C1252 – OBD-II DTC

OBD-II DTC C1252 – ABS Inlet Valve Coil LR Circuit Short To Battery

DTC C1252 meaning

DTC C1252 refers to a diagnostic trouble code indicating a problem with the ABS (Anti-lock Braking System) inlet valve coil for the left rear (LR) circuit. Specifically, it signifies a short circuit to the battery in the inlet valve coil circuit, which can affect the proper functioning of the ABS system.

DTC C1252 symptoms

Common symptoms associated with DTC C1252 may include:

• Illumination of the ABS warning light on the dashboard
• Decreased braking performance, especially during hard braking
• Inconsistent or erratic ABS operation
• Potential activation of the traction control system warning light

DTC C1252 causes

Several factors can lead to the occurrence of DTC C1252, including:

• Short circuit in the inlet valve coil wiring
• Faulty ABS inlet valve coil
• Corroded or damaged electrical connectors
• Issues with the ABS control module

DTC C1252 seriousness

DTC C1252 is considered a serious issue as it directly impacts the ABS functionality. If left unaddressed, it can lead to:

• Increased stopping distances
• Loss of vehicle control during braking
• Potential safety hazards for the driver and passengers

How to diagnose DTC C1252

To diagnose DTC C1252, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1252 code.
2. Inspect the wiring and connectors related to the left rear inlet valve coil for any visible damage or corrosion.
3. Test the inlet valve coil for continuity and resistance using a multimeter.
4. Check the ABS control module for any additional codes or malfunctions.
5. Perform a visual inspection of the ABS system components for any signs of wear or damage.

How to fix DTC C1252 step-by-step instructions

To fix DTC C1252, 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 related to the left rear inlet valve coil.
3. If the inlet valve coil is faulty, replace it with a new component.
4. Reconnect the battery and clear the DTC using an OBD-II scanner.
5. Test drive the vehicle to ensure the ABS system is functioning correctly and the warning light does not reappear.

How to erase DTC C1252

To erase DTC C1252, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Access the trouble codes menu on the scanner.
3. Select the option to clear or erase the 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 has been cleared.

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