C1703 – OBD-II DTC

OBD-II DTC C1703 – Right Rear Sensor Circuit Failure

DTC C1703 meaning

DTC C1703 refers to a fault in the right rear sensor circuit, which is part of the vehicle’s stability control and anti-lock braking systems. This code indicates that the vehicle’s onboard diagnostic system has detected a malfunction in the circuit associated with the right rear wheel speed sensor. The wheel speed sensor is crucial for monitoring the speed of the wheel and providing data to the vehicle’s control modules for proper operation of various systems.

DTC C1703 symptoms

Common symptoms associated with DTC C1703 may include:

• Illumination of the check engine light or ABS warning light
• Inconsistent or erratic ABS operation
• Loss of traction control functionality
• Unusual braking behavior, such as locking up or skidding
• Increased stopping distances

DTC C1703 causes

Several factors can lead to the occurrence of DTC C1703, including:

• Faulty right rear wheel speed sensor
• Damaged wiring or connectors in the sensor circuit
• Corrosion or poor connections at the sensor or control module
• Issues with the vehicle’s ABS control module
• Mechanical problems with the wheel hub or bearing

DTC C1703 seriousness

DTC C1703 is considered a serious issue as it affects the vehicle’s braking and stability control systems. If left unaddressed, it can lead to compromised vehicle safety, especially in slippery or emergency conditions. It is important to diagnose and repair this issue promptly to ensure safe vehicle operation.

How to diagnose DTC C1703

To diagnose DTC C1703, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1703 code.
2. Inspect the right rear wheel speed sensor and its wiring for visible damage or corrosion.
3. Check the sensor’s resistance and voltage output using a multimeter.
4. Examine the ABS control module for any related fault codes.
5. Test the vehicle’s braking system for any mechanical issues.

How to fix DTC C1703 step-by-step instructions

To fix DTC C1703, follow these steps:

1. Clear the DTC using an OBD-II scanner.
2. If the code returns, replace the right rear wheel speed sensor if it is faulty.
3. Repair or replace any damaged wiring or connectors in the sensor circuit.
4. Ensure all connections are clean and secure, free from corrosion.
5. Test the ABS control module for proper operation and replace if necessary.
6. Recheck the system for any remaining codes after repairs.

How to erase DTC C1703

To erase DTC C1703, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position without starting the engine.
3. Access the scanner’s menu and select the option to clear or erase trouble 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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