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.
2016 Infiniti QX80 Base, AWDFACTORY OEM SERVICE PROCEDURE
Security Control System DTCS
SECURITY CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC P1610 | LOCK MODE |
| DTC P1611 | IMMOBILIZER CONTROL UNIT (IMMU) AND ECM ID VERIFICATION FAULT |
| DTC P1612 | IMMOBILIZER CONTROL UNIT (IMMU) AND ECM INACTIVE COMMUNICATION |
| DTC P1614 | NATS ANTENNA AMPLIFIER AND BCM INACTIVE COMMUNICATION |
| DTC B2192 | BCM AND ECM ID VERIFICATION FAULT |
| DTC B2193 | BCM AND ECM INACTIVE COMMUNICATION |
| DTC B2195 | BCM AND ECM ID VERIFICATION OUT OF SPEC |
| DTC B2196 | BCM AND DONGLE UNIT ID VERIFICATION FAULT |
| DTC B2198 | NATS ANTENNA AMP AND BCM INACTIVE COMMUNICATION |
| DTC B2555 | STOP LAMP CIRCUIT MALFUNCTION |
| DTC B2556 | PUSH-BUTTON IGNITION SWITCH STUCK ON |
| DTC B2557 | VEHICLE SPEED SIGNAL VARIATION |
| DTC B2601 | P-POSITION SIGNAL / P-RANGE SIGNAL VARIATION |
| DTC B2602 | VEHICLE SPEED VALUE WITH SELECTOR LEVER IN P-POSITION |
| DTC B2603 | SHIFT POSITION STATUS SIGNAL FAULT |
| DTC B2604 | PARK NEUTRAL POSITION / SHIFT POSITION SIGNAL VARIATION |
| DTC B2605 | P/N POSITION SIGNAL MISMATCH |
| DTC B2608 | STARTER MOTOR RELAY SIGNAL MISMATCH |
| DTC B260F | ENGINE STATUS SIGNAL NOT RECEIVED WITH IGNITION SWITCH IN "ON" POSITION |
| DTC B261B | REMOTE ENGINE START OPERATION STATUS FAULT |
| DTC B26F3 | STARTER CONTROL RELAY "OFF" STATUS SIGNAL NOT RECEIVED |
| DTC B26F4 | STARTER CONTROL RELAY "ON" STATUS SIGNAL NOT RECEIVED |
| DTC B26F7 | BCM INSIDE KEY ANTENNA OUTPUT CIRCUIT MALFUNCTION |
| DTC B26F8 | BCM FEEDBACK CIRCUIT SIGNAL AND STARTER CONTROL RELAY CONTROL SIGNAL MISMATCH |
| DTC B26FC | INTELLIGENT KEY REGISTRATION INVALID |
| DTC B26FE | HOOD SWITCH 1 / HOOD SWITCH 2 SIGNAL MISMATCH |
| DTC B210B | STARTER CONTROL RELAY STUCK IN "ON" POSITION |
| DTC B210C | STARTER CONTROL RELAY STUCK IN "OFF" POSITION |
| DTC B210D | STARTER RELAY STUCK IN "ON" POSITION |
| DTC B210E | STARTER RELAY STUCK IN "OFF" POSITION |
| DTC B210F | P/N POSITION SIGNAL MISMATCH (SWITCH ON) |
| DTC B2110 | SHIFT P/N POSITION SIGNAL MISMATCH (SWITCH OFF) |
Factory Service Tools
Use the Manual With the Right Hardware
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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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