Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2013 Mazda 6 L4-2.5LFACTORY OEM SERVICE PROCEDURE
Engine Controls - MIL ON/DTC P0600:00 Set
Bulletin No: 01-022/12
Last Issued: 07/17/2012
Subject:
MIL ILLUMINATION WITH DTC P0600:00
APPLICABLE MODEL(S)/VINS
2011-2013 Mazda6 2.5L vehicles with VINS lower than 1YVHZ****D5M07793 (produced before June 18, 2012)
DESCRIPTION
Some vehicles may experience a MIL illumination with a DTC P0600:00 stored in memory. As a result, the customer may also notice a loss of engine power while driving due to engine fail-safe mode initiation.
^ DTC P0600:00: Serial communication link
The MIL illumination may be cleared by disconnecting the negative battery cable, however, the DTC P0600:00 remains stored in memory.
This concern may be caused by improper PCM control logic of PCM, which has been changed. Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
1. Verify the customer concern.
2. Replace the PCM with modified part according to the instructions on M53 online or the Workshop Manual (section 01-14 PCM REMOVAL/INSTALLATION [MZR 2.5]).
NOTE:
PCM replacement requires MASH authorization prior to repair. Contact MASH at 888832-8477, option 2, to obtain prior authorization.
3. After PCM replacement, perform the following:
- PCM configuration (section 01-14 PCM CONFIGURATION [MZR 2.5]).
- Immobilizer system component replacement / key addition and clearing (section 09-14 IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM] or IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]).
4. Verify the repair.
PART(S) INFORMATION
NOTE:
PCM replacement requires MASH authorization prior to repair. Contact MASH at 888 832-8477, option 2, to obtain prior authorization.
WARRANTY INFORMATION
Last Issued: 07/17/2012
Subject:
MIL ILLUMINATION WITH DTC P0600:00
APPLICABLE MODEL(S)/VINS
2011-2013 Mazda6 2.5L vehicles with VINS lower than 1YVHZ****D5M07793 (produced before June 18, 2012)
DESCRIPTION
Some vehicles may experience a MIL illumination with a DTC P0600:00 stored in memory. As a result, the customer may also notice a loss of engine power while driving due to engine fail-safe mode initiation.
^ DTC P0600:00: Serial communication link
The MIL illumination may be cleared by disconnecting the negative battery cable, however, the DTC P0600:00 remains stored in memory.
This concern may be caused by improper PCM control logic of PCM, which has been changed. Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
1. Verify the customer concern.
2. Replace the PCM with modified part according to the instructions on M53 online or the Workshop Manual (section 01-14 PCM REMOVAL/INSTALLATION [MZR 2.5]).
NOTE:
PCM replacement requires MASH authorization prior to repair. Contact MASH at 888832-8477, option 2, to obtain prior authorization.
3. After PCM replacement, perform the following:
- PCM configuration (section 01-14 PCM CONFIGURATION [MZR 2.5]).
- Immobilizer system component replacement / key addition and clearing (section 09-14 IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM] or IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]).
4. Verify the repair.
PART(S) INFORMATION
NOTE:
PCM replacement requires MASH authorization prior to repair. Contact MASH at 888 832-8477, option 2, to obtain prior authorization.
WARRANTY INFORMATION
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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