallize slightly, giving an appearance of white stains on the surface. To remove the stains, wipe the stained surface with a towel soaked with water mixed with a small portion of a neutral detergent. If the white stains reappear again, simply wipe them again in the same way. NOTE: The antistatic effect does not deteriorate with this procedure.
- [SA\-012\-23](/bulletins/10233704.md), 2023-04-04, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY. 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.

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