Campaign MSP39 - ECM Update For MIL ON, DTC P0126:00
Bulletin No: 01-010/13Last Issued: 03/01/2013
Subject:
MAZDA SERVICE PROGRAM (M5P39) - MIL ILLUMINATION WITH DTC P0126:00
APPLICABLE MODEL(S)/VINS
2013-2014 CX-5 vehicles equipped with an automatic transmission and produced from September 7, 2012 through February 23, 2013
^ VIN Range (2013MY): JM3KE****DO 148076 - 169134
^ VIN Range (2014MY): JM3KE****E0 300040 - 325552
2014 Mazda6 vehicles produced from October 25, 2012 through February 23, 2013
^ VIN Range: JM1 GJ1*5* E1 100027 - 112768
DESCRIPTION
On certain subject vehicles, the malfunction indicator light (MIL) may illuminate with DTC P0126:00 (thermostat stuck open) stored in the powertrain control module (PCM) memory. The thermostat functions normally, but the "thermostat stuck open" condition is mistakenly detected due to inappropriate PCM software.
This concern will occur under the following conditions:
^ When driving on highways/freeways immediately after a cold start
^ When the ambient temperature is 14 to 32 degrees F (-10 to 0 degrees C)
^ When operating the HVAC system in the maximum airflow mode
NOTE:
^ UNDER THE MAZDA SERVICE PROGRAM (MSP39), ALL CURRENT DEALER INVENTORY AND RETAILED VEHICLES FOUND TO BE WITHIN THE ABOVE VIN RANGES AND PRODUCTION DATE RANGES MUST BE REPAIRED ACCORDING TO THE INSTRUCTIONS CONTAINED IN THIS SERVICE BULLETIN.
^ BEFORE PERFORMING ANY REPAIR, VALIDATE THAT THE VEHICLE IS APPLICABLE TO THIS PROGRAM BY PERFORMING AN "eMDCS WARRANTY VEHICLE INQUIRY" AND VERIFYING THE VEHICLE DISPLAYS CAMPAIGN "M5P39" AND ITS CAMPAIGN STATUS DISPLAYS "OPEN". SEE VEHICLE "INSPECTION PROCEDURE".
DEALER INVENTORY:
Repair all applicable vehicles currently in dealer inventory according to the procedures contained in this service bulletin.
RETAIL VEHICLES:
When an applicable retail vehicle is brought into the dealer for any type of repair or scheduled maintenance, perform an eMDCS Warranty Vehicle Inspection and check the status of M5P39. If status of M5P39 is "OPEN" repair the vehicle according to the procedures contained in this service bulletin.
VEHICLE INSPECTION PROCEDURE
1. Verify the vehicle is within the following VIN and production date ranges:
2013-2014 CX-5 vehicles equipped with an automatic transmission and produced from September 7, 2012 through February 23, 2013
^ VIN Range (2013MY): JM3KE****D0 148076 - 169134
^ VIN Range (2014MY): JM3KE****E0 300040 - 325552
2014 Mazda6 vehicles produced from October 25, 2012 through February 23, 2013
^ VIN Range: JM1 GJ1*5*E1 100027-112768
- If the vehicle is within the above VIN and production date ranges, proceed to Step 2.
- If the vehicle is not within the above VIN and production date ranges, return the vehicle to the customer or inventory.
2. Perform a Warranty Vehicle Inquiry using your eMDCS System. Refer to eMDCS System - Warranty Vehicle Inquiry Results table.
eMDCS System - Warranty Vehicle Inquiry Results
REPAIR PROCEDURE
1. Reboot the IDS to clear memory before reprogramming.
2. Using IDS 83.04 for IDS version 83 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.
^ On some models, the meter illumination goes out during PCM reprogramming.This is a normal condition.
^ 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.
3. After performing the PCM reprogramming procedure, verify the repair by starting the engine and making sure there are no MIL illumination or abnormal warning lights present.
NOTE:
^ If any DTCs should remain after performing DTC erase, diagnose the DTCs using MS3 online instructions or Workshop Manual.
^ After PCM reprogramming, it is no longer necessary to road test the vehicle to "relearn" KAM (Keep Alive Memory).
CALIBRATION INFORMATION
IMPORTANT:
Use IDS 83.04 for IDS version 83 or later software.
2014 Mazda6 With 2.5L Engine:
2013-2014 CX-5 With Automatic Transmission:
WARRANTY INFORMATION
Disclaimer