2017 Nissan-Datsun Versa Note SRFACTORY OEM SERVICE PROCEDURE

System Description: System: Fail-Safe

BCM performs fail-safe control when the following DTCs are detected.

CONSULT Display Fail - safe Cancellation
B2192: ID DISCORD BCM-ECM Inhibit engine cranking Erase DTC
B2193: CHAIN OF BCM-ECM Inhibit engine cranking Erase DTC
B2195: ANTI SCANNING Inhibit engine cranking Ignition switch ON → OFF
B2196: DONGLE NG Inhibit engine cranking Erase DTC
B2198: NATS ANTENNA AMP Inhibit engine cranking Erase DTC
B2557: VEHICLE SPEED - When the following CAN signal status (vehicle speed signal) becomes consistent
  • Vehicle speed signal (ABS)
  • Vehicle speed signal (Meter)
B2601: SHIFT P SIGNAL - 500 ms after the following signal reception status becomes consistent
  • Park position switch signal
  • P range signal (CAN)
B2602: SHIFT P DIAG - 5 seconds after the following BCM recognition conditions are fulfilled
  • Ignition switch is in the ON position
  • Park position switch signal: P position (push selector button) or except P position (9 - 16 V)
  • Vehicle speed: 4 km/h (2.5 MPH) or more
B2603: SHIFT POSITION - 500 ms after any of the following BCM recognition conditions are fulfilled
  • Status 1
    • Ignition switch is in the ON position
    • Park position switch signal: P position (push selector button) or except P position (9 - 16 V)
    • P/N position signal: Except P and N positions (0 - 1.5 V)
  • Status 2
    • Ignition switch is in the ON position
    • Park position switch signal: P position (release selector button) (0 - 1.5 V)
    • P/N position signal: P or N positions (9 - 16 V)
B2604: SHIFT PN DIAG CAN - 500 ms after any of the following BCM recognition conditions are fulfilled
  • Status 1
    • Ignition switch is in the ON position
    • P/N position signal: P or N position (9 - 16 V)
    • Shift position signal (CAN): P or N position
  • Status 2
    • Ignition switch is in the ON position
    • P/N position signal: Except P and N positions (0 - 1.5 V)
    • Shift position signal (CAN): Except P and N position
B2605: SHIFT PN DIAG IPDM - 500 ms after any of the following BCM recognition conditions are fulfilled
  • Status 1
    • Ignition switch is in the ON position
    • P/N position signal: Except P and N positions (0 - 1.5 V)
  • Status 2
    • Ignition switch is in the ON position
    • P/N position signal: P or N position (9 - 16 V)
B2608: STARTER RELAY Inhibit engine cranking 500 ms after the following signal communication status becomes consistent
  • Starter motor relay control signal
  • Starter relay status signal (CAN)
B260F: ECM CAN COMM Inhibit engine cranking When any of the following conditions are fulfilled
  • Ignition switch changes to ACC
  • Receives engine status signal (CAN)
B26F1: IGN RELAY OFF Inhibit engine cranking When the following conditions are fulfilled
  • Ignition switch ON signal (CAN: Transmitted from BCM): ON
  • Ignition switch ON signal (CAN: Transmitted from IPDM E/R): ON
B26F2: IGN RELAY ON Inhibit engine cranking When the following conditions are fulfilled
  • Ignition switch ON signal (CAN: Transmitted from BCM): OFF
  • Ignition switch ON signal (CAN: Transmitted from IPDM E/R): OFF
B26F3: START CONT RLY ON Inhibit engine cranking When the following conditions are fulfilled
  • Starter control relay signal (CAN: Transmitted from BCM): OFF
  • Starter control relay signal (CAN: Transmitted from IPDM E/R): OFF
B26F4: START CONT RLY OFF Inhibit engine cranking When the following conditions are fulfilled
  • Starter control relay signal (CAN: Transmitted from BCM): ON
  • Starter control relay signal (CAN: Transmitted from IPDM E/R): ON
B26F7: BCM Inhibit engine cranking by Intelligent Key system When room antenna and luggage room antenna functions normally
U0415: VDC CAN CIR2 - When vehicle speed signal (Meter) (CAN) is received normally
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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.