AutoCodes – Toyota – C1627 Toyota

C1627 Toyota Code - Vehicle Height Sensor Voltage Is Low Or High

Quick Answer

The rear height control sensor sub-assembly RH and headlight leveling ECU assembly are connected to the Parking Assist ECU. Common causes include Faulty Vehicle Height Sensor, Vehicle Height Sensor harness is open or shorted, Vehicle Height 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
C1627 Toyota indicates Vehicle Height Sensor Voltage Is Low Or High.
Common causes
Common causes include Faulty Vehicle Height Sensor, Vehicle Height Sensor harness is open or shorted, Vehicle Height 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,334
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 15, 2020
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Code C1627 Toyota Description

The rear height control sensor sub-assembly RH and headlight leveling ECU assembly are connected to the Parking Assist ECU. The Parking Assist ECU shares the vehicle height signals received from the rear height control sensor sub-assembly RH with the lighting system (auto leveling). The headlight leveling ECU assembly supplies power to the rear height control sensor sub-assembly RH via the Parking Assist ECU. This DTC is stored when the Parking Assist ECU judges that the power supply voltage for the rear height control sensor sub-assembly RH is too low or too high.
OBDII Code C1627 Toyota - Vehicle Height Sensor Voltage Is Low Or High - AutoCodes.com
C1627 Toyota Code - Vehicle Height Sensor Voltage Is Low Or High

What are the Possible Causes of the DTC C1627 Toyota?

  • Faulty Vehicle Height Sensor
  • Vehicle Height Sensor harness is open or shorted
  • Vehicle Height Sensor circuit poor electrical connection
  • Faulty Parking Assist ECU

How to Fix the DTC C1627 Toyota?

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 C1627 Toyota 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.

Need more information about the C1627 Toyota code?

Need more information on how to fix the C1627 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1627 Toyota code diagnosed by a professional: Find a repair shop in your area

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 C1627 Toyota Code

1. What are the common symptoms of OBDII code C1627 Toyota related to the vehicle height sensor voltage being low or high?

The common symptoms include abnormal ride height, dashboard warning lights related to suspension systems, and potential issues with the vehicle's stability and handling.

2. What can cause the vehicle height sensor voltage to be too low or high, triggering OBDII code C1627 in a Toyota?

Potential causes include faulty height sensors, wiring issues, damaged sensor connectors, suspension system malfunctions, or electronic control module (ECM) failures.

3. How can I diagnose the root cause of OBDII code C1627 in my Toyota related to the vehicle height sensor voltage?

Diagnosing the issue involves conducting a visual inspection of the height sensor and its wiring, checking for loose connections, performing electronic tests using a diagnostic scanner, and potentially testing the sensor's voltage output.

4. What are the repair options for fixing OBDII code C1627 in a Toyota due to vehicle height sensor voltage problems?

Repair options may include replacing the faulty height sensor, repairing damaged wiring or connectors, resetting the electronic control module (ECM), or recalibrating the suspension system using specialized equipment.

5. Can I drive my Toyota safely with OBDII code C1627 indicating a vehicle height sensor voltage issue?

It is not recommended to drive the vehicle with unresolved suspension system issues as it can impact safety, handling, and overall vehicle performance. It is advisable to address the problem promptly.

6. How critical is it to address OBDII code C1627 in a Toyota related to vehicle height sensor voltage concerns?

Ignoring this code can lead to potential safety hazards, compromised suspension performance, and further damage to the vehicle's electronic systems. It is important to address the issue promptly.

7. Are there any DIY tips for troubleshooting OBDII code C1627 in a Toyota without specialized equipment?

While basic visual inspections and checking for loose connections are possible, diagnosing and repairing issues related to vehicle height sensor voltage typically require professional diagnostic tools and expertise.

8. Can extreme weather conditions or off-road driving impact the vehicle height sensor voltage, triggering OBDII code C1627 in a Toyota?

Extreme weather conditions or rigorous off-road driving can potentially impact the suspension system and height sensor performance, leading to voltage irregularities and triggering the OBDII code.

9. How much does it typically cost to repair OBDII code C1627 in a Toyota caused by vehicle height sensor voltage issues?

Repair costs can vary depending on the specific problem, the need for parts replacement, labor fees, and dealership vs. independent shop rates. It is advisable to obtain estimates from qualified mechanics.

10. Is it possible for a temporary glitch or minor issue to trigger OBDII code C1627 in a Toyota related to vehicle height sensor voltage?

Yes, intermittent electrical faults, sensor malfunctions, or temporary wiring issues can sometimes trigger the code. However, it is important to investigate and address the underlying cause to prevent reoccurrence.

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