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.
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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 645 (ON-BOARD DIAGNOSTIC [IMMOBILIZER SYSTEM))
2008 Mazda 6 s Sport, 4D Hatchback, Standard
Section 645 (On-Board Diagnostic [Immobilizer System))
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Section 645 (On-Board Diagnostic [Immobilizer System))
WARNING: This page is about a different car, the 2008 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
- Foreword
- DTC Inspection (Immobilizer System)
- DTC Table (Immobilizer System)
- PID/Data Monitor Inspection (Immobilizer System)
- PID/Data Monitor Table
- Security Light: 11, DTC B1681/P1260
- Security Light: 12, DTC B2103/P1260
- Security Light: 13, DTC B1600/P1260
- Security Light: 13, DTC B2431/P1260
- Security Light: 14, DTC B1602/P1260
- Security Light: 15, DTC B1601/P1260
- Security Light: 16, DTC U2510/P1260, U1147/P1260
- Security Light: 21, DTC B1213/P1260
- Security Light: 22, DTC B2141/P1260
- Security Light: 23, DTC B2139/P1260
- DTC B1342 (Keyless Control Module)
RENDER: 1.0x
NO RELATED
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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.