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 Suzuki Equator BaseFACTORY OEM SERVICE PROCEDURE
Transfer (4WD System) DTCS
TRANSFER (4WD SYSTEM) DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC P1801 & DTC P1811 | Power Supply Circuit for Transfer Control Unit |
| DTC P1802, DTC P1803, DTC P1804 & DTC P1809 | Transfer Control Unit |
| DTC P1807 | Vehicle Speed Sensor (A/T) |
| DTC P1808 | Vehicle Speed Sensor (ABS) |
| DTC P1810 | 4 LO Switch |
| DTC P1813 | 4WD Shift Switch |
| DTC P1814 | Wait Detection Switch |
| DTC P1816 | PNP Switch (A/T) |
| DTC P1816 | PNP Switch (M/T) |
| DTC P1817 | Actuator Motor |
| DTC P1818 | Actuator Position Switch |
| DTC P1819 | Transfer Control Device |
| DTC P1820 | Engine Speed Signal |
| DTC U1010 | Control Unit (CAN) |
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.
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