Engine-CodesMercury – C1700 Mercury

C1700 Mercury Code - Parking Aid Left Rear Outer Sensor Circuit Failure

Quick Answer

The C1700 diagnostic trouble code (DTC) for Mercury vehicles indicates a Parking Aid Left Rear Outer Sensor Circuit Failure. Common causes include Damaged wiring or connectors in the left rear outer sensor circuit, Faulty left rear outer parking sensor, Corrosion in the sensor connections. 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
C1700 Mercury indicates Parking Aid Left Rear Outer Sensor Circuit Failure.
Common causes
Common causes include Damaged wiring or connectors in the left rear outer sensor circuit, Faulty left rear outer parking sensor, Corrosion in the sensor connections.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code C1700 Mercury Description

The C1700 diagnostic trouble code (DTC) for Mercury vehicles indicates a Parking Aid Left Rear Outer Sensor Circuit Failure. This means that there is a malfunction in the circuit of the left rear outer parking sensor, which is part of the vehicle's parking aid system. The parking aid system is designed to assist drivers in parking by providing visual or audible alerts when the vehicle is close to an object. When the left rear outer sensor circuit fails, it can affect the accuracy and reliability of the parking aid system, potentially leading to difficulties in parking and an increased risk of collisions, especially in tight spaces.

OBDII Code C1700 Mercury - Parking Aid Left Rear Outer Sensor Circuit Failure
C1700 Mercury Code - Parking Aid Left Rear Outer Sensor Circuit Failure

Common Causes of C1700 Mercury

  1. Damaged wiring or connectors in the left rear outer sensor circuit.
  2. Faulty left rear outer parking sensor.
  3. Corrosion in the sensor connections.
  4. Issues with the vehicle's electrical system.
  5. Water intrusion or physical damage to the sensor.

Symptoms of C1700 Mercury

  1. Parking aid system not providing alerts or displaying incorrect information.
  2. Audible warning signals not functioning properly.
  3. Indicator lights on the dashboard related to the parking aid system illuminating.
  4. Difficulty parking or maneuvering the vehicle in tight spaces.

How to Fix C1700 Mercury

  1. Begin by conducting a visual inspection of the left rear outer sensor and its connections to check for any visible damage or corrosion.
  2. Use a multimeter to test the continuity and resistance of the sensor circuit to identify any faulty components.
  3. Replace the left rear outer sensor if it is found to be defective.
  4. Repair or replace any damaged wiring or connectors in the circuit.
  5. Clear the DTC with a diagnostic scan tool and test the parking aid system to ensure proper functionality.

Cost to Fix C1700 Mercury

The cost of repairing a Parking Aid Left Rear Outer Sensor Circuit Failure can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the parts for this repair may range from $100 to $300, while the labor costs can add another $100 to $200. Overall, drivers can expect to pay between $200 and $500 for this repair at a typical auto repair shop. It's important to note that prices may differ based on location, vehicle make and model, and the shop's labor rates. Therefore, it's recommended to obtain quotes from local repair facilities for a more accurate estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1700 Mercury Code

1. What does the OBDII code C1700 mean on a Mercury vehicle?

C1700 indicates a Parking Aid Left Rear Outer Sensor Circuit Failure, meaning the left rear parking sensor is not functioning properly due to an electrical circuit issue.

2. What are the symptoms of the C1700 code?

Common symptoms include the parking assist system not working, warning lights or messages on the dashboard, and a lack of beeping when approaching obstacles near the left rear of the vehicle.

3. What causes the C1700 code to appear?

The code is typically caused by a faulty parking sensor, damaged wiring or connectors, corrosion in the sensor circuit, or a malfunctioning parking aid module.

4. How do I diagnose the C1700 code?

Start by visually inspecting the left rear outer parking sensor and its wiring for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the circuit. A scan tool can also help verify sensor performance.

5. Can I still drive with the C1700 code?

Yes, you can drive with this code, but your parking assist system may not function properly, increasing the risk of collision when parking or reversing.

6. How is the C1700 code fixed?

Repairs may include replacing the faulty parking sensor, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the parking aid module if necessary.

7. How much does it cost to repair the C1700 code?

Repair costs can range from $50 to $300, depending on whether the issue is a simple wiring repair or requires sensor/module replacement.

8. Can I clear the C1700 code without fixing the issue?

Clearing the code without addressing the root cause will only temporarily remove the warning. The code will return if the underlying issue is not repaired.

9. How can I prevent the C1700 code from occurring?

Regularly inspect and clean parking sensors and connectors to prevent dirt, moisture, or corrosion from affecting the circuit.

10. Can a bad parking sensor cause other problems in the vehicle?

While it primarily affects the parking assist system, a malfunctioning sensor may trigger additional warning lights or codes if it disrupts communication with the parking aid module.

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