AutoCodes – Generic – C0256

C0256 Code - SRL Solenoid Circuit

Quick Answer

This solenoid is turned on in accordance with signals from the skid control ECU and controls the pressure on the wheel cylinders to control the braking force. Common causes include ABS actuator, SRLR or SRLH circuit. 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: C0256 indicates SRL Solenoid Circuit.
Common causes: Common causes include ABS actuator, SRLR or SRLH circuit.
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 8,457

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 Jun 04, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0256 Description

This solenoid is turned on in accordance with signals from the skid control ECU and controls the pressure on the wheel cylinders to control the braking force.
The solenoid and solenoid relay are built into the ABS and TRACTION actuator.

OBDII Code C0256 - SRL Solenoid Circuit - AutoCodes.com — C0256 Code - SRL Solenoid Circuit

What does this mean?

What are the Possible Causes of the DTC C0256?

ABS actuator
SRLR or SRLH circuit

How to Fix the DTC C0256?

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 C0256 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 C0256 code?

Need more information on how to fix the C0256 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0256 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C0256 Lexus — SRL Solenoid Circuit
C0256 Scion — SRL Solenoid Circuit
C0256 Toyota — SRL Solenoid Circuit

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 C0256 Code

1. What are common symptoms of OBDII code C0256 (SRL Solenoid Circuit)?

- Common symptoms include issues with the vehicle's automatic transmission shifting, poor fuel efficiency, and the Check Engine light being illuminated.

2. What are the possible causes of OBDII code C0256?

- The code C0256 can be caused by a faulty SRL (Shift Range Limit) solenoid, damaged wiring or connectors in the solenoid circuit, or issues with the transmission control module.

3. How can I diagnose the cause of OBDII code C0256?

- To diagnose code C0256, you can use an OBDII scanner to read the code and perform a thorough inspection of the SRL solenoid, wiring, and connectors. Testing the solenoid's resistance and checking for any loose or damaged connections can help pinpoint the issue.

4. Is it safe to continue driving with OBDII code C0256 present?

- It is not recommended to continue driving with code C0256 present, as it can lead to further damage to the transmission system. It is best to address the issue promptly to avoid more severe problems.

5. What are some repair tips for fixing OBDII code C0256?

- Repairing OBDII code C0256 may involve replacing the faulty SRL solenoid, repairing damaged wiring or connectors, or reprogramming the transmission control module. It is advisable to follow the manufacturer's repair guidelines for your specific vehicle.

6. Can a DIY enthusiast fix OBDII code C0256 at home?

- Depending on your skill level and access to tools, a DIY enthusiast may be able to address OBDII code C0256 at home by following repair manuals and guides specific to their vehicle. However, if unsure, it is recommended to seek professional help.

7. How much does it cost to repair OBDII code C0256?

- The cost of repairing OBDII code C0256 can vary depending on the vehicle make and model, the extent of the damage, and whether you choose to do the repair yourself or go to a mechanic. Costs can range from a few hundred dollars to over a thousand.

8. Can OBDII code C0256 cause other issues if left untreated?

- If left untreated, OBDII code C0256 can cause further damage to the transmission system, leading to more expensive repairs down the line. It is important to address the issue promptly to prevent additional problems.

9. How long does it typically take to repair OBDII code C0256?

- The time it takes to repair OBDII code C0256 can vary depending on the specific cause of the issue, the availability of parts, and whether you are doing the repair yourself or taking the vehicle to a mechanic. Repairs can range from a few hours to a full day.

10. Is it possible for OBDII code C0256 to reappear after being repaired?

- If the root cause of OBDII code C0256 is not properly addressed, it is possible for the code to reappear after being repaired. It is essential to diagnose the issue accurately and follow proper repair procedures to prevent recurrence.