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 M56 BaseFACTORY OEM SERVICE PROCEDURE
DTC Index
DTC INDEX
| DTC | Description |
|---|---|
| DTC U1000 | CAN COMM CIRCUIT |
| DTC U0126 | ST ANG SEN SIG |
| DTC U0428 | STRG ANGL CAL |
| DTC B2451 | SEAT BLT MTR DR CIRC |
| DTC B2452 | SEAT BLT MTR AS CIRC |
| DTC B2453 | BR STROKE SEN CIRC |
| DTC B2454 | SEAT BLT PWR DR CIRC |
| DTC B2455 | CONTROL UNIT DR |
| DTC B2456 | SEAT BLT PWR AS |
| DTC B2457 | CONTROL UNIT AS |
| DTC B2458 | LOCAL COMM |
| DTC B2461 | VHCL SPEED SIGNAL |
| DTC B2466 | DR/AS CONTROL UNIT |
| DTC B2470 | SYS HEAT PROTC DR |
| DTC B2471 | SYS HEAT PROTC AS |
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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