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.
2011 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Index For DTC: U0101-U1001
DTC ITEM CHART
| DTC(1) | Items (CONSULT-III screen terms) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CONSULT-III GST(2) | ECM(3) | |||||||||
| U0101 | 0101(4) | LOST COMM (TCM) | ||||||||
| U0140 | 0140(4) | LOST COMM (BCM) | ||||||||
| U1001 | 1001(4) | CAN COMM CIRCUIT | ||||||||
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Factory Service Tools
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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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