OBD-II DTC C1184 – ABS System Is Not Operational
DTC C1184 meaning
DTC C1184 indicates that the Anti-lock Braking System (ABS) is not operational. This code is generated when the ABS control module detects a malfunction within the system, preventing it from functioning correctly. The ABS is crucial for maintaining vehicle stability and control during braking, especially in slippery conditions.
DTC C1184 symptoms
Common symptoms associated with DTC C1184 may include:
- Illumination of the ABS warning light on the dashboard
- Loss of ABS functionality during braking
- Increased stopping distances
- Unusual brake pedal feel, such as pulsation or stiffness
- Potential activation of the traction control or stability control warning lights
DTC C1184 causes
Several factors can lead to the triggering of DTC C1184, including:
- Faulty ABS control module
- Wiring issues, such as damaged or corroded connectors
- Defective wheel speed sensors
- Low brake fluid levels
- Malfunctioning hydraulic control unit
- Software issues within the ABS module
DTC C1184 seriousness
DTC C1184 is considered serious because it indicates a failure in the ABS system. Without a functioning ABS, the vehicle may experience:
- Reduced braking effectiveness
- Increased risk of skidding or loss of control during emergency braking
- Potential for accidents, especially in adverse weather conditions
How to diagnose DTC C1184
To diagnose DTC C1184, follow these steps:
- Use an OBD-II scanner to confirm the presence of DTC C1184.
- Check for any additional DTCs that may provide more context.
- Inspect the ABS control module and wiring for visible damage or corrosion.
- Test the wheel speed sensors for proper operation and signal output.
- Verify brake fluid levels and check for leaks in the brake system.
- Perform a visual inspection of the hydraulic control unit.
- Consult the vehicle’s service manual for specific diagnostic procedures related to the ABS system.
How to fix DTC C1184 step-by-step instructions
To fix DTC C1184, follow these steps:
- Clear the DTC using an OBD-II scanner.
- Inspect and repair any damaged wiring or connectors related to the ABS system.
- Replace any faulty wheel speed sensors.
- Ensure brake fluid levels are adequate and check for leaks.
- Test the ABS control module for proper functionality and replace if necessary.
- Recheck the system for any remaining DTCs after repairs.
- Perform a road test to ensure the ABS is functioning correctly.
How to erase DTC C1184
To erase DTC C1184, follow these steps:
- Connect an OBD-II scanner to the vehicle’s diagnostic port.
- Turn the ignition key to the “On” position without starting the engine.
- Access the DTC menu on the scanner and select the option to clear or erase codes.
- Confirm the action and wait for the scanner to complete the process.
- Disconnect the scanner and start the vehicle to check if the code reappears.
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.