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.
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HOMESERVICE MANUALSSUZUKI2013SX4 CROSSOVER, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 10 (DATA COMMUNICATION SYSTEM)DIAGNOSTIC INFORMATION & PROCEDURESDTC U0073DTC DESCRIPTORS
2013 Suzuki SX4 Crossover, Automatic CVT Trans
DTC Descriptors
2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION DTC Descriptors
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0073 00 High Speed Communication Bus
DTC U0073 71 Control Module Communication Bus Off Invalid
DTC U0073 72 Control Module Communication Bus Off Alive Counter Incorrect
RENDER: 1.0x
NO RELATED
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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.