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.
2017 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE
Power Control System (DTCS)
- DTC Index
- DTC/Circuit Diagnosis
- DTC U0122: Can Communication
- DTC U0141: Can Communication
- DTC U1198: Can Communication
- DTC U140F: Can Communication
- DTC P172C: Electronic Ignition Switch Control Unit
- DTC B1A39: Electronic Ignition Switch Control Unit
- DTC B210A: Electronic Ignition Switch Control Unit
- DTC B210B: Electronic Ignition Switch Control Unit
- DTC B210D: Electronic Ignition Switch Control Unit
- DTC B210E: Electronic Ignition Switch Control Unit
- DTC B21DC: Electronic Ignition Switch Control Unit
- DTC B2201: Electronic Ignition Switch Control Unit
- DTC B2224: Electronic Ignition Switch Control Unit
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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