AutoCodesGeneric – C1055

C1055 Code - Left Rear Inlet Solenoid Circuit Failure

Quick Answer

The Anti-Lock Brake System (ABS) / Electronic Stability Program (ESP®) Control Module monitors the output from the solenoid valve. Common causes include Faulty Anti-Lock Brake System (ABS) / Electronic Stability Program (ESP®) Control Module, ABS / ESP® Control Module harness is open or shorted, ABS / ESP® Control Module 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
C1055 indicates Left Rear Inlet Solenoid Circuit Failure.
Common causes
Common causes include Faulty Anti-Lock Brake System (ABS) / Electronic Stability Program (ESP®) Control Module, ABS / ESP® Control Module harness is open or shorted, ABS / ESP® Control Module 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 5,528
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 11, 2020
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Code C1055 Description

The Anti-Lock Brake System (ABS) / Electronic Stability Program (ESP®) Control Module monitors the output from the solenoid valve. When the output of each solenoid valve exceeds the specified value compared with the signal sent from ABS (ESP®) control module, this Diagnostic Trouble Code (DTC) is set.
OBDII Code C1055 - Left Rear Inlet Solenoid Circuit Failure - AutoCodes.com
C1055 Code - Left Rear Inlet Solenoid Circuit Failure

What are the Possible Causes of the DTC C1055?

  • Faulty Anti-Lock Brake System (ABS) / Electronic Stability Program (ESP®) Control Module
  • ABS / ESP® Control Module harness is open or shorted
  • ABS / ESP® Control Module circuit poor electrical connection

How to Fix the DTC C1055?

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 C1055 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 C1055 code?

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Need Help with the Code?

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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 C1055 Code

1. What are the common symptoms of OBDII code C1055 (Left Rear Inlet Solenoid Circuit Failure)?

- Common symptoms include the ABS warning light illuminating on the dashboard, loss of ABS functionality, and potential issues with traction control.

2. What are some possible causes of OBDII code C1055?

- Possible causes include a faulty left rear inlet solenoid, damaged wiring or connectors in the circuit, or issues with the ABS control module.

3. How can I diagnose the cause of OBDII code C1055?

- Diagnosis typically involves using a professional OBDII scanner to retrieve the specific trouble code, inspecting the left rear inlet solenoid and its wiring for damage, and testing the circuit for continuity.

4. Can I drive my vehicle with OBDII code C1055 present?

- It is not recommended to drive the vehicle with this code present, as it may lead to loss of ABS functionality and potentially compromise vehicle safety.

5. How can I repair OBDII code C1055 at home?

- Repairing this code may involve replacing the left rear inlet solenoid, repairing or replacing damaged wiring or connectors, and clearing the trouble code with an OBDII scanner.

6. Is it safe to continue driving if the ABS warning light is on due to code C1055?

- It is not safe to continue driving, as the ABS system may not function properly, potentially affecting braking performance and vehicle stability.

7. How much does it cost to repair OBDII code C1055 at a mechanic or dealership?

- Repair costs can vary depending on the specific cause of the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can OBDII code C1055 be intermittent or permanent?

- This code can be intermittent if the issue is not constant, but it is important to diagnose and repair it to ensure the ABS system functions properly at all times.

9. Will resetting the trouble code make OBDII code C1055 disappear permanently?

- Resetting the trouble code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear after some driving cycles.

10. Are there any safety concerns associated with OBDII code C1055?

- Yes, there are safety concerns as the code indicates a failure in the left rear inlet solenoid circuit, potentially affecting ABS functionality and overall vehicle stability and control.

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