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 RMZ-4FACTORY 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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