C1884 – OBD-II DTC

OBD-II DTC C1884 – Air Suspension RF Height Sensor Circuit Short To Ground

DTC C1884 meaning

DTC C1884 refers to a diagnostic trouble code indicating a problem with the right front height sensor circuit in an air suspension system. Specifically, it signifies that there is a short circuit to ground in the height sensor circuit, which can affect the vehicle’s ability to maintain proper ride height and suspension performance.

DTC C1884 symptoms

Common symptoms associated with DTC C1884 may include:

• Warning lights on the dashboard, such as the air suspension warning light.
• Inconsistent or incorrect ride height of the vehicle.
• Unusual noises from the suspension system.
• Decreased ride quality or handling issues.
• Possible vehicle sagging on one side.

DTC C1884 causes

Several factors can lead to the occurrence of DTC C1884, including:

• A damaged or frayed wiring harness in the height sensor circuit.
• Corrosion or poor connections at the height sensor or related connectors.
• Faulty height sensor itself.
• Issues with the air suspension control module.
• Environmental factors, such as exposure to moisture or road debris.

DTC C1884 seriousness

DTC C1884 is considered a serious issue as it can affect the vehicle’s suspension system. If left unaddressed, it may lead to:

• Increased wear on suspension components.
• Compromised vehicle stability and safety.
• Potential for further damage to the air suspension system.

It is advisable to diagnose and repair this issue promptly to ensure safe vehicle operation.

How to diagnose DTC C1884

To diagnose DTC C1884, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC C1884.
2. Inspect the wiring and connectors associated with the right front height sensor for damage or corrosion.
3. Check the resistance and voltage at the height sensor to ensure it is within specifications.
4. Test the height sensor by comparing its readings to the left front height sensor.
5. Examine the air suspension control module for any faults or issues.

How to fix DTC C1884 step-by-step instructions

To fix DTC C1884, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and repair any damaged wiring or connectors in the height sensor circuit.
3. If the height sensor is faulty, replace it with a new one.
4. Reconnect all connectors and ensure they are secure.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test drive the vehicle to ensure the suspension system operates correctly and the DTC does not return.

How to erase DTC C1884

To erase DTC C1884, 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 and select the option to clear or erase codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.