01-012-20-3738

Technical
Service Bulletin
Mazda North American Operations
Irvine, CA 92618-2922
Subject:
CHECK ENGINE LIGHT ON WITH DTCs P2096:00, P2097:00 AND/OR
P0524:00
Bulletin No.: 01-012/20
Last Issued: 09/30/2020
APPLICABLE MODEL(S)/VINS
US (except California) / Canada Spec.(without cylinder deactivation or turbo charger)
2019 CX-3 vehicles with VINs lower than JM1DK******460772 (produced before Sep. 10, 2019)
2018-2019 CX-5 vehicles with VINs between JM3KF******341877 - 689724 (produced from Jan. 9, 2018 Aug. 29, 2019)
2019 MX-5 vehicles with VINs lower than JM1ND******310734 (produced before Aug. 29, 2019)
2019 MX-5 30th SV vehicles with VINs lower than JM1ND******400683 (produced before Aug. 28, 2019)
2019-2020 Mazda3 (Japan built) vehicles with VINs lower than JM1BP******147794 (produced before Jul. 1,
2019)
2019-2020 Mazda3 (Mexico built) vehicles with VINs lower than 3MZBP******115261 (produced before Jul.
1, 2019)
2018 Mazda6 vehicles with VINs lower than JM1GL******336710 (produced before Dec. 21, 2018)
Puerto Rico Spec.:
2019 Mazda2 vehicles with VINs between 3MDDJ******309487 - 316139 (produced from Nov. 1, 2018 Jun. 13, 2019)
NOTE:This service bulletin is not applicable to California spec. vehicles. Refer to ("SSPC0 CALIFORNIA REGISTERED VEHICLES DIAGNOSTIC TROUBLE CODES (DTC) CONCERN")for CA
emissions vehicles registered in California.
DESCRIPTION
Some vehicles may experience the check engine light on with DTCs P2096:00, P2097:00 and/or P0524:00
that cannot be cleared by itself, and the check engine light stays on even if the detection condition has
gone.



P2096:00 - Air fuel too lean
P2097:00 - Air fuel too rich
P0524:00 - Engine oil pressure too low
Page 1 of 5
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2020 Mazda North American Operations, U.S.A.
09/30/2020 5:02 PM tlawrenc
Bulletin No.: 01-012/20
Last Issued: 09/30/2020
This concern may be caused by improper PCM control logic. The PCM software has been modified to
eliminate this concern.
Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
1. Verify the customer concern.
2. If DTCs P2096:00, P2097:00 and/or P0524:00 are stored in PCM memory.
3. Reprogram the PCM according to:


CX-3, CX-5, MX-5 Mazda2 and Mazda6:IDS ECU Reprogramming Procedure
Mazda3: MDARS ECU Reprogramming Procedure
4. Verify the repair.
CALIBRATION INFORMATION
2019 MAZDA2 (Puerto Rico Spec.)
Transmission
File Name
MT
P5G9-188K2-E
AT
P5H1-188K2-E
2019-2020 MAZDA3 (Japan built)
Engine Transmission
MT
2.0L
AT
2.5L
AT
File Name
Note
PAJ2-188K2-H Mitsubishi
PAJ3-188K2-J
Denso
PAH9-188K2-H Mitsubishi
PAJ1-188K2-J
Denso
PXJ7-188K2-C Mitsubishi
PXJ8-188K2-D
Denso
2019-2020 MAZDA3 (Mexico built)
Page 2 of 5
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2020 Mazda North American Operations, U.S.A.
09/30/2020 5:02 PM tlawrenc
Bulletin No.: 01-012/20
Last Issued: 09/30/2020
Engine Transmission
File Name
PAK1-188K2-D Mitsubishi
MT
PAK2-188K2-E
2.0L
Denso
PAJ8-188K2-D Mitsubishi
AT
2.5L
Note
PAJ9-188K2-E
Denso
PXK5-188K2-B Mitsubishi
AT
PXK6-188K2-C
Denso
2018 MAZDA6
Transmission
File Name
MT
PYH1-188K2-K
AT
PYH2-188K2-K
2019 CX-3
Emission Transmission Drive
MT
FED
2WD PAD7-188K2-F
2WD PAD8-188K2-F
AT
4WD PAD9-188K2-F
MT
CALIF
File Name
2WD PA01-188K2-F
2WD PA02-188K2-F
AT
4WD PA03-188K2-F
2018-2019 CX-5
MY Engine Transmission Drive
2018
File Name
Note
PEL1-188K2-F Mitsubishi
2.0L
MT
2WD
2.5L
AT
2WD PYH9-188K2-G Mitsubishi
PEL2-188K2-E
Denso
Page 3 of 5
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2020 Mazda North American Operations, U.S.A.
09/30/2020 5:02 PM tlawrenc
Bulletin No.: 01-012/20
Last Issued: 09/30/2020
PYJ1-188K2-F
4WD
2.0L
MT
2019
2WD
2WD
2.5L
AT
4WD
Denso
PYJ2-188K2-G Mitsubishi
PYJ3-188K2-F
Denso
PAL9-188K2-D Mitsubishi
PAM1-188K2-C
Denso
PX46-188K2-D Mitsubishi
PX47-188K2-C
Denso
PX48-188K2-D Mitsubishi
PX49-188K2-C
Denso
2019 MX-5
Roof
Transmission
File Name
MT
PAD2-188K2-D
AT
PAC6-188K2-D
MT
PAD4-188K2-C
AT
PAD5-188K2-D
Soft top
RHT
NOTE: It is not necessary to order a replacement PCM for this repair procedure.
WARRANTY INFORMATION
NOTE:
• This warranty information applies only to verified customer complaints on vehicles eligible for warranty
repair.
• This repair will be covered under Fed. Emission Warranty (long term).
• Additional diagnostic time cannot be claimed for this repair.
Warranty
Type
A
Symptom
Code
6X
Page 4 of 5
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2020 Mazda North American Operations, U.S.A.
09/30/2020 5:02 PM tlawrenc
Bulletin No.: 01-012/20
Last Issued: 09/30/2020
Damage
Code
9W
Part
Number
Main
Cause
5555-18-881
Quantity
0
Operation
Number /
Labor
Hours:
XXS53XFX / 0.3 Hrs.
NOTE:


After reprogramming, be sure to keep the “Log Viewer” screen shot on M-MDS along with the
repair order and warranty application sheet.
Mazda3 Only: After reprogramming, be sure to keep the screen shot of the ECU FILENAME on MMDS along with the repair order and warranty application sheet.
NOTE:This service bulletin is not applicable to California spec. vehicles. Refer to ("SSPC0 CALIFORNIA REGISTERED VEHICLES DIAGNOSTIC TROUBLE CODES (DTC) CONCERN")for CA
emissions vehicles registered in California.
Page 5 of 5
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2020 Mazda North American Operations, U.S.A.
09/30/2020 5:02 PM tlawrenc