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.
2003 Suzuki XL-7 Base, 4WDFACTORY OEM SERVICE PROCEDURE
Body Electrical Control System DTCS
BODY ELECTRICAL CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B1121 | DRL Circuit Malfunction |
| B1131 | Illumination Control Input Circuit Open |
| B1141 | Outside Air Temperature (Ambient Temp.) Sensor Circuit Open, Short to Ground |
| B1142 | Outside Air Temperature (Ambient Temp.) Sensor Circuit Open, Short to Ground |
| B1151 | Driver Side Seat Belt Indicator Circuit Open |
| B1170 | Factory Register Error, Memory Check Sum Error, Memory Write Error |
| B1171 | Factory Register Error, Memory Check Sum Error, Memory Write Error |
| B1172 | Factory Register Error, Memory Check Sum Error, Memory Write Error |
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.