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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 226 (ANTI-LOCK BRAKE SYSTEM)DIAGNOSTIC TESTSDTC C1249/ 49: STOPLIGHT SWITCHDTC DETECTION CONDITION
2004 Toyota Matrix XR, FWD, Standard
DTC Detection Condition
2004 Toyota Matrix XR, FWD, StandardSECTION DTC Detection Condition
WARNING: This page is about a different car, the 2003 Toyota Tundra, 2002 Toyota Tundra, and 2001 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
Detection of the following condition may set DTC C1249/ 49:
- Voltage at ABS ECU terminal STP is 1.5-4.0 volts and continues for 0.3 seconds or more when ignition switch is on and stoplight switch is on.
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.