C1704 Mercury Code - Parking Aid Right Rear Outer Sensor Fault
Quick Answer
The parking aid system detects objects behind the vehicle when the vehicle is in REVERSE. Common causes include Faulty Parking Aid Right Rear Outer Sensor, Parking Aid Right Rear Outer Sensor harness is open or shorted, Parking Aid Right Rear Outer Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C1704 Mercury indicates Parking Aid Right Rear Outer Sensor Fault.
- Common causes
- Common causes include Faulty Parking Aid Right Rear Outer Sensor, Parking Aid Right Rear Outer Sensor harness is open or shorted, Parking Aid Right Rear Outer Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C1704 Mercury Description
The parking aid system is enabled when the ignition switch is in the RUN position and REVERSE is selected. The system can be disabled through the message center RESET switch located in the instrument cluster. The parking aid menu is displayed until the transmission is taken out of REVERSE. While the menu is displayed, pressing the message center RESET switch changes the parking aid system status to OFF.
The parking aid system is disabled if a fault is detected in 1 of the 4 sensors, the parking aid speaker, or the parking aid module. This will be indicated by the parking aid disabled warning CHECK BACKUP AID displayed in the message center. The parking aid module is on the International Standards Organization (ISO) 9141 network and can be diagnosed with a diagnostic tool.
What are the Possible Causes of the DTC C1704 Mercury?
- Faulty Parking Aid Right Rear Outer Sensor
- Parking Aid Right Rear Outer Sensor harness is open or shorted
- Parking Aid Right Rear Outer Sensor circuit poor electrical connection
How to Fix the DTC C1704 Mercury?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1704 Mercury code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about C1704 Mercury Code
1. What are the common symptoms of OBDII code C1704 in a Mercury related to the Parking Aid Right Rear Outer Sensor Fault?
- Common symptoms include a malfunctioning or non-functional right rear outer parking aid sensor, beeping or warning alerts from the parking aid system, and potential difficulty in parking or reversing.
2. What are the possible causes of the OBDII code C1704 in a Mercury indicating a Parking Aid Right Rear Outer Sensor Fault?
- The code C1704 can be triggered by issues such as a faulty right rear outer sensor, damaged wiring or connectors in the sensor circuit, or water intrusion into the sensor causing a malfunction.
3. How can I diagnose the Parking Aid Right Rear Outer Sensor Fault in my Mercury when OBDII code C1704 is present?
- Diagnosis involves visually inspecting the right rear outer sensor for physical damage, checking the wiring and connectors for any issues, and using a scan tool to monitor sensor data and detect faults.
4. Is it safe to continue driving my Mercury with the OBDII code C1704 related to the Parking Aid Right Rear Outer Sensor Fault?
- While it may be safe to drive, it is recommended to address the issue promptly as the parking aid system may not function correctly, leading to potential difficulties in parking and reversing.
5. How can I repair the Parking Aid Right Rear Outer Sensor Fault in my Mercury triggered by OBDII code C1704?
- Repair options include replacing the right rear outer sensor if it is faulty, repairing or replacing damaged wiring or connectors, and ensuring proper sealing to prevent water intrusion.
6. Can OBDII code C1704 related to the Parking Aid Right Rear Outer Sensor Fault be reset without fixing the underlying issue in a Mercury?
- While the code can be cleared using a scan tool, it is important to address the root cause of the fault to ensure proper functioning of the parking aid system and to prevent the code from reoccurring.
7. Are there any DIY tips for troubleshooting the Parking Aid Right Rear Outer Sensor Fault in my Mercury before seeking professional help?
- DIY tips include checking the sensor for visible damage, inspecting wiring and connectors for looseness or corrosion, and ensuring the sensor is clean and free from obstructions.
8. How common is the OBDII code C1704 related to the Parking Aid Right Rear Outer Sensor Fault in Mercury vehicles?
- The code C1704 related to the Parking Aid Right Rear Outer Sensor Fault can occur in Mercury vehicles equipped with parking aid systems, especially in older models or those exposed to harsh environmental conditions.
9. Can extreme weather conditions affect the performance of the right rear outer sensor triggering the OBDII code C1704 in a Mercury?
- Yes, extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially damage the sensor or affect its performance, leading to the triggering of the OBDII code C1704.
10. Is it necessary to take my Mercury to a dealership for repair when experiencing the Parking Aid Right Rear Outer Sensor Fault with OBDII code C1704?
- While a dealership may have specialized knowledge and tools, independent automotive repair shops with experience in electronic systems can also diagnose and repair the Parking Aid Right Rear Outer Sensor Fault effectively.
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