DTC Code C1702 – What does this code mean?

<ul> <li><b>Engine Light ON (or Service Engine Soon Warning Light)</b>: The engine light or service engine soon warning light illuminates on the dashboard. This is a general indicator that there is an issue with the vehicle's systems, potentially linked to the parking aid sensor circuit short to battery.</li> <li><b>Parking Aid System Inoperative</b>: The parking aid system becomes non-functional. This can be due to a short circuit in the right rear outer sensor, which prevents the system from accurately detecting obstacles and providing assistance during parking.</li> </ul>

<ul><li>The Parking Aid Right Rear Outer Sensor may be faulty, causing incorrect readings or no signal.</li><li>The sensor harness could be open or shorted, leading to improper communication with the control module.</li><li>Poor electrical connections in the sensor circuit can result in intermittent or failed sensor operation.</li></ul>

<ul> <li><b>Initial Inspection</b>: Visually inspect the right rear outer parking aid sensor and its wiring for any obvious signs of damage, corrosion, or disconnection.</li> <li><b>Check Sensor Connection</b>: Ensure the sensor is properly connected. Disconnect and reconnect the sensor to verify a secure connection.</li> <li><b>Measure Voltage</b>: Using a multimeter, measure the voltage at the sensor connector. Verify that the voltage is within the manufacturer's specified range.</li> <li><b>Inspect Wiring Harness</b>: Check the wiring harness for any signs of short circuits, especially looking for wires that may be touching the battery or other power sources.</li> <li><b>Test Sensor Resistance</b>: Measure the resistance of the sensor using an ohmmeter. Compare the readings with the manufacturer's specifications to ensure the sensor is functioning correctly.</li> <li><b>Check Control Module</b>: Inspect the parking aid control module for any signs of damage or malfunction. Ensure it is receiving and sending the correct signals.</li> <li><b>Perform System Reset</b>: After addressing any identified issues, reset the system and clear the DTC code. Test the parking aid system to confirm the issue is resolved.</li></ul>

<p>The DTC code C1702 indicates a short circuit in the parking aid right rear outer sensor circuit. This is a critical issue as it can lead to malfunctioning of the parking aid system, increasing the risk of collisions while reversing.</p><ul><li><b>Immediate Action:</b> Inspect and repair the wiring and sensor immediately to restore proper function.</li><li><b>Potential Risks:</b> Delayed repair can result in further electrical damage and compromised vehicle safety.</li></ul>