C1197 – OBD-II DTC

OBD-II DTC C1197 – ABS Outlet Valve Coil LF Circuit Short To Ground

DTC C1197 meaning

DTC C1197 refers to a diagnostic trouble code indicating a short circuit to ground in the ABS outlet valve coil for the left front wheel. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle systems, including the Anti-lock Braking System (ABS). When the ABS control module detects an abnormal voltage level in the left front outlet valve coil circuit, it triggers this code to alert the technician of a potential issue.

DTC C1197 symptoms

Common symptoms associated with DTC C1197 may include:

• Illumination of the ABS warning light on the dashboard
• Decreased braking performance or unusual brake behavior
• Increased stopping distance
• Potential activation of the traction control system warning light
• Unresponsive ABS system during braking

DTC C1197 causes

Several factors can lead to the occurrence of DTC C1197, including:

• Wiring issues such as frayed or damaged wires in the ABS outlet valve coil circuit
• Corrosion or poor connections at the ABS module or valve connectors
• Faulty ABS outlet valve coil itself
• Short circuits caused by moisture intrusion or foreign objects
• Malfunctioning ABS control module

DTC C1197 seriousness

DTC C1197 is considered a serious issue as it directly affects 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 accidents due to compromised braking performance

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

How to diagnose DTC C1197

To diagnose DTC C1197, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1197 code.
2. Inspect the wiring and connectors related to the left front ABS outlet valve coil for any visible damage or corrosion.
3. Check the resistance of the ABS outlet valve coil to ensure it is within manufacturer specifications.
4. Test for continuity in the wiring harness to identify any shorts to ground.
5. Examine the ABS control module for any fault codes or issues.

How to fix DTC C1197 step-by-step instructions

To fix DTC C1197, 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 ABS outlet valve coil circuit.
3. If the ABS outlet valve coil is faulty, replace it with a new component.
4. Reconnect any connectors and ensure all connections are secure and free of corrosion.
5. Reconnect the vehicle’s battery.
6. Clear the DTC using an OBD-II scanner and perform a test drive to verify that the issue is resolved.

How to erase DTC C1197

To erase DTC C1197, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the vehicle’s 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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