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 SX4 BaseFACTORY OEM SERVICE PROCEDURE
Body Electrical Control System DTCS
BODY ELECTRICAL CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B1133 | Battery voltage too high |
| B1141 | Outside air temperature (ambient temperature) sensor circuit open |
| B1142 | Outside air temperature (ambient temperature) sensor circuit short to ground |
| B1150 | Air bag communication circuit malfunction |
| B1157 | Air bag deployment signal input |
| B1170 | EEPROM access error |
| U0073 | Control module communication bus off |
| U0100 | Lost communication with ECM |
| U0101 | Lost communication with TCM |
| U0144 | Lost communication with keyless start control module |
| U0151 | Lost communication with restraints start control module |
| U0155 | Lost communication with instrument panel cluster (IPC) control module |
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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