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.
2012 Infiniti EX35 Base, AWDFACTORY OEM SERVICE PROCEDURE
Base Audio Without Navigation
BASE AUDIO WITHOUT NAVIGATION DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description |
|---|---|
| DTC U1000 | CAN COMM CIRCUIT |
| DTC U1010 | CONTROL UNIT (CAN) |
| DTC U1200 | AV CONTROL UNIT |
| DTC U1216 | AV CONTROL UNIT |
| DTC U121D | AV CONTROL UNIT |
| DTC U121E | AV CONTROL UNIT |
| DTC U1225 | AV CONTROL UNIT |
| DTC U1228 | AV CONTROL UNIT |
| DTC U1229 | AV CONTROL UNIT |
| DTC U122A | AV CONTROL UNIT |
| DTC U122E | AV CONTROL UNIT |
| DTC U1232 | STEERING ANGLE SENSOR |
| DTC U1243 | DISPLAY UNIT |
| DTC U1255 | SATELLITE RADIO TUNER |
| DTC U1263 | USB |
| DTC U1300 | AV COMM CIRCUIT |
| DTC U1310 | AV CONTROL UNIT |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.