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

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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.