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 M37 BaseFACTORY OEM SERVICE PROCEDURE
Seat Belt Control System DTCS
SEAT BELT CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| 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
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
