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.
2013 Infiniti M56 BaseFACTORY OEM SERVICE PROCEDURE
Engine Control System - DTCS P1087 To P2542
- DTC P1087, P1088: VVEL System
- DTC P1089, P1092: VVEL Control Shaft Position Sensor
- DTC P1090, P1093: VVEL Actuator Motor
- DTC P1091: VVEL Actuator Motor Relay
- DTC P1148, P1168: Closed Loop Control
- DTC P1197: Out Of Gas
- DTC P1212: TCS Communication Line
- DTC P1217: Engine Over Temperature
- DTC P1220: Fuel Pump Control Module (FPCM)
- DTC P1225, P1234: TP Sensor
- DTC P1226, P1235: TP Sensor
- DTC P1233, P2101: Electric Throttle Control Function
- DTC P1236, P2118: Throttle Control Motor
- DTC P1238, P2119: Electric Throttle Control Actuator
- DTC P1239, P2135: TP Sensor
- DTC P1423, P1424: Cold Start Control
- DTC P1550: Battery Current Sensor
- DTC P1551, P1552: Battery Current Sensor
- DTC P1553: Battery Current Sensor
- DTC P1554: Battery Current Sensor
- DTC P1556, P1557: Battery Temperature Sensor
- DTC P1564: ASCD Steering Switch
- DTC P1564: ICC Steering Switch
- DTC P1568: ICC Function
- DTC P1572: ASCD Brake Switch
- DTC P1572: ICC Brake Switch
- DTC P1574: ASCD Vehicle Speed Sensor
- DTC P1574: ICC Vehicle Speed Sensor
- DTC P1606: VVEL Control Module
- DTC P1607: VVEL Control Module
- DTC P1608: VVEL Sensor Power Supply
- DTC P1715: Input Speed Sensor
- DTC P1805: Brake Switch
- DTC P2096, P2097, P2098, P2099: A/F Sensor 1
- DTC P2100, P2103: Throttle Control Motor Relay
- DTC P2122, P2123: App Sensor
- DTC P2127, P2128: App Sensor
- DTC P2138: App Sensor
- DTC P2539, P2541, P2542: Low Fuel Pressure Sensor
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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