Check Engine Light ON with DTC P0300, P0301, P0302, P0303 and/or P0304 – 2012-2015 Mazda

“This site contains affiliate links for which OEMDTC may be compensated”

2012-2013 MAZDA3 AND 2013-2015 CX-5 (SKYACTIV 2.0L) – CHECK ENGINE LIGHT ON WITH DTC P0300:00, P0301:00, P0302:00, P0303:00 AND/OR P0304:00 AND INCREASED ENGINE OIL LEVEL

APPLICABLE MODEL(S)/VINS

2012-2013 Mazda3 (SKYACTIV 2.0L)

2013-2015 CX-5 (SKYACTIV 2.0L A/T) vehicles with VINs lower than JM3KE******554553 (produced before November 21, 2014)

2013-2015 CX-5 (SKYACTIV 2.0L M/T) vehicles with VINs lower than JM3KE******552473 (produced before November 12, 2014)

 

Check Engine Light ON with DTC P0300:00, P0301:00, P0302:00, P0303:00 and/or P0304:00 stored in memory and accompanied with an increased engine oil level.

 

P0300:00: Random misfire detected P0301:00: Cylinder No.1 misfire detected P0302:00: Cylinder No.2 misfire detected P0303:00: Cylinder No.3 misfire detected P0304:00: Cylinder No.4 misfire detected

This is caused by improper control logic of the PCM. In cold weather below 14 °F (-10 °C) with repeated short time operation, excess fuel injected in the cylinders may accumulate in the crank case and result in increased oil level and misfire.

 

REPAIR PROCEDURE

  1. Verify engine oil level is increased and diluted with gasoline.
    • If the oil is diluted with gasoline, go to step 2.
    • If the oil is not diluted with gasoline, this Service Information is not applicable. Perform MS3 online or Workshop Manual Troubleshooting.
  2. Replace the engine oil.

NOTE: Oil filter is not covered under this warranty repair.

  1. Using IDS or Mazda J2534 95.05 or later software, reprogram the PCM to the latest calibration (refer to “Calibration Information” table) by following the “Module Reprogramming” procedure.

NOTE:

  • Always update the IDS tool first, then follow on-screen instructions to download the needed calibration file for PCM reprogramming.
  • It is not necessary to remove any fuses or relays during PCM reprogramming when the IDS screen prompts you to do so. You may accidentally stop power to one of the PCM terminals and cause the PCM to be blanked, or you may receive error messages during the IDS reprogramming procedure.
  • IDS shows the calibration part numbers after programming the PCM.
  • Please be aware that PCM calibration part numbers and file names listed in any Service Bulletin may change due to future releases of IDS software, and additional revisions made to those calibrations for service related concerns.
  • When reprogramming a PCM, IDS will always display the “latest” calibration P/N available for that vehicle. If any calibration has been revised/updated to contain new information for a new service concern/issue, it will also contain all previously released calibrations.
  • Start/Stop button vehicles only: DO NOT press the start/stop button during the reprogramming process.
  • When performing this procedure, we recommend using the “Power Supply” mode in the Battery Management System to keep the vehicle battery up to capacity. If a different charger is used, make sure it does not exceed 20 AMPS. If it exceeds 20 AMPS, it could damage the VCM.
  1. After performing the PCM reprogramming procedure, clear DTCs.
  2. After clearing DTCs, start the engine and confirm that no warning lights stay on.

NOTE:

  • If any DTCs should remain after performing DTC erase, diagnose the DTCs using MS3 online instructions or Workshop Manual section 01-02.
  • After PCM reprogramming, it is no longer necessary to road test the vehicle to “relearn” KAM (Keep Alive Memory).

 

CALIBRATION INFORMATION

Mazda3

Engine Transmission File Name
Calif (PZEV) M/T PUYG-188K2-A
A/T PUYH-188K2
Calif (ULEV) M/T PSZG-188K2-C
A/T PSZH-188K2-C
Fed M/T PSZJ-188K2-C
A/T PSZK-188K2-C

 

2013-15 CX-5

Engine Transmission Drive File Name Memo
Calif M/T 2WD PE01-188K2-M Mitsubishi
PE1G-188K2-L Denso
Fed 2WD PE1C-188K2-M Mitsubishi
PE1L-188K2-L Denso

 

2013 CX-5

Engine Transmission Drive File Name Memo
Calif A/T 2WD PE02-188K2-L Mitsubishi
PE1H-188K2-K Denso
4WD PE1B-188K2-L Mitsubishi
PE1K-188K2-K Denso
Fed 2WD PE1D-188K2-L Mitsubishi
PE1M-188K2-K Denso
4WD PE1F-188K2-L Mitsubishi
PE1P-188K2-K Denso

 

2014-15 CX-5

Engine Transmission Drive File Name Memo
Calif A/T 2WD PUYR-188K2-B Mitsubishi
PUYX-188K2-B Denso
4WD PUYS-188K2-B Mitsubishi
PUYZ-188K2-B Denso
Fed 2WD PUYT-188K2-B Mitsubishi
PUZ0-188K2-B Denso
4WD PUYW-188K2-B Mitsubishi
PUZ1-188K2-B Denso

 

NOTE: It is not necessary to order a PCM part for this repair procedure.

 


 

Approved J2534 Device Check Engine Light ON with DTC P0300, P0301, P0302, P0303 and/or P0304 - 2012-2015 Mazda | small light Check Engine Light ON with DTC P0300, P0301, P0302, P0303 and/or P0304 - 2012-2015 Mazda | small light with Mazda J2534 Software FMP & MMP

Mazda uses a very similar program to FMP, named MMP, MMP allows for reprogramming of PCMs only, no body modules.

The security information is separate from the programming subscription and you must email information to Mazda for the Immobilizer/PATS codes.

Some reflashes require access to TSBs, and they are not included in the programming subscription.

The MMP software covers model year 1996 and newer models for reprogramming.

All 1996 models and up can be reflashed except for Miata. Miata (MX-5) could be reflashed starting in 2006.

  • The application will determine whether or not a new calibration file is available.
  • If you choose to use the new file, the module will be reprogrammed.
  • If PATS functionality is required, it can be chosen from the toolbox.

www.mazdaserviceinfo.com

 

Leave a Comment

Share to...