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.
2008 Infiniti G37 BaseFACTORY OEM SERVICE PROCEDURE
Audio, Visual, Navigation System DTCS
AUDIO, VISUAL, NAVIGATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC U1000 | CAN COMM CIRCUIT |
| DTC U1010 | CONTROL UNIT (CAN) |
| DTC U1310 | AV CONTROL UNIT |
| DTC U1200 | AV CONTROL UNIT |
| DTC U1216 | AV CONTROL UNIT |
| DTC U1243 | DISPLAY UNIT |
| DTC U1255 | SATELLITE RADIO TUNER |
| DTC U1300 | AV COMM CIRCUIT |
| DTC U1000 | CAN COMM CIRCUIT |
| DTC U1010 | CONTROL UNIT (CAN) |
| DTC U1310 | AV CONTROL UNIT |
| DTC U1200 | AV CONTROL UNIT |
| DTC U1216 | AV CONTROL UNIT |
| DTC U1243 | DISPLAY UNIT |
| DTC U1255 | SATELLITE RADIO TUNER |
| DTC U1300 | AV COMM CIRCUIT |
| DTC U1000 | CAN COMM CIRCUIT |
| DTC U1010 | CONTROL UNIT (CAN) |
| DTC U1310 | AV CONTROL UNIT |
| DTC U1200 | AV CONTROL UNIT |
| DTC U1201 | AV CONTROL UNIT |
| DTC U1216 | AV CONTROL UNIT |
| DTC U1217 | AV CONTROL UNIT |
| DTC U1218 | AV CONTROL UNIT |
| DTC U1219 | AV CONTROL UNIT |
| DTC U1220 | AV CONTROL UNIT |
| DTC U121A | AV CONTROL UNIT |
| DTC U121B | AV CONTROL UNIT |
| DTC U121C | AV CONTROL UNIT |
| DTC U121D | AV CONTROL UNIT |
| DTC U121E | AV CONTROL UNIT |
| DTC U121F | AV CONTROL UNIT |
| DTC U1204 | GPS |
| DTC U1205 | GPS |
| DTC U1206 | GPS |
| DTC U1207 | GPS |
| DTC U1243 | DISPLAY UNIT |
| DTC U1244 | GPS ANTENNA |
| DTC U1250 | CAMERA CONTROL UNIT |
| DTC U1258 | SATELLITE RADIO ANTENNA |
| DTC U1300 | AV COMM CIRCUIT |
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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