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Engine-Codes – Generic – C1703

C1703 Code - Parking Aid Right Rear Outer Sensor Circuit Failure

Quick Answer

The C1703 diagnostic trouble code indicates a Parking Aid Right Rear Outer Sensor Circuit Failure. Common causes include Faulty right rear outer sensor, Wiring damage or corrosion in the sensor circuit, Loose connections or poor electrical 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
C1703 indicates Parking Aid Right Rear Outer Sensor Circuit Failure.
Common causes
Common causes include Faulty right rear outer sensor, Wiring damage or corrosion in the sensor circuit, Loose connections or poor electrical 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code C1703 Description

The C1703 diagnostic trouble code indicates a Parking Aid Right Rear Outer Sensor Circuit Failure. This means that there is an issue with the sensor located on the right rear outer side of the vehicle's parking aid system. The parking aid system is designed to assist drivers in parking by providing warnings when the vehicle gets too close to objects. When the sensor circuit fails, it can lead to inaccurate readings or a complete failure of the parking aid system, affecting the driver's ability to park safely.

OBDII Code C1703 - Parking Aid Right Rear Outer Sensor Circuit Failure
C1703 Code - Parking Aid Right Rear Outer Sensor Circuit Failure

Common Causes of C1703

  1. Faulty right rear outer sensor.
  2. Wiring damage or corrosion in the sensor circuit.
  3. Loose connections or poor electrical connections.
  4. Electronic control unit (ECU) malfunction.
  5. Sensor calibration issues.

Symptoms of C1703

  1. Parking aid system not providing warnings when approaching obstacles.
  2. Constant or intermittent warning alerts from the parking aid system.
  3. Inaccurate distance readings displayed on the parking aid system.
  4. Parking aid system being disabled or not functioning at all.

How to Fix C1703

  1. Diagnostic Testing: Use a scan tool to diagnose the specific cause of the circuit failure in the right rear outer sensor.
  2. Sensor Replacement: Replace the faulty sensor with a new one, ensuring it is properly calibrated and installed.
  3. Wiring Inspection: Check the wiring harness for any damage, corrosion, or loose connections. Repair or replace as necessary.
  4. ECU Testing: Test the electronic control unit (ECU) to determine if it is functioning correctly. Replace if needed.
  5. Sensor Calibration: Calibrate the new sensor and ensure it is communicating properly with the parking aid system.

Cost to Fix C1703

The cost of repairing a Parking Aid Right Rear Outer Sensor Circuit Failure can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair cost for this type of problem can range from $200 to $500. This estimate includes the cost of the sensor, any necessary wiring repairs, and labor charges. It is essential to consult with a qualified mechanic or auto repair shop to get an accurate cost estimate based on the vehicle's make and model, as well as the extent of the repair needed. Additionally, factors such as location, labor rates, and dealership vs. independent shop prices can affect the overall repair cost.

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Code C1703 Information for Specific Makes

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 C1703 Code

1. What does the OBDII code C1703 mean?

C1703 indicates a failure in the parking aid system, specifically in the right rear outer sensor circuit, which could result in the sensor not functioning properly.

2. What are the symptoms of code C1703?

Symptoms include the parking aid system not detecting objects on the right rear side, a warning light or message on the dashboard, and audible alerts not working as expected.

3. What causes the C1703 code?

Common causes include a faulty parking aid sensor, damaged sensor wiring or connector, corrosion, or an issue with the parking aid control module.

4. Can I still drive with the C1703 code?

Yes, you can drive with the code present, but the parking aid system may not function correctly, increasing the risk of collisions while parking.

5. How do I diagnose the C1703 code?

Diagnose the code by visually inspecting the right rear outer sensor and its wiring for damage, testing the sensor with a multimeter, and using a scan tool to check for additional related codes.

6. How do I fix the C1703 code?

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

7. How much does it cost to fix code C1703?

The repair cost can vary but typically ranges from $100 to $300, depending on whether the sensor, wiring, or control module needs replacement.

8. Can I clear the C1703 code without fixing it?

Clearing the code without fixing the issue may temporarily reset the warning, but the code will likely return if the underlying problem isn’t resolved.

9. What tools are needed to repair a C1703 code?

You’ll need a scan tool or OBDII code reader, a multimeter, and basic tools for removing and inspecting the sensor and wiring.

10. Could a dirty sensor cause the C1703 code?

Yes, dirt or debris on the sensor can interfere with its operation, so cleaning the sensor may resolve the issue if no other damage is present.

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