C1923 – OBD-II DTC

OBD-II DTC C1923 – VAPS Solenoid Actuator Output Circuit Short To Battery

DTC C1923 meaning

DTC C1923 refers to a diagnostic trouble code indicating a problem with the VAPS (Variable Assist Power Steering) solenoid actuator output circuit. Specifically, this code signifies that there is a short circuit in the actuator output circuit that is connected directly to the battery. This can lead to improper functioning of the power steering system, affecting vehicle handling and safety.

DTC C1923 symptoms

Common symptoms associated with DTC C1923 may include:

• Loss of power steering assist
• Increased steering effort, especially at low speeds
• Steering wheel feels heavy or unresponsive
• Warning lights illuminated on the dashboard
• Unusual noises from the steering system

DTC C1923 causes

Several factors can lead to the occurrence of DTC C1923, including:

• Short circuit in the VAPS solenoid actuator output circuit
• Damaged wiring or connectors in the power steering system
• Faulty VAPS solenoid actuator
• Issues with the power steering control module
• Corrosion or poor connections in the electrical system

DTC C1923 seriousness

DTC C1923 is considered a serious issue as it directly impacts the vehicle’s steering capabilities. If left unaddressed, it can lead to:

• Increased difficulty in steering, especially in tight maneuvers
• Potential for loss of vehicle control
• Increased wear on steering components
• Safety risks for the driver and other road users

How to diagnose DTC C1923

To diagnose DTC C1923, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC C1923.
2. Inspect the VAPS solenoid actuator and its wiring for visible damage or corrosion.
3. Check the electrical connections for tightness and cleanliness.
4. Test the VAPS solenoid actuator for proper operation using a multimeter.
5. Examine the power steering control module for faults or issues.
6. Clear the DTC and perform a road test to see if the code returns.

How to fix DTC C1923 step-by-step instructions

To fix DTC C1923, follow these steps:

1. Disconnect the battery to ensure safety while working on the electrical system.
2. Inspect and repair any damaged wiring or connectors in the VAPS solenoid actuator circuit.
3. Replace the VAPS solenoid actuator if it is found to be faulty.
4. Clean or replace any corroded connectors to ensure good electrical contact.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Perform a road test to verify that the issue has been resolved and that the DTC does not return.

How to erase DTC C1923

To erase DTC C1923, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the DTC menu on the scanner.
4. Select the option to clear or erase trouble codes.
5. Confirm the action and wait for the scanner to complete the process.
6. Disconnect the scanner and perform a test drive to ensure the code does not reappear.

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