OBD code C1609 indicates an issue with the Electric Power Steering Control Unit related to the Wheel Speed Sensor circuit.
Symptoms include the ABS and Engine warning lights being illuminated.
This is commonly caused by a faulty wheel speed sensor or related wiring issues.
It is a moderate issue that should be addressed promptly.
A possible fix involves inspecting and repairing the wheel speed sensor and its circuit 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 c1609 OBD Code
The vehicle displays a warning light indicating a fault with the ABS hydraulic pump motor circuit (C1609).
- With OBD code C1609, symptoms may include: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- Difficulty engaging the ABS system during braking.
- Unusual noises coming from the ABS module.
- Decreased braking performance.
Causes of the c1609 OBD Code
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Possible triggers for fault code C1609 include issues with the steering angle sensor calibration.
- C1609 can be caused by a Faulty Wheel Speed Sensor.
- A Wheel Speed Sensor harness that is open or shorted.
- A Wheel Speed Sensor circuit with poor electrical connection.
- A Faulty Electric Power Steering Control Unit.
Fixing Error Code c1609 Step By Step
To resolve fault code C1609, inspect the wiring harness for any damage or loose connections.
- To fix OBDII code C1609, first, review the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to 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.
- Ensure the steering angle sensor is securely mounted and functioning correctly.
- Calibrate or reset the steering angle sensor using a compatible scan tool.
- Test drive the vehicle to verify the repair and ensure the code does not return.
- If the issue persists, consider replacing the steering angle sensor following manufacturer’s guidelines.
Cost Of Fixing c1609 Fault Code
The repair for fault code C1609 may involve replacing the steering angle sensor in the vehicle.
The cost to diagnose and fix OBD code C1609 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.
Details of the c1609 OBD Code
Code C1609 indicates a malfunction in the vehicle’s steering angle sensor circuit.
OBD code C1609 indicates a communication error between the body control module (BCM) and the electronic brake control module (EBCM).
This code is triggered when the BCM does not receive the expected data from the EBCM over the serial data circuit.
The BCM uses this information for various vehicle functions, including brake system operation and monitoring.
When this communication error occurs, it can affect the proper functioning of the brake system and other related systems in the vehicle.
Mechanic’s Tech Notes
Detailed information on fault code C1609, including symptoms, causes, and solutions for effective troubleshooting.
OBDII code C1609 indicates a communication error between the transmission control module (TCM) and the engine control module (ECM).
To diagnose, check TCM power and ground using a multimeter.
Use a scan tool to confirm TCM response over the CAN network.
Inspect wiring harnesses and connectors for damage, corrosion, or loose connections.
Ensure connector pins are intact.
Reflashing the TCM may be necessary.
If the issue persists, consider replacing the TCM.
FAQ
OBD code C1609 indicates an issue with the Electric Power Steering Control Unit. Check for faulty wheel speed sensor, harness issues, or poor electrical connections.
Common symptoms for OBD code C1609 include ABS warning light on, engine light on, caused by faulty wheel speed sensor or wiring issues.
Diagnose and repair OBD code C1609 by checking for faulty wheel speed sensor, harness issues, or poor connections. Inspect wiring and connectors for damage or corrosion.
Wrap Up
If your ABS warning light is on and you’re seeing OBDII code c1609, it may be caused by a malfunction in the brake fluid level sensor circuit.
This could be due to a faulty brake fluid level sensor, wiring issues, or a poor connection at the sensor or module.
To address OBDII code c1609, start by checking the brake fluid level sensor and its wiring for any damage or corrosion.
Test the sensor’s resistance and inspect the connector for any signs of wear or looseness.
Replace the sensor if necessary and ensure all connections are secure to resolve the issue.
