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.
2012 Toyota Matrix Base, Automatic TransFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
If a trouble code is displayed during the DTC check, check the trouble areas listed for that code in the table below and proceed to the appropriate service information.
CRUISE CONTROL SYSTEM
| DTC Code | Detection Item | Trouble Area | See procedure |
|---|---|---|---|
| P0500 | Vehicle Speed Sensor Malfunction | - Open or short in speed signal circuit - Combination meter assembly - Vehicle speed sensor - ECM |
Refer to DTC P0500: Vehicle Speed Sensor Malfunction; DTC P0503: Vehicle Speed Sensor "A" Intermittent / Erratic / High |
| P0503 | Vehicle Speed Sensor "A" Intermittent / Erratic / High | - Open or short in speed signal circuit - Combination meter assembly - Vehicle speed sensor - ECM |
Refer to DTC P0500: Vehicle Speed Sensor Malfunction; DTC P0503: Vehicle Speed Sensor "A" Intermittent / Erratic / High |
| P0571 | Brake Switch "A" Circuit | - Stop light switch assembly - Stop light switch circuit - ECM |
Refer to DTC P0571: Brake Switch "A" Circuit |
| P0575 | Cruise Control Input Circuit | ECM | Refer to DTC P0575: Cruise Control Input Circuit |
Factory Service Tools
Use the Manual With the Right Hardware
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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.