OBD code C0398 indicates an issue with the Transfer Case Range Actuator Position Sensor in the Transfer Case system.
Symptoms include the Engine Light being ON.
The cause could be a faulty sensor, wiring harness issues, or a problem with the Transfer Case Control Module.
This is a moderate issue that should be addressed promptly.
To fix it, 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 c0398 OBD Code
The vehicle displays a warning light indicating an issue with the Electronic Brake Control Module (EBCM).
- Symptoms: Service StabiliTrak Warning Light may illuminate.
- Reduced traction control system functionality.
- Possible ABS system issues.
- Brake pedal may feel different during braking.
Causes of the c0398 OBD Code
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Possible reasons for fault code C0398 include issues with the steering angle sensor or its circuit.
- C0398 can be caused by a Faulty Transfer Case Range Actuator Position Sensor.
- A Transfer Case Range Actuator Position Sensor harness that is open or shorted.
- A Transfer Case Range Actuator Position Sensor circuit with poor electrical connection.
- A Faulty Transfer Case Range Actuator Position Sensor (part of the Transfer Case Motor or Transfer Case Two/Four Wheel Drive Actuator).
- A Faulty Transfer Case Control Module.
Fixing Error Code c0398 Step By Step
Replace the faulty steering angle sensor to address fault code C0398.
- To fix OBDII code C0398, review the possible causes related to the code.
- Visually examine the wiring harness and connectors associated with the steering angle sensor.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Perform a reset on the steering angle sensor module if possible.
- If the issue persists, consider replacing the steering angle sensor module with a new one.
Cost Of Fixing c0398 Fault Code
Diagnosing and repairing fault code C0398 may involve inspecting and servicing the steering angle sensor system.
The cost to diagnose and fix OBD code C0398 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150. Factors like shop rates and complexity can affect the final cost.
Details of the c0398 OBD Code
Code C0398 indicates a fault with the power steering position sensor circuit.
OBD code C0398 means Steering Angle Sensor Circuit Range/Performance.
This code is triggered when the steering angle sensor sends a signal to the Electronic Brake Control Module (EBCM) that is outside the expected range or performance parameters.
The steering angle sensor is a critical component of the vehicle’s stability control system, providing data on the steering wheel position and rate of turn to help the EBCM make decisions regarding stability and traction control.
Mechanic’s Tech Notes
Code C0398 indicates a fault with the power steering control module communication circuit.
OBDII code C0398 indicates a problem with the transmission control module (TCM) power circuit.
To diagnose this, use a multimeter to check TCM power and ground connections for proper voltage and continuity.
Additionally, use a scan tool to confirm TCM communication over the Controller Area Network (CAN) network.
If the wiring harness and connectors look good, consider reprogramming or reflashing the TCM.
Be thorough in inspecting for damaged components, broken or corroded pins in connectors.
This comprehensive approach will help pinpoint the issue and guide you towards an effective repair.
FAQ
OBD code C0398 indicates an issue with the Transfer Case Range Actuator Position Sensor. Check sensor, wiring, connectors for faults.
Common symptoms of OBD code C0398 include Engine Light ON. Causes may be a faulty Transfer Case Range Actuator Position Sensor or related components. Fix: Inspect and repair as needed.
Diagnose and repair OBD code C0398 by checking Transfer Case Range Actuator Position Sensor and related components for faults. Inspect wiring harness and connectors for damage or corrosion.
Wrap Up
If your ABS warning light is illuminated and OBDII code c0398 is present, it may indicate a fault in the brake fluid level sensor circuit in your vehicle.
This could be caused by a faulty brake fluid level sensor, damaged wiring, or poor connections in the sensor circuit.
To address OBDII code c0398, start by inspecting the wiring harness and connectors related to the brake fluid level sensor.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace it if necessary to resolve the issue.
