OBD code C0273 indicates a fault in the Skid Control Electronic Control Unit (ECU) circuit.
Symptoms include the AntiLock Brake System (ABS) and Engine warning lights being illuminated.
The issue may stem from a faulty Skid Control ECU, open/shorted harness, or poor electrical connection.
This is a serious problem that requires immediate attention.
To fix it, inspect the wiring harness and connectors for damage or corrosion, and ensure connector pins are intact.
| 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 c0273 OBD Code
The vehicle displays an 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 c0273 OBD Code
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Possible triggers for fault code C0273 include issues with the steering angle sensor or its circuit.
- C0273 can be caused by a faulty Skid Control ECU (Brake Actuator Assembly).
- A Skid Control ECU harness that is open or shorted.
- A Skid Control ECU circuit with poor electrical connection.
Fixing Error Code c0273 Step By Step
Repairing fault code C0273 involves inspecting and potentially replacing the wheel speed sensor circuit.
- To fix OBDII code C0273, first, review the possible causes related to this code.
- Visually inspect the wiring harness and connectors associated with the ABS system.
- Check for any damaged components and ensure the connector pins are not broken, bent, pushed out, or corroded.
- Test the ABS module for proper operation and communication.
- If necessary, replace the ABS module with a new one.
- Clear the fault codes and perform a road test to verify that the issue has been resolved.
Cost Of Fixing c0273 Fault Code
Diagnosing and repairing fault code C0273 may involve inspecting and servicing the vehicle’s ABS system components.
The cost to diagnose and fix OBD code C0273 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the general cost could be between $75 and $150. The final cost may vary based on shop rates and the complexity of the repair needed.
Details of the c0273 OBD Code
C0273 pertains to a fault in the ABS hydraulic pump motor circuit.
OBD code C0273 means that a fault has been detected in the ABS wheel speed sensor circuit.
This code is triggered by the ABS control module when it detects an issue with the signal from the wheel speed sensor.
The ABS control module uses the wheel speed sensor signals to determine wheel speed and make decisions regarding ABS operation.
If the module detects a discrepancy or absence of signal from the wheel speed sensor, it will trigger the C0273 fault code.
Mechanic’s Tech Notes
Code C0273 indicates a fault with the ABS pump motor circuit.
OBDII code C0273 indicates a fault with the TCM power supply.
To diagnose, use a multimeter to check TCM power and ground connections for proper voltage and continuity.
Utilize a scan tool to confirm TCM communication over the CAN network.
If no issues are found with the wiring or connectors, reprogramming the TCM may be necessary.
Ensure to inspect the wiring harness and connectors for any damage, and check for broken, bent, or corroded pins.
This comprehensive approach will help pinpoint the root cause of the TCM power supply problem.
FAQ
OBD code C0273 indicates an issue with the Skid Control ECU in the AntiLock Brake System. Check for faulty ECU, harness issues, or poor connections.
Common symptoms of OBD code C0273 include ABS warning light and engine light on. Causes may be faulty Skid Control ECU or related wiring issues. Fix: Inspect and repair wiring connections.
Diagnose and repair OBD code C0273 by checking for a faulty Skid Control ECU, open/shorted harness, or poor electrical connection. Inspect wiring and connectors for damage or corrosion.
Wrap Up
If your ABS warning light is on and you see OBDII code c0273, it may indicate a fault in the rear wheel speed sensor circuit.
This could be caused by a damaged sensor, faulty wiring, or poor connections.
To address OBDII code c0273, start by inspecting the rear wheel speed sensor and its wiring for any visible damage.
Test the sensor’s resistance and check the connectors for corrosion or looseness.
Replace the sensor if necessary and ensure all connections are secure to resolve the issue.
