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.
2021 Toyota Sequoia TRD ProFACTORY OEM SERVICE PROCEDURE
Cruise Control System
CRUISE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2015 - 08//2017]
| DTC Code | Description |
|---|---|
| C1267 | Brake Pedal Load Sensing Switch |
| P0500 | Vehicle Speed Sensor Malfunction |
| P0503 | Vehicle Speed Sensor Circuit Malfunction |
| P0571 | Brake Switch "A" Circuit |
| P0575 | Cruise Control Input Circuit |
CRUISE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2017 - 08/2019]
| DTC Code | Description |
|---|---|
| P0571 | Brake Switch "A" Circuit |
| P0575 | Cruise Control Input Circuit |
| P1578 | Brake System Malfunction |
| U0122 | Lost Communication with Vehicle Dynamics Control Module |
CRUISE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2019 - ]
| DTC Code | Description |
|---|---|
| P0571 | Brake Switch "A" Circuit |
| P0575 | Cruise Control Input Circuit |
| P1578 | Brake System Malfunction |
| U0122 | Lost Communication with Vehicle Dynamics Control Module |
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.