OBD code C1145 indicates a fault with the Right Front Wheel Speed Sensor in the AntiLock Brake System (ABS).
Symptoms include the ABS Warning Light and Engine Light being illuminated.
This issue is commonly caused by a faulty sensor, open/shorted sensor harness, or poor electrical connection.
It is crucial to inspect and possibly replace the sensor and check related wiring for damage or corrosion.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the c1145 OBD Code
The vehicle displays an illuminated ABS warning light on the dashboard.
- Symptoms: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- Possible loss of ABS functionality.
- Brake pedal may feel different during braking.
- Unusual noises from the ABS system.
Causes of the c1145 OBD Code
Possible issues related to fault code C1145 include faulty wheel speed sensor or damaged wiring.
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- C1145 can be caused by a Faulty Right Front Wheel Speed Sensor.
- A Right Front Wheel Speed Sensor harness that is open or shorted.
- A Right Front Wheel Speed Sensor circuit with a poor electrical connection.
Fixing Error Code c1145 Step By Step
Address the issue by inspecting the wheel speed sensor circuit for potential faults or damages.
- To fix OBDII code C1145, start by reviewing the possible causes mentioned above and visually examining the corresponding wiring harness and connectors.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Next, perform a thorough inspection of the wheel speed sensor and its wiring for any visible damage or corrosion.
- Test the wheel speed sensor using a multimeter to ensure it is functioning correctly.
- If the sensor is faulty, replace it with a new one.
- Clear the fault codes using a scan tool and test drive the vehicle to verify that the issue has been resolved.
Cost Of Fixing c1145 Fault Code
Diagnosing and repairing fault code C1145 typically involves inspecting and servicing the vehicle’s wheel speed sensor system.
The cost to diagnose and fix OBD code C1145 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
Costs depend on labor rates, shop fees, and the complexity of the repair.
Details of the c1145 OBD Code
C1145 relates to a fault in the right front wheel speed sensor circuit.
OBD code C1145 means Right Front Wheel Speed Sensor Input Circuit Failure.
This code is triggered by the AntiLock Brake System (ABS) module when it detects a circuit malfunction in the right front wheel speed sensor.
The ABS module monitors the speed of each wheel using sensors to ensure proper braking performance and stability control.
When a fault is detected in the input circuit of the right front wheel speed sensor, the C1145 trouble code is set, indicating a potential issue with the sensor, wiring, or connections related to the right front wheel speed sensor.
Mechanic’s Tech Notes
Code C1145 indicates a fault in the right front wheel speed sensor circuit.
OBDII code C1145 relates to a fault in the ABS hydraulic pump motor circuit.
To diagnose, use a multimeter to check power and ground connections to the ABS module.
Inspect wiring for damage and connector pins for corrosion.
A scan tool can help verify communication over the vehicle’s network.
If the issue persists after checking wiring and connections, the ABS module or hydraulic pump motor may need replacement.
Reflashing the module could also be necessary.
FAQ
Common symptoms for OBD code C1145 include ABS warning light on, engine light on. Causes may be faulty right front wheel speed sensor or related wiring issues. Fix: Inspect sensor and wiring.
Likely cause of OBD code C1145: Faulty Right Front Wheel Speed Sensor, open/shorted harness, poor connection. Inspect sensor, harness, connectors for damage/corrosion.
Diagnose OBD code C1145 by checking the right front wheel speed sensor and its wiring for faults. Repair any issues found to resolve the problem.
Wrap Up
If your ABS warning light is on and you see OBDII code C1145, it may indicate a fault in the right front wheel speed sensor circuit.
This could be caused by a damaged wheel speed sensor, faulty wiring connections, or a corroded sensor connector.
To address OBDII code C1145, start by inspecting the wiring harness and connectors leading to the right front wheel speed sensor.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace if necessary to resolve the issue.
