C1702 – OBD-II DTC

OBD-II DTC C1702 – RightRear Sensor Circuit Short to Vbat

DTC C1702 meaning

DTC C1702 refers to a diagnostic trouble code indicating a short circuit in the right rear sensor circuit to battery voltage (Vbat). This code is typically associated with issues in the vehicle’s sensor system, particularly affecting the right rear wheel speed sensor or related components. The presence of this code suggests that the sensor is receiving an unexpected voltage level, which can lead to incorrect readings and affect vehicle performance.

DTC C1702 symptoms

Common symptoms associated with DTC C1702 may include:

• Illumination of the check engine light or ABS warning light.
• Erratic or inaccurate readings from the right rear wheel speed sensor.
• Potential issues with traction control or stability control systems.
• Unusual behavior in anti-lock braking system (ABS) operation.

DTC C1702 causes

Several factors can lead to the triggering of DTC C1702, including:

• Damaged or frayed wiring in the right rear sensor circuit.
• Corroded or poor electrical connections at the sensor or module.
• Faulty right rear wheel speed sensor.
• Short circuit within the sensor circuit due to insulation failure.
• Issues with the vehicle’s control module or software glitches.

DTC C1702 seriousness

The seriousness of DTC C1702 can vary based on the vehicle’s systems affected. While it may not immediately compromise vehicle safety, it can lead to:

• Reduced effectiveness of the ABS and traction control systems.
• Increased risk of skidding or loss of control in slippery conditions.
• Potential for further electrical issues if not addressed.

It is advisable to diagnose and repair the issue promptly to ensure optimal vehicle performance and safety.

How to diagnose DTC C1702

To diagnose DTC C1702, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC C1702.
2. Inspect the right rear wheel speed sensor and its wiring for visible damage.
3. Check electrical connections for corrosion or looseness.
4. Test the voltage and resistance of the right rear sensor using a multimeter.
5. Examine the vehicle’s control module for any software updates or faults.
6. Clear the code and perform a test drive to see if the code reappears.

How to fix DTC C1702 step-by-step instructions

To fix DTC C1702, follow these step-by-step instructions:

1. Start by inspecting the right rear wheel speed sensor and wiring for any visible damage.
2. If damage is found, replace the sensor or repair the wiring as necessary.
3. Clean any corroded connections and ensure all connectors are secure.
4. Use a multimeter to check the sensor’s voltage and resistance replace the sensor if readings are out of specification.
5. Check the vehicle’s control module for any updates or faults and reprogram if necessary.
6. After repairs, clear the DTC using an OBD-II scanner.
7. Perform a test drive to ensure the issue is resolved and the code does not reappear.

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