C1202 – OBD-II DTC

OBD-II DTC C1202 – ABS Outlet Valve Coil Rear Circuit Failure

DTC C1202 meaning

DTC C1202 refers to a fault in the ABS (Anti-lock Braking System) related to the outlet valve coil in the rear circuit. This code indicates that the vehicle’s onboard diagnostic system has detected a malfunction in the electrical circuit that controls the outlet valve coil, which is responsible for regulating brake pressure during ABS operation.

DTC C1202 symptoms

Common symptoms associated with DTC C1202 may include:

• Illumination of the ABS warning light on the dashboard
• Loss of ABS functionality, leading to potential wheel lock-up during hard braking
• Increased stopping distances
• Unusual noises from the ABS module during operation

DTC C1202 causes

Several factors can lead to the triggering of DTC C1202, including:

• Faulty outlet valve coil in the rear circuit
• Wiring issues such as shorts, opens, or corrosion in the electrical connections
• Defective ABS control module
• Faulty connectors or terminals related to the ABS system
• Low brake fluid levels or contaminated brake fluid

DTC C1202 seriousness

DTC C1202 is considered a serious issue as it directly affects the vehicle’s braking system. The malfunction of the ABS can lead to:

• Increased risk of skidding or loss of control during emergency braking
• Potential for accidents due to compromised braking performance
• Increased wear on brake components

How to diagnose DTC C1202

To diagnose DTC C1202, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC C1202.
2. Inspect the ABS system wiring and connectors for any visible damage or corrosion.
3. Check the outlet valve coil for continuity and proper resistance using a multimeter.
4. Examine the ABS control module for any fault codes or issues.
5. Test the brake fluid level and condition, ensuring it meets manufacturer specifications.

How to fix DTC C1202 step-by-step instructions

To fix DTC C1202, 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 outlet valve coil.
3. If the outlet valve coil is faulty, replace it with a new component.
4. Check and replace the ABS control module if it is determined to be defective.
5. Ensure the brake fluid is at the correct level and is free from contamination.
6. Reconnect the battery and clear the DTC using an OBD-II scanner.
7. Test drive the vehicle to ensure the ABS system is functioning correctly and the warning light does not reappear.

How to erase DTC C1202

To erase DTC C1202, 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 return.

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