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 Nissan-Datsun Altima BaseFACTORY OEM SERVICE PROCEDURE
Brake Control System (Abs) DTCS: Abs
BRAKE CONTROL SYSTEM (ABS) DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC C1101, C1102, C1103, C1104 | WHEEL SENSOR-1 |
| DTC C1105, C1106, C1107, C1108 | WHEEL SENSOR-2 |
| DTC C1109 | BATTERY VOLTAGE [ABNORMAL] |
| DTC C1110 | CONTROL FAILURE |
| DTC C1111 | PUMP MOTOR |
| DTC C1114 | MAIN RELAY |
| DTC C1115 | ABS SENSOR [ABNORMAL SIGNAL] |
| DTC C1120, C1122, C1124, C1126 | IN ABS SOL |
| DTC C1121, C1123, C1125, C1127 | OUT ABS SOL |
| DTC U1000 | CAN COMM CIRCUIT |
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.