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.
2019 Nissan-Datsun Sentra SLFACTORY OEM SERVICE PROCEDURE
Cruise Control System DTCS
DTC INDEX
| DTC | Description |
|---|---|
| C1A00 | CONTROL UNIT |
| C1A01, C1A02 | POWER SUPPLY CIRCUIT 1, POWER SUPPLY CIRCUIT 2 |
| C1A03 | VEHICLE SPEED SENSOR |
| C1A04 | ABS/TCS/VDC SYSTEM |
| C1A05 | BRAKE SW/STOP LAMP SW |
| C1A06 | OPERATION SW |
| C1A12 | LASER BEAM OFF CENTER |
| C1A14 | ECM |
| C1A15 | GEAR POSITION |
| C1A16 | RADAR BLOCKED OR STAINED |
| C1A17 | ICC SENSOR |
| C1A18 | RADAR AIMING INCMP |
| C1A21 | UNIT HIGH TEMP |
| C1A24 | NP RANGE |
| C1A26 | ECD MODE MALFUNCTION |
| C1A27 | ECD POWER SUPPLY CIRCUIT |
| C1A39 | STEERING ANGLE SENSOR |
| C1B5D | FEB OPE COUNT LIMIT |
| C1A50 | ADAS CONTROL UNIT |
| C10B7 | YAW RATE SENSOR |
| U0121 | VDC CAN 2 |
| U0126 | STRG SEN CAN 1 |
| U0401 | ECM CAN 1 |
| U0415 | VDC CAN 1 |
| U0428 | STRG SEN CAN 2 |
| U1000 | CAN COMM CIRCUIT |
| U1010 | CONTROL UNIT (CAN) |
| C1A07 | CVT |
| U153A | CVT MESSAGE COUNTER FAILURE |
| U153B | CVT CHECK SUM FAILURE |
| C1A0C | ADAS MESSAGE COUNTER FAILURE |
| C1A0D | MRR CAN FAILURE |
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.