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.
2009 Infiniti M45 BaseFACTORY OEM SERVICE PROCEDURE
Auto Cruise Control System DTCS: ICC
AUTO CRUISE CONTROL SYSTEM (ICC) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC C1A00 | CONTROL UNIT |
| DTC C1A01 | POWER SUPPLY CIR, DTC C1A02: POWER SUPPLY CIR 2 |
| DTC C1A03 | VHCL SPEED SE CIRC |
| DTC C1A04 | ABS/TCS/VDC CIRC |
| DTC C1A05 | BRAKE SW/STOP L SW |
| DTC C1A06 | OPERATION SW CIRC |
| DTC C1A12 | LASER BEAM OFFCNTR |
| DTC C1A13 | STOP LAMP RLY FIX |
| DTC C1A14 | ECM CIRCUIT |
| DTC C1A15 | GEAR POSITION |
| DTC C1A16 | RADAR STAIN |
| DTC C1A18 | LASER AIMING INCMP |
| DTC C1A21 | UNIT HIGH TEMP |
| DTC C1A24 | NP RANGE |
| DTC C1A25 | SHIFT RANGE IND |
| DTC C1A26 | ECD MODE MALF |
| DTC C1A27 | ECD PWR SUPLY CIR |
| DTC C1A33 | CAN TRANSMISSION ERROR |
| DTC C1A34 | COMMAND ERROR |
| DTC U0121 | VDC CAN CIR2 |
| DTC U0401 | ECM CAN CIR1 |
| DTC U0402 | TCM CAN CIR1 |
| DTC U0415 | VDC CAN CIR1 |
| DTC U1000 | CAN COMM CIRCUIT |
| DTC U1010 | CONTROL UNIT (CAN) |
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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