01-004-17-3317a

Technical
Service Bulletin
Mazda North American Operations
Irvine, CA 92618-2922
Subject:
ENGINE RUNS ROUGH AND CHECK ENGINE LIGHT ON WITH DTCS
P0201 AND P0204 OR P0202 AND P0203
Bulletin No.: 01-004/17
Last Issued: 07/05/2017
BULLETIN NOTES
This bulletin supersedes the previously issued bulletin(s) listed below: The changes are noted in Red.
Previously issued TSBs: Date issued
01-004/17
02/21/2017
01-017/16
08/26/2016
DESCRIPTION
APPLICABLE MODEL(S)/VINS
2016-17 CX-3 vehicles with VINs lower than JM1DK******146490 (produced before June 16, 2016)
2013-16 CX-5 vehicles (Japan built) with VINs lower than JM3KE******820183 (produced before May 23,
2016)
2016-17 Mazda2 vehicles (Mexico/Puerto Rico) with VINs lower than 3MDDJ******109542 (produced before
November 14, 2016)
2014-16 Mazda3 vehicles (Japan built) with VINs lower than JM1BM******352403 (produced before May 23,
2016)
2014-16 Mazda3 vehicles (Mexico built) with VINs lower than 3MZBM******330109 (produced before
August 29, 2016)
2014-16 Mazda6 vehicles (Japan built) with VINs lower than JM1GJ******484154 (produced before May 23,
2016)
DESCRIPTION
Some vehicles may experience an engine that runs rough and the check engine light on with DTCs P0201
and P0204 or P0202 and P0203.
NOTE: Engine misfire related DTCs (P0301, P0302, P0303, P0304) are usually stored at the same time.
P0201:00 : Fuel injector circuit/open cylinder No.1
P0202:00 : Fuel injector circuit/open cylinder No.2
Page 1 of 3
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.
© 2017 Mazda North American Operations, U.S.A.
Bulletin No.: 01-004/17
Last Issued: 07/05/2017
P0203:00 : Fuel injector circuit/open cylinder No.3
P0204:00 : Fuel injector circuit/open cylinder No.4
This concern may be caused by an internal failure of the PCM (DENSO produced only). To correct the
concern, the PCM internal failure has been eliminated.
Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
1. Verify customer concern.


The engine runs rough.
The check engine light is on with DTCs P0201:00 and P0204:00 or P0202:00 and P0203.
2. Check if the PCM is “DENSO” produced. Inspect the PCM label (A) and check the 4-digit code (B) to
confirm this code matches with the first 4 digits of DENSO PRODUCED PCM part numbers specified in the
GEPC.
Label with 4 digit code (B)
DENSO




MITSUBISHI
CX-5: PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5]
Mazda3: PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5]
Mazda6: PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.5]
If the PCM is “DENSO”, replace the PCM according to the instructions on MS3 online.
Note:PCM unit replacement requires Major Assembly Service Hotline (MASH) authorization prior to
Page 2 of 3
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.
© 2017 Mazda North American Operations, U.S.A.
Bulletin No.: 01-004/17

Last Issued: 07/05/2017
repairs. Obtain a Hotline Control Number (HCN), then contact MASH at 888 832-8477, option 2, to
obtain authorization.
If the PCM is NOT “DENSO”, this TSB is not applicable. Perform diagnosis for other concerns
according to the instructions on MS3 online.
3. Verify repair.
PARTS INFORMATION
Part Number Description Qty.
****-18-881*
PCM
Notes
DENSO
1
Requires MASH authorization
NOTE: The PCM part numbers have not been changed by this mass-production change. Check the GEPC
for the latest PCM part number applicable to the VIN and place the part order accordingly.
WARRANTY INFORMATION
NOTE:




This warranty information applies only to verified customer complaints on vehicles eligible for
warranty repair.
This repair will be covered under Federal Emission Warranty or PZEV Warranty, where applicable.
PCM unit replacement requires MASH authorization prior to repairs. Obtain aHotline Control
Number (HCN),thencontact MASH at 888 832-8477, option 2, to obtain prior authorization.
Additional diagnostic time cannot be claimed for this repair.
Warranty Type
Symptom Code
Damage Code
Part Number Main Cause
Qty.
Operation Number / Labor
Hours:
A
6X
9W
****-18-881* (Enter the latest PCM part number applicable to the vehicle
in repair.)
1
XXM65ARX / 0.3 Hrs. (PCM Cover with standard bolts/nuts)
Page 3 of 3
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.
© 2017 Mazda North American Operations, U.S.A.