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C1713 Lexus Code - Rear Height Control Sensor Circuit Malfunction

Quick Answer

The C1713 code for Lexus vehicles indicates a Rear Height Control Sensor Circuit Malfunction. Common causes include Damaged wiring: The wiring connecting the rear height control sensor to the suspension control module may be damaged or frayed, causing a circuit malfunction, Faulty sensor: The rear height control sensor itself may be faulty or malfunctioning, providing incorrect data to the suspension control module, Suspension control module issue: A problem with the suspension control module, such as a software glitch or hardware failure, can disrupt communication with the rear height control sensor. 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
C1713 Lexus indicates Rear Height Control Sensor Circuit Malfunction.
Common causes
Common causes include Damaged wiring: The wiring connecting the rear height control sensor to the suspension control module may be damaged or frayed, causing a circuit malfunction, Faulty sensor: The rear height control sensor itself may be faulty or malfunctioning, providing incorrect data to the suspension control module, Suspension control module issue: A problem with the suspension control module, such as a software glitch or hardware failure, can disrupt communication with the rear height control sensor.
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 C1713 Lexus Description

The C1713 code for Lexus vehicles indicates a Rear Height Control Sensor Circuit Malfunction. This code is related to the vehicle's air suspension system, specifically the sensors that monitor and control the height of the rear suspension. The height control sensor is responsible for measuring the ride height of the vehicle and sending this data to the suspension control module. This information is crucial for the system to adjust the suspension to maintain optimal ride quality, handling, and stability.

OBDII Code C1713 Lexus - Rear Height Control Sensor Circuit Malfunction
C1713 Lexus Code - Rear Height Control Sensor Circuit Malfunction

Common Causes of C1713 Lexus

  1. Damaged wiring: The wiring connecting the rear height control sensor to the suspension control module may be damaged or frayed, causing a circuit malfunction.
  2. Faulty sensor: The rear height control sensor itself may be faulty or malfunctioning, providing incorrect data to the suspension control module.
  3. Suspension control module issue: A problem with the suspension control module, such as a software glitch or hardware failure, can disrupt communication with the rear height control sensor.
  4. Poor connection: A loose or poor connection between the sensor, wiring, or suspension control module can lead to a circuit malfunction and trigger the C1713 code.

Repair:

  1. Diagnosis: Begin by using a diagnostic scanner to retrieve the fault codes and pinpoint the issue with the rear height control sensor circuit.
  2. Visual inspection: Inspect the wiring harness, sensor, and suspension control module for any visible damage, corrosion, or loose connections.
  3. Testing: Conduct electrical tests to check the continuity of the wiring, the functionality of the sensor, and the communication between components.
  4. Repair or replacement: Repair any damaged wiring, replace a faulty sensor, or address any issues with the suspension control module as needed to resolve the circuit malfunction.
  5. Clear codes: Once the repair is complete, clear the fault codes from the system and test drive the vehicle to ensure the issue has been resolved.

Symptoms of C1713 Lexus

  1. Uneven ride height: The vehicle may exhibit uneven ride height, with one side of the rear suspension sitting lower or higher than the other.
  2. Harsh ride quality: The suspension may feel stiffer or harsher than usual, leading to a bumpy and uncomfortable ride.
  3. Warning light: The suspension warning light on the dashboard may illuminate to alert the driver of a potential issue with the rear height control sensor circuit.
  4. Poor handling: The vehicle may experience poor handling, including increased body roll, sway, or instability during cornering or maneuvering.

How to Fix C1713 Lexus

  1. Diagnosis: Begin by using a diagnostic scanner to retrieve the fault codes and pinpoint the issue with the rear height control sensor circuit.
  2. Visual inspection: Inspect the wiring harness, sensor, and suspension control module for any visible damage, corrosion, or loose connections.
  3. Testing: Conduct electrical tests to check the continuity of the wiring, the functionality of the sensor, and the communication between components.
  4. Repair or replacement: Repair any damaged wiring, replace a faulty sensor, or address any issues with the suspension control module as needed to resolve the circuit malfunction.
  5. Clear codes: Once the repair is complete, clear the fault codes from the system and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C1713 Lexus

The cost of repairing a C1713 code for a Lexus rear height control sensor circuit malfunction can vary depending on the specific issue and the labor rates at the auto repair shop. Typically, the repair costs for this issue can range from $200 to $500, including parts and labor. Keep in mind that labor rates can vary between $80 and $150 per hour, and additional diagnosis time may be needed to pinpoint the exact cause of the problem. It is advisable to consult with a trusted mechanic or repair shop for a more accurate estimate based on your vehicle's make and model, as well as the extent of the repair needed.

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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 C1713 Lexus Code

1. What are the common symptoms of OBDII code C1713 in a Lexus related to the Rear Height Control Sensor Circuit Malfunction?

- Common symptoms include an illuminated warning light on the dashboard indicating an issue with the rear height control system, abnormal ride height adjustments, and potential suspension issues.

2. What are the possible causes of the C1713 code in a Lexus?

- The code C1713 in a Lexus is often caused by a faulty rear height control sensor, damaged wiring or connectors in the sensor circuit, or issues with the rear height control module.

3. How can I diagnose the Rear Height Control Sensor Circuit Malfunction in my Lexus when the C1713 code is triggered?

- Proper diagnosis involves using an OBDII scanner to retrieve the specific trouble code, visually inspecting the sensor and its wiring for any visible damage, and performing electrical tests to check for continuity and proper voltage.

4. Can I still drive my Lexus with the C1713 code indicating a Rear Height Control Sensor Circuit Malfunction?

- It is not recommended to drive your Lexus with the C1713 code present, as it can affect the vehicle's suspension system and overall ride quality. It is best to address the issue promptly to avoid further damage.

5. What are some DIY repair tips for fixing the C1713 code in a Lexus?

- DIY repair tips include checking and cleaning the sensor connectors, inspecting the wiring harness for any signs of wear or damage, and resetting the system after making any necessary repairs.

6. How much does it typically cost to repair the Rear Height Control Sensor Circuit Malfunction in a Lexus triggering the C1713 code?

- The cost of repairing the C1713 code in a Lexus can vary depending on the exact cause of the issue, but it may range from $200 to $500 for parts and labor at a dealership or qualified repair shop.

7. Can resetting the OBDII system clear the C1713 code in a Lexus with a Rear Height Control Sensor Circuit Malfunction?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the C1713 code is not addressed, it is likely to reappear after driving the vehicle for a short period.

8. Is it necessary to replace the Rear Height Control Sensor in a Lexus when the C1713 code is triggered?

- In many cases, replacing the faulty rear height control sensor is necessary to resolve the C1713 code and restore proper function to the rear height control system in a Lexus.

9. Can extreme weather conditions affect the triggering of the C1713 code in a Lexus?

- Extreme weather conditions, such as heavy rain or extreme cold, can potentially affect the rear height control sensor circuit and trigger the C1713 code due to increased moisture or temperature fluctuations.

10. How long does it typically take to repair the Rear Height Control Sensor Circuit Malfunction triggering the C1713 code in a Lexus?

- The repair time for addressing the C1713 code in a Lexus can vary based on the extent of the issue, but it may take a few hours to a full day for diagnosis, parts replacement, and system testing.

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