The OBD code C1143 for Nissan indicates a fault with the Steering Angle Sensor (SAS).
Symptoms include the ABS warning light and engine light being illuminated.
This issue is commonly caused by a faulty SAS, open/shorted SAS harness, or poor electrical connection.
It is crucial to address this problem promptly to ensure safe driving.
A possible fix involves inspecting the SAS wiring harness and connectors for any damage or poor connections.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
Symptoms of the Nissan c1143 OBD Code
The ABS warning light illuminates on the dashboard in vehicles with Nissan fault code C1143.
- Symptoms: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- Possible symptoms include issues with the vehicle’s ABS system, such as loss of traction control.
- It may also affect the vehicle’s stability control system, causing handling issues.
Causes of the Nissan c1143 OBD Code
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Possible reasons for Nissan fault code C1143 include issues with the ABS pressure sensor circuit.
- C1143 can be caused by a faulty Steering Angle Sensor.
- A Steering Angle Sensor harness that is open or shorted.
- A Steering Angle Sensor circuit with poor electrical connection.
Fixing Nissan Error Code c1143 Step By Step
Replace the faulty ABS wheel speed sensor to address Nissan fault code C1143.
- To fix the Nissan OBDII code C1143, start by reviewing the possible causes mentioned above.
- Visually examine the corresponding wiring harness and connectors for any damage.
- Inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Check the wheel speed sensor and its wiring for any issues.
- Test the wheel speed sensor using a multimeter to ensure it is functioning correctly.
- Replace the wheel speed sensor if it is faulty.
- Clear the fault codes using a scan tool and test drive the vehicle to verify the repair.
Cost Of Fixing Nissan c1143 Fault Code
Diagnosing and repairing Nissan C1143 involves inspecting and possibly replacing the ABS pressure sensor.
The cost to diagnose and fix Nissan OBD code C1143 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, affecting the total cost.
Other factors like shop rates and the complexity of the repair can also influence the final price.
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Details of the Nissan c1143 OBD Code
Nissan C1143 pertains to an issue with the ABS pressure sensor circuit.
Nissan OBD code C1143 means a fault has been detected in the ABS pressure sensor circuit on the right front wheel.
This code is triggered by the ABS control module when it detects an issue with the pressure sensor circuit on the right front wheel.
The ABS control module monitors the pressure sensor circuit to ensure proper operation of the ABS system during braking.
Mechanic’s Tech Notes
For Nissan code C1143, check the wheel speed sensor circuit for faults or damage.
To diagnose and fix OBDII code C1143 in a Nissan, start by checking the transmission control module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
If the TCM does not respond, reprogramming or reflashing may be necessary.
Additionally, visually inspect the wiring harness and connectors for any damage, and check connector pins for signs of corrosion, bending, or breakage.
This thorough inspection will help identify and address any issues causing the C1143 fault code.
FAQ
OBD code C1143 in a Nissan means an issue with the Steering Angle Sensor. Check sensor, harness, and connections for faults to resolve ABS and Engine warning lights.
Common symptoms of OBD code C1143 in a Nissan include ABS warning light on, engine light on, caused by faulty steering angle sensor or related wiring issues.
Diagnose OBD code C1143 in Nissan: Symptoms ABS & Engine Light ON. Causes Faulty Steering Angle Sensor or wiring issues. Fix Inspect sensor, harness, connectors for damage.
Wrap Up
If your Nissan is displaying OBD code C1143, you may experience issues with the ABS system, such as erratic braking behavior, ABS warning light on, or decreased braking performance.
This code typically indicates a fault with the ABS hydraulic unit pressure sensor circuit, possibly caused by damaged wiring, a faulty sensor, or poor electrical connections.
To address Nissan OBD code C1143, start by inspecting the wiring harness and connectors related to the ABS hydraulic unit pressure sensor.
Check for any signs of damage, corrosion, or loose connections.
Test the sensor for proper operation and replace it if necessary.
