AutoCodes – Toyota – C1787 Toyota

C1787 Toyota Code - Absorber Control Switch Circuit

Quick Answer

This circuit is sending the signal to the Suspension Control ECU to switch over to the damping mode select by the damping mode select switch. Common causes include Faulty Absorber Control Switch, Absorber Control Switch harness is open or shorted, Absorber Control Switch 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: C1787 Toyota indicates Absorber Control Switch Circuit.
Common causes: Common causes include Faulty Absorber Control Switch, Absorber Control Switch harness is open or shorted, Absorber Control Switch 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 2,867

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1787 Toyota Description

This circuit is sending the signal to the Suspension Control ECU to switch over to the damping mode select by the damping mode select switch.

OBDII Code C1787 Toyota - Absorber Control Switch Circuit - AutoCodes.com — C1787 Toyota Code - Absorber Control Switch Circuit

What does this mean?

What are the Possible Causes of the DTC C1787 Toyota?

Faulty Absorber Control Switch
Absorber Control Switch harness is open or shorted
Absorber Control Switch circuit poor electrical connection
Faulty Suspension Control ECU

How to Fix the DTC C1787 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 C1787 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.

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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 C1787 Toyota Code

1. What are common symptoms of OBDII code C1787 in a Toyota related to the Absorber Control Switch Circuit?

- Common symptoms include the ABS warning light being illuminated on the dashboard, ABS system malfunctions, and potential loss of traction control.

2. What could cause OBDII code C1787 in a Toyota related to the Absorber Control Switch Circuit?

- Possible causes include a faulty absorber control switch, damaged wiring or connectors in the circuit, or a malfunctioning ABS control module.

3. How can I diagnose OBDII code C1787 in a Toyota related to the Absorber Control Switch Circuit?

- Diagnosis involves using an OBDII scanner to retrieve the specific code, inspecting the absorber control switch and related components, and testing the circuit for continuity and proper voltage.

4. Can I continue driving my Toyota with OBDII code C1787 related to the Absorber Control Switch Circuit?

- It is not recommended to drive the vehicle with this code present, as it can affect the proper functioning of the ABS system and compromise overall safety.

5. What repairs are typically needed to fix OBDII code C1787 in a Toyota related to the Absorber Control Switch Circuit?

- Repairs may involve replacing the faulty absorber control switch, repairing or replacing damaged wiring or connectors, or addressing any issues with the ABS control module.

6. Is it possible to reset OBDII code C1787 in a Toyota related to the Absorber Control Switch Circuit without repairs?

- While clearing the code with an OBDII scanner may temporarily turn off the warning light, the underlying issue causing the code will likely persist until properly addressed.

7. Are there any preventative maintenance tips to avoid OBDII code C1787 in a Toyota related to the Absorber Control Switch Circuit?

- Regularly inspecting the ABS system, checking for any signs of wear or damage, and promptly addressing any issues can help prevent this code from occurring.

8. Is OBDII code C1787 related to the Absorber Control Switch Circuit a common issue in Toyota vehicles?

- While not as common as some other OBDII codes, issues with the Absorber Control Switch Circuit can occur in Toyota vehicles, particularly in older models or those with high mileage.

9. Can a DIY enthusiast with basic automotive knowledge repair OBDII code C1787 in a Toyota related to the Absorber Control Switch Circuit?

- Depending on the specific issue causing the code, some repairs related to the Absorber Control Switch Circuit may be within reach for DIY enthusiasts, but more complex issues may require professional assistance.

10. Does fixing OBDII code C1787 related to the Absorber Control Switch Circuit require specialized tools or equipment for a Toyota?

- Basic tools such as a multimeter, wiring diagram, and OBDII scanner are typically sufficient to diagnose and repair issues related to the Absorber Control Switch Circuit in a Toyota.