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.
2013 Infiniti M37 BaseFACTORY OEM SERVICE PROCEDURE
Telematics System
AUDIO, VISUAL & NAVIGATION SYSTEM (TELEMATICS SYSTEM) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC U1000 | CAN COMM CIRCUIT |
| DTC U1010 | CONTROL UNIT (CAN) |
| DTC U1A00 | TCU |
| DTC U1A01 | TCU |
| DTC U1A02 | TCU |
| DTC U1A03 | TCU |
| DTC U1A04 | TCU |
| DTC U1A05 | TCU |
| DTC U1A07 | TEL ANTENNA |
| DTC U1A08 | TEL ANTENNA |
| DTC U1A0B | MICROPHONE |
| DTC U1A0C | MICROPHONE |
| DTC U1A0E | TELEMATICS SWITCH |
| DTC U1A0F | TELEMATICS SWITCH |
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.