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
Cruise Control System DTCS
CRUISE CONTROL SYSTEM (ICC) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC C1A00 | CONTROL UNIT |
| DTC C1A01 | POWER SUPPLY CIRCUIT 1, DTC C1A02: POWER SUPPLY CIRCUIT 2 |
| DTC C1A03 | VEHICLE SPEED SENSOR |
| DTC C1A04 | ABS/TCS/VDC SYSTEM |
| DTC C1A05 | BRAKE SW/STOP LAMP SW |
| DTC C1A06 | OPERATION SW |
| DTC C1A12 | LASER BEAM OFF CENTER |
| DTC C1A13 | STOP LAMP RELAY |
| DTC C1A14 | ECM |
| DTC C1A15 | GEAR POSITION |
| DTC C1A16 | RADAR STAIN |
| DTC C1A17 | ICC SENSOR |
| DTC C1A18 | LASER AIMING INCMP |
| DTC C1A21 | UNIT HIGH TEMP |
| DTC C1A24 | NP RANGE |
| DTC C1A26 | ECD MODE MALFUNCTION |
| DTC C1A27 | ECD POWER SUPPLY CIRCUIT |
| DTC C1A2A | ICC SENSOR POWER SUPPLY CIRCUIT |
| DTC C1A33 | CAN TRANSMISSION ERROR |
| DTC C1A34 | COMMAND ERROR |
| DTC C1A35 | ACCELERATOR PEDAL ACTUATOR |
| DTC C1A36 | ACCELERATOR PEDAL ACTUATOR CAN COMM |
| DTC C1A37 | ACCELERATOR PEDAL ACTUATOR CAN 2 |
| DTC C1A38 | ACCELERATOR PEDAL ACTUATOR CAN 1 |
| DTC C1A39 | STEERING ANGLE SENSOR |
| DTC C1A40 | SYSTEM SWITCH CIRCUIT |
| DTC C1A50 | ADAS CONTROL UNIT |
| DTC C1F01 | ACCELERATOR PEDAL ACTUATOR |
| DTC C1F02 | ACCELERATOR PEDAL ACTUATOR |
| DTC C1F05 | ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT |
| DTC U0104 | ADAS CAN 1 |
| DTC U0121 | VDC CAN 2 |
| DTC U0126 | STRG SEN CAN 1 |
| DTC U0235 | ICC SENSOR CAN 1 |
| DTC U0401 | ECM CAN 1 |
| DTC U0402 | TCM CAN 1 |
| DTC U0405 | ADAS CAN 2 |
| DTC U0415 | VDC CAN 1 |
| DTC U0428 | STRG SEN CAN 2 |
| DTC U1000 | CAN COMM CIRCUIT |
| DTC U1010 | CONTROL UNIT (CAN) |
| DTC U150B | ECM CAN 3 |
| DTC U150C | VDC CAN 3 |
| DTC U150D | TCM CAN 3 |
| DTC U150E | BCM CAN 3 |
| DTC U1502 | ICC SENSOR CAN COMM CIRC |
| DTC U1513 | METER CAN 3 |
| DTC U1514 | STRG SEN CAN 3 |
| DTC U1515 | ICC SENSOR CAN 3 |
| DTC U1517 | ACCELERATOR PEDAL ACTUATOR CAN 3 |
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.
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