The OBD code C1A73 indicates a fault in the Controller Area Network (CAN) communication system related to the Forward Recognition Camera and Driving Support ECU Assembly.
Symptoms include the Engine Light being ON.
The issue can be caused by faulty components or wiring.
It is crucial to visually inspect the wiring harness, connectors, and components for any 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) |
Symptoms of the c1a73 OBD Code
The vehicle displays a warning message regarding the steering angle sensor calibration.
- Symptoms: Service Suspension System warning light may illuminate.
- Suspension may feel bouncy or unstable.
- Vehicle height may not adjust properly.
- Steering may feel heavier than usual.
Causes of the c1a73 OBD Code
Possible triggers for fault code c1a73 include faulty steering angle sensor or calibration issues.
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- C1A73 can be caused by a Faulty Controller Area Network (CAN) Communication System.
- A Faulty Forward Recognition Camera.
- A Faulty Driving Support ECU Assembly.
Fixing Error Code c1a73 Step By Step
Resolve fault code c1a73 by recalibrating the steering angle sensor using a diagnostic scan tool.
- To fix OBDII code C1A73, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the steering angle sensor system.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If any issues are found during the inspection, repair or replace the damaged wiring or connectors as necessary.
- Perform a reset on the steering angle sensor module to clear the code and recalibrate the system.
- Test drive the vehicle to ensure the code does not return, indicating a successful repair.
Cost Of Fixing c1a73 Fault Code
The repair for fault code c1a73 may involve replacing the steering angle sensor.
The cost to diagnose and fix OBD code c1a73 is typically based on 1. 0 hour of labor, with rates ranging from $75 to $150 per hour.
The total cost will depend on shop rates, complexity of the issue, and any additional parts or services needed.
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Details of the c1a73 OBD Code
Code C1A73 relates to a fault in the steering angle sensor system.
OBD code C1A73 means that there is a fault with the Park Brake Switch Circuit.
This code is triggered by the Body Control Module (BCM) based on input from the park brake switch.
The park brake switch is used to inform the BCM when the parking brake is engaged or disengaged.
When the BCM detects an issue with this circuit, it will set code C1A73.
Mechanic’s Tech Notes
Code c1a73 indicates a fault with the steering angle sensor on the vehicle.
To diagnose and fix OBDII code C1A73, 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.
Visually inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.
This thorough inspection can help identify and resolve the issue causing the C1A73 fault code.
FAQ
OBD code C1A73 indicates a fault in the Controller Area Network (CAN) communication system. Check for issues with the forward recognition camera and driving support ECU assembly.
Common symptoms for OBD code C1A73 include Engine Light ON, caused by issues with CAN communication system, forward recognition camera, or driving support ECU. Check wiring and connectors for damage.
Diagnose OBD code C1A73 by checking CAN communication system, forward recognition camera, and driving support ECU. Inspect wiring, connectors, and components for damage or corrosion.
Wrap Up
If your vehicle displays OBD code c1a73, you may experience issues with the parking brake system, such as the parking brake not engaging or releasing properly.
This code could indicate a fault with the parking brake control module, faulty sensors, or wiring problems within the parking brake system.
To address OBD code c1a73, start by inspecting the wiring harness and connectors related to the parking brake system.
Check for any damaged wires, loose connections, or corrosion.
Test the parking brake control module and sensors for proper functionality, replacing any components that are found to be faulty.
