OBD code C1604 indicates a fault in the Electric Power Steering Torque Sensor circuit.
Symptoms include the ABS and Engine warning lights being illuminated.
This issue is caused by a faulty sensor, wiring harness issues, or a malfunctioning control unit.
It is crucial to address promptly to ensure safe driving.
To fix, inspect the sensor, wiring, 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) |
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Symptoms of the c1604 OBD Code
The vehicle displays a warning light indicating a communication error with the electronic brake control module.
- Symptoms: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- Braking may feel different or less effective.
- ABS system may not function properly.
- Strange noises like grinding or clicking during braking.
Causes of the c1604 OBD Code
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Possible triggers for fault code C1604 include issues with the vehicle’s steering angle sensor.
- C1604 can be caused by a faulty Electric Power Steering Torque Sensor.
- A malfunctioning Electric Power Steering Torque Sensor harness that is open or shorted.
- An Electric Power Steering Torque Sensor circuit with poor electrical connection.
- A faulty Electric Power Steering Control Unit.
Fixing Error Code c1604 Step By Step
Resolve fault code C1604 by inspecting the steering angle sensor and related wiring for faults.
- To fix OBDII code C1604, first, review the ‘Possible Causes’ mentioned above and visually examine the corresponding wiring harness and connectors.
- Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Next, check the steering angle sensor for proper operation and calibration.
- Perform a reset or relearn procedure for the steering angle sensor.
- If the issue persists, consider replacing the steering angle sensor.
- Finally, clear the fault codes and test drive the vehicle to verify that the C1604 code does not return.
Cost Of Fixing c1604 Fault Code
Diagnosing and repairing fault code C1604 may involve inspecting and replacing the vehicle’s steering angle sensor.
The cost to diagnose and fix OBD code C1604 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. Factors like shop rates and complexity of the repair can influence the final cost.
Details of the c1604 OBD Code
Code C1604 relates to a malfunction in the vehicle’s electronic stability control system.
OBD code C1604 means Right Front Sensor 1 Circuit Open.
This code is triggered by the AntiLock Brake System (ABS) module when it detects an open circuit in the wiring of the right front wheel speed sensor.
The ABS module monitors the wheel speed sensors to ensure proper operation of the ABS system and traction control.
When an open circuit is detected in the wiring of the right front wheel speed sensor, the ABS module sets code C1604 to indicate the issue.
Mechanic’s Tech Notes
Code C1604 indicates a malfunction in the vehicle’s electronic stability control system.
To diagnose and fix OBDII code C1604, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) network with 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 check connector pins for signs of being broken, bent, pushed out, or corroded.
This thorough inspection can help identify and resolve the issue causing code C1604.
FAQ
OBD code C1604 indicates an issue with the Electric Power Steering Torque Sensor circuit. Check sensor, harness, connections for faults. Inspect and repair as needed.
Common symptoms of OBD code C1604 include ABS warning light and engine light on. Possible causes are faulty electric power steering torque sensor or related wiring issues.
Diagnose and repair OBD code C1604 by checking Electric Power Steering Torque Sensor and related wiring for faults. Inspect connectors for damage or corrosion.
Wrap Up
If your ABS warning light is illuminated and you retrieve OBDII code c1604, 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 c1604, inspect the right front wheel speed sensor and its wiring harness for any visible damage.
Test the sensor’s electrical connections and replace the sensor if necessary.
Ensure the sensor connector is clean and securely connected to the vehicle’s wiring harness.
