C1241 – OBD-II DTC

OBD-II DTC C1241 – ABS Hydraulic Pressure Differential Switch Input Short Circuit To Ground

DTC C1241 meaning

DTC C1241 refers to a diagnostic trouble code indicating a short circuit to ground in the ABS hydraulic pressure differential switch input. This switch monitors the pressure difference between the hydraulic circuits of the ABS system. When the system detects an abnormal condition, such as a short circuit, it triggers this code to alert the technician of a potential issue that could affect the vehicle’s braking performance.

DTC C1241 symptoms

Common symptoms associated with DTC C1241 may include:

• Illumination of the ABS warning light on the dashboard
• Loss of ABS functionality
• Increased stopping distances
• Unusual brake pedal feel or behavior

DTC C1241 causes

Several factors can lead to the triggering of DTC C1241, including:

• Faulty ABS hydraulic pressure differential switch
• Wiring issues, such as damaged or frayed wires
• Corrosion or poor connections in the electrical circuit
• Malfunctioning ABS control module

DTC C1241 seriousness

DTC C1241 is considered a serious issue as it directly impacts the vehicle’s braking system. If left unaddressed, it can lead to:

• Increased risk of brake failure
• Reduced vehicle control during emergency braking situations
• Potential for accidents due to compromised braking performance

How to diagnose DTC C1241

To diagnose DTC C1241, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1241 code.
2. Inspect the ABS hydraulic pressure differential switch for visible damage or wear.
3. Check the wiring and connectors for signs of corrosion, fraying, or disconnection.
4. Test the resistance and functionality of the ABS hydraulic pressure differential switch.
5. Examine the ABS control module for any faults or error codes.
6. Clear the code and perform a road test to see if the code reappears.

How to fix DTC C1241 step-by-step instructions

To fix DTC C1241, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and repair any damaged wiring or connectors related to the ABS hydraulic pressure differential switch.
3. If the switch is faulty, replace it with a new one.
4. Reconnect the battery and clear the DTC using an OBD-II scanner.
5. Perform a road test to verify that the ABS system is functioning correctly and that the code does not return.

How to erase DTC C1241

To erase DTC C1241, 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 “Erase Codes” or “Clear DTCs” option on the scanner.
4. Confirm the action to clear the trouble codes.
5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

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