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.
2021 Nissan-Datsun Sentra SFACTORY OEM SERVICE PROCEDURE
TELEMATICS SYSTEM DTCs
DTC Index
| DTC | Description |
|---|---|
| B2E01 | INTERNAL BATTERY |
| B2E04 | INTERNAL BATTERY |
| B2E05 | AIRBAG CAN |
| B2E08 | MICROPHONE |
| B2E0B | TELEMATICS SWITCH |
| B2E0F | GNSS COMMUNICATIONS FAILURE |
| B2E10 | MIC OUT SIGNAL |
| B2E12 | CONFIGURATION |
| B2E32 | AV CONTROL UNIT |
| B2E34 | TEL ANTENNA |
| B2E35 | GPS ANTENNA |
| B2E49 | REMOTE ACTUATOR |
| B2E4B | REMOTE ACTUATOR |
| B2E4C | REMOTE ACTUATOR |
| B2E4E | REMOTE ACTUATOR |
| B2E4F | BCM PAIRING |
| U0074 | CONTROL MODULE COMM BUS B OFF |
| U0079 | CONTROL MODULE COMM BUS G OFF |
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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