AutoCodes – Lexus – C1712 Lexus

C1712 Lexus Code - Front Height Control Sensor Left Circuit Malfunction

Quick Answer

Inside each sensor, a brush integrated with the control sensor rotor shaft moves above the resister, providing linear output. Common causes include Faulty Front Height Control Sensor Left, Front Height Control Sensor Left harness is open or shorted, Front Height Control Sensor Left 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
C1712 Lexus indicates Front Height Control Sensor Left Circuit Malfunction.
Common causes
Common causes include Faulty Front Height Control Sensor Left, Front Height Control Sensor Left harness is open or shorted, Front Height Control Sensor Left 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.
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Code Popularity 4,366
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 17, 2020
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Code C1712 Lexus Description

Inside each sensor, a brush integrated with the control sensor rotor shaft moves above the resister, providing linear output. The resistance value between the brush and resistor terminal changes in proportion to the shaft rotation angle, so the fixed voltage applied to the resistor by the ECU is modified by the sensor and output to the ECU as a voltage indication the shaft rotation angle.
OBDII Code C1712 Lexus - Front Height Control Sensor Left Circuit Malfunction - AutoCodes.com
C1712 Lexus Code - Front Height Control Sensor Left Circuit Malfunction

What are the Possible Causes of the DTC C1712 Lexus?

  • Faulty Front Height Control Sensor Left
  • Front Height Control Sensor Left harness is open or shorted
  • Front Height Control Sensor Left circuit poor electrical connection

How to Fix the DTC C1712 Lexus?

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 C1712 Lexus 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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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 C1712 Lexus Code

1. What are common symptoms of OBDII code C1712 in a Lexus related to the Front Height Control Sensor Left Circuit Malfunction?

Common symptoms include uneven ride height, abnormal suspension behavior, and dashboard warning lights related to the height control system.

2. What are possible causes of the Front Height Control Sensor Left Circuit Malfunction (code C1712) in a Lexus?

Potential causes include a faulty height control sensor, damaged wiring or connectors, sensor calibration issues, or problems with the suspension system.

3. How can I diagnose the Front Height Control Sensor Left Circuit Malfunction (code C1712) in my Lexus?

Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, visually inspecting the sensor and its wiring, checking for loose connections, and performing sensor calibration if necessary.

4. Can I continue driving my Lexus with OBDII code C1712 related to the Front Height Control Sensor Left Circuit Malfunction?

While the vehicle may still be drivable, it is not recommended to ignore this issue as it can affect the suspension system's performance and potentially lead to safety concerns. It's best to have the problem diagnosed and repaired promptly.

5. How can I reset the OBDII code C1712 in my Lexus after repairing the Front Height Control Sensor Left Circuit Malfunction?

After fixing the underlying issue, you can reset the fault code using an OBDII scanner or by disconnecting the car's battery for a few minutes to clear the error code.

6. Is it possible to repair the Front Height Control Sensor Left Circuit Malfunction (code C1712) in my Lexus by myself?

Depending on your experience and access to tools, you may be able to address this issue yourself by checking and repairing wiring connections, replacing the sensor if needed, or performing sensor calibration. However, if you're unsure, it's best to consult a professional mechanic.

7. Will the Front Height Control Sensor Left Circuit Malfunction (code C1712) affect the vehicle's drivability?

While the immediate impact on drivability may be minimal, the malfunction can lead to stability and handling issues, especially when driving over uneven surfaces or making turns. It's essential to address this problem to ensure safe driving conditions.

8. How much does it typically cost to repair the Front Height Control Sensor Left Circuit Malfunction (code C1712) in a Lexus?

The cost of repairing this issue can vary depending on the exact cause of the malfunction, the need for parts replacement, and labor costs. It's recommended to obtain quotes from different repair shops to compare prices.

9. Can extreme weather conditions or rough driving conditions trigger OBDII code C1712 related to the Front Height Control Sensor Left Circuit Malfunction in a Lexus?

Extreme weather conditions or rough driving can potentially contribute to sensor damage or wiring issues, leading to the triggering of this fault code. It's essential to drive cautiously and have your vehicle inspected regularly, especially if exposed to harsh conditions.

10. How often should I check the Front Height Control Sensor and related components in my Lexus to prevent OBDII code C1712 from appearing?

Regular maintenance and inspection of the height control sensor, wiring, and suspension components are recommended as part of routine vehicle care. Checking these components during scheduled service intervals can help prevent issues like code C1712 from occurring.

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