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 G25 BaseFACTORY OEM SERVICE PROCEDURE
DTC Index
WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The details of time display are as follows.
- CRNT: A malfunction is detected now.
- PAST: A malfunction was detected in the past.
IGN counter is displayed on Freeze Frame Data. For details of Freeze Frame Data, refer to "COMMON ITEM : CONSULT-III FUNCTION (BCM - COMMON ITEM) ".
FAIL-SAFE CHART
| CONSULT display | Fail-safe | Freeze Frame Data
|
Intelligent Key warning lamp ON | Tire pressure monitor warning lamp ON | Reference Information | ||
|---|---|---|---|---|---|---|---|
| No DTC is detected. further testing may be required. |
- | - | - | - | - | ||
| U1000: CAN COMM CIRCUIT | - | - | - | - | U1000 CAN COMM | ||
| U1010: CONTROL UNIT (CAN) | - | - | - | - | U1010 CONTROL UNIT (CAN) | ||
| U0415: VEHICLE SPEED SIG | - | - | - | - | U0415 VEHICLE SPEED SIG | ||
| B2013: ID DISCORD BCM-S/L(1) | x | x | - | - | B2013 ID DISCORD, IMMU-STRG | ||
| B2014: CHAIN OF S/L-BCM(1) | x | x | - | - | B2014 CHAIN OF STRG-IMMU | ||
| B2190: NATS ANTENNA AMP | x | - | - | - | B2190 NATS ANTENNA AMP | ||
| B2191: DIFFERENCE OF KEY | x | - | - | - | B2191 DIFFERENCE OF KEY | ||
| B2192: ID DISCORD BCM-ECM | x | - | - | - | B2192 ID DISCORD, IMMU-ECM | ||
| B2193: CHAIN OF BCM-ECM | x | - | - | - | B2193 CHAIN OF ECM-IMMU | ||
| B2195: ANTI SCANNING | x | - | - | - | B2195 ANTI-SCANNING | ||
| B2553: IGNITION RELAY | - | x | - | - | B2553 IGNITION RELAY | ||
| B2555: STOP LAMP | - | x | - | - | B2555 STOP LAMP | ||
| B2556: PUSH-BTN IGN SW | - | x | x | - | B2556 PUSH-BUTTON IGNITION SWITCH | ||
| B2557: VEHICLE SPEED | x | x | x | - | B2557 VEHICLE SPEED | ||
| B2560: STARTER CONT RELAY | x | x | x | - | B2560 STARTER CONTROL RELAY | ||
| B2562: LOW VOLTAGE | - | x | - | - | B2562 LOW VOLTAGE | ||
| B2601: SHIFT POSITION | x | x | x | - | B2601 SHIFT POSITION | ||
| B2602: SHIFT POSITION | x | x | x | - | B2602 SHIFT POSITION | ||
| B2603: SHIFT POSI STATUS | x | x | x | - | B2603 SHIFT POSITION STATUS | ||
| B2604: PNP SW | x | x | x | - | B2604 PNP SWITCH | ||
| B2605: PNP SW | x | x | x | - | B2605 PNP SWITCH | ||
| B2606: S/L RELAY(1) | x | x | x | - | B2606 STEERING LOCK RELAY | ||
| B2607: S/L RELAY(1) | x | x | x | - | B2607 STEERING LOCK RELAY | ||
| B2608: STARTER RELAY | x | x | x | - | B2608 STARTER RELAY | ||
| B2609: S/L STATUS(1) | x | x | x | - | B2609 STEERING STATUS | ||
| B260A: IGNITION RELAY | x | x | x | - | B260A IGNITION RELAY | ||
| B260B: STEERING LOCK UNIT(1) | - | x | x | - | B260B STEERING LOCK UNIT | ||
| B260C: STEERING LOCK UNIT(1) | - | x | x | - | B260C STEERING LOCK UNIT | ||
| B260D: STEERING LOCK UNIT(1) | - | x | x | - | B260D STEERING LOCK UNIT | ||
| B260F: ENG STATE SIG LOST | x | x | x | - | B260F ENGINE STATUS | ||
| B2612: S/L STATUS(1) | x | x | x | - | B2612 STEERING STATUS | ||
| B2614: ACC RELAY CIRC | - | x | x | - | B2614 ACC RELAY CIRCUIT | ||
| B2615: BLOWER RELAY CIRC | - | x | x | - | B2615 BLOWER RELAY CIRCUIT | ||
| B2616: IGN RELAY CIRC | - | x | x | - | B2616 IGNITION RELAY CIRCUIT | ||
| B2617: STARTER RELAY CIRC | x | x | x | - | B2617 STARTER RELAY CIRCUIT | ||
| B2618: BCM | x | x | x | - | B2618 BCM | ||
| B2619: BCM(1) | x | x | x | - | B2619 BCM | ||
| B261A: PUSH-BTN IGN SW | - | x | x | - | B261A PUSH-BUTTON IGNITION SWITCH | ||
| B261E: VEHICLE TYPE | x | x | x (Turn ON for 15 seconds) | - | B261E VEHICLE TYPE | ||
| B2621: INSIDE ANTENNA | - | x | - | - | B2621 INSIDE ANTENNA | ||
| B2622: INSIDE ANTENNA | - | x | - | - | |||
| B2623: INSIDE ANTENNA | - | x | - | - | |||
| B26E8: CLUTCH SW | x | x | x | - | B26E8 CLUTCH INTERLOCK SWITCH | ||
| B26E9: S/L STATUS(1) | x | x | x (Turn ON for 15 seconds) | - | B26E9 STEERING STATUS | ||
| B26EA: KEY REGISTRATION | - | x | x (Turn ON for 15 seconds) | - | B26EA KEY REGISTRATION | ||
| C1704: LOW PRESSURE FL | - | - | - | x | C1704, C1705, C1706, C1707 LOW TIRE PRESSURE | ||
| C1705: LOW PRESSURE FR | - | - | - | x | |||
| C1706: LOW PRESSURE RR | - | - | - | x | |||
| C1707: LOW PRESSURE RL | - | - | - | x | |||
| C1708: [NO DATA] FL | - | - | - | x | C1708, C1709, C1710, C1711 TRANSMITTER | ||
| C1709: [NO DATA] FR | - | - | - | x | |||
| C1710: [NO DATA] RR | - | - | - | x | |||
| C1711: [NO DATA] RL | - | - | - | x | |||
| C1716: [PRESSDATA ERR] FL | - | - | - | x | C1716, C1717, C1718, C1719 TRANSMITTER | ||
| C1717: [PRESSDATA ERR] FR | - | - | - | x | |||
| C1718: [PRESSDATA ERR] RR | - | - | - | x | |||
| C1719: [PRESSDATA ERR] RL | - | - | - | x | |||
| C1729: VHCL SPEED SIG ERR | - | - | - | x | C1729 VEHICLE SPEED SIGNAL | ||
| C1734: CONTROL UNIT | - | - | - | x | C1734 BCM | ||
|
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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.