OBD code C1998 indicates an issue with the AntiLock Brake System (ABS) Module Calibration.
Symptoms include the ABS Warning Light and Engine Light being illuminated.
This can be caused by a faulty ABS module, open/shorted harness, or poor electrical connection.
While it affects safety, it’s not critical.
To fix, inspect wiring and connectors for damage, and check connector pins for issues.
| 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 c1998 OBD Code
The vehicle displays a warning light indicating a fault with the ABS pump motor circuit (code C1998).
- With OBD code C1998, symptoms may include: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- Unusual noises coming from the ABS system.
- Decreased braking performance.
- Difficulty maintaining control during sudden stops.
Causes of the c1998 OBD Code
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Possible triggers for fault code C1998 include issues with the steering angle sensor or related wiring.
- C1998 can be caused by AntiLock Brake System (ABS) Module Calibration.
- A Faulty AntiLock Brake System Module.
- An open or shorted AntiLock Brake System Module harness.
- Or a poor electrical connection in the AntiLock Brake System Module circuit.
Fixing Error Code c1998 Step By Step
To resolve fault code C1998, inspect the wiring harness for any damage or loose connections.
- To fix OBDII code C1998, first, review the possible causes related to this specific fault code.
- Visually examine the wiring harness and connectors associated with the ABS system.
- Check for any damaged components or wiring insulation.
- Inspect the connector pins for any signs of being broken, bent, pushed out, or corroded.
- Ensure all connections are secure and free of corrosion.
- If no visible issues are found, perform a diagnostic scan tool test to further pinpoint the problem.
- Consider resetting the ABS module or updating its software as necessary.
- Replace the ABS module if all other steps fail to resolve the issue.
Cost Of Fixing c1998 Fault Code
Diagnosing and repairing fault code C1998 may involve inspecting and replacing the ABS pump motor.
The cost to diagnose and fix OBD code C1998 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. Actual cost may vary based on shop rates and the complexity of the repair.
Details of the c1998 OBD Code
Code C1998 relates to a fault in the steering angle sensor circuit.
OBD code C1998 indicates a fault with the steering angle sensor.
This code is triggered by the Electronic Control Module (ECM) or the Body Control Module (BCM) when it detects an issue with the steering angle sensor signal or system.
The steering angle sensor is responsible for monitoring the steering wheel position and rate of turn, providing crucial data for stability control systems and other safety features in the vehicle.
Mechanic’s Tech Notes
Code C1998 relates to a fault in the brake pedal position sensor circuit.
To diagnose and fix OBDII code C1998, 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 ensure connector pins are not broken, bent, pushed out, or corroded.
This thorough inspection can help identify and resolve the issue causing the C1998 fault code.
FAQ
OBD code C1998 indicates an issue with the AntiLock Brake System (ABS) Module, possibly due to calibration, module faults, wiring issues. Inspect and repair as needed.
Common symptoms for OBD code C1998 include ABS warning light on, engine light on. Causes may be ABS module calibration, faulty module, or wiring issues. Fix: Inspect and repair as needed.
Diagnose OBD code C1998 by checking ABS module calibration, module condition, and wiring. Repair by inspecting harness, connectors, and components for damage or corrosion.
Wrap Up
If your ABS warning light is illuminated and you retrieve OBDII code c1998, it may indicate a fault with the brake pressure sensor circuit in the ABS system.
This could be caused by a damaged sensor, wiring issue, or poor connection.
To address OBDII code c1998, start by inspecting the wiring harness and connectors related to the brake pressure 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.
