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
DTC Index
WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
DTC INDEX
| DTC | Description |
|---|---|
| DTC P1610 | LOCK MODE |
| DTC P1611 | ID DISCORD, IMMU-ECM |
| DTC P1612 | CHAIN OF ECM-IMMU |
| DTC P1614 | CHAIN OF IMMU-KEY |
| DTC B2192 | ID DISCORD, IMMU-ECM |
| DTC B2193 | CHAIN OF ECM-IMMU |
| DTC B2195 | ANTI-SCANNING |
| DTC B2196 | DONGLE UNIT |
| DTC B2198 | NATS ANTENNA AMP. |
| DTC B2555 | STOP LAMP |
| DTC B2556 | PUSH-BUTTON IGNITION SWITCH |
| DTC B2557 | VEHICLE SPEED |
| DTC B2601 | SHIFT POSITION |
| DTC B2602 | SHIFT POSITION |
| DTC B2603 | SHIFT POSITION |
| DTC B2604 | SHIFT POSITION |
| DTC B2605 | SHIFT POSITION |
| DTC B2608 | STARTER RELAY |
| DTC B260F | ENGINE STATUS |
| DTC B26F3 | STARTER CONTROL RELAY |
| DTC B26F4 | STARTER CONTROL RELAY |
| DTC B26F7 | BCM |
| DTC B26FC | KEY REGISTRATION |
| DTC B210B | STARTER CONTROL RELAY |
| DTC B210C | STARTER CONTROL RELAY |
| DTC B210D | STARTER RELAY |
| DTC B210E | STARTER RELAY |
| DTC B210F | SHIFT POSITION/CLUTCH INTERLOCK SWITCH |
| DTC B2110 | SHIFT POSITION/CLUTCH INTERLOCK SWITCH |
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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