C1897 – OBD-II DTC

OBD-II DTC C1897 – Steering VAPS II Circuit Loop Failure

DTC C1897 meaning

DTC C1897 refers to a diagnostic trouble code indicating a failure in the Steering VAPS II (Variable Assist Power Steering) circuit loop. This code is generated when the vehicle’s onboard diagnostic system detects an issue with the communication or functionality of the steering assist system, which is crucial for providing the driver with the appropriate steering effort based on vehicle speed and driving conditions.

DTC C1897 symptoms

Common symptoms associated with DTC C1897 may include:

• Steering wheel feels heavy or unresponsive
• Increased effort required to turn the steering wheel
• Steering assist warning light illuminated on the dashboard
• Erratic or inconsistent steering response
• Noise from the power steering system

DTC C1897 causes

Several factors can lead to the triggering of DTC C1897, including:

• Faulty steering angle sensor
• Wiring issues such as shorts, opens, or corrosion in the VAPS circuit
• Defective power steering control module
• Low power steering fluid levels or fluid contamination
• Mechanical issues within the steering system

DTC C1897 seriousness

DTC C1897 is considered a serious issue as it directly affects the vehicle’s steering performance. If left unaddressed, it can lead to:

• Increased risk of loss of steering control
• Potential for accidents due to impaired steering response
• Further damage to the power steering system

How to diagnose DTC C1897

To diagnose DTC C1897, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC C1897.
2. Inspect the power steering fluid level and condition.
3. Check for any visible damage to wiring and connectors in the VAPS circuit.
4. Test the steering angle sensor for proper operation.
5. Examine the power steering control module for faults.
6. Perform a road test to observe steering behavior and any related symptoms.

How to fix DTC C1897 step-by-step instructions

To fix DTC C1897, follow these step-by-step instructions:

1. Address any low power steering fluid levels by topping off with the correct fluid.
2. Repair or replace any damaged wiring or connectors in the VAPS circuit.
3. Replace a faulty steering angle sensor if testing indicates it is defective.
4. Replace the power steering control module if it is found to be malfunctioning.
5. Clear the DTC using an OBD-II scanner and perform a test drive to ensure the issue is resolved.

How to erase DTC C1897

To erase DTC C1897, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position without starting the engine.
3. Access the diagnostic menu on the scanner and select the option to clear or erase trouble codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to verify that the code does not reappear.

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