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Engine-Codes – Generic – C1096

C1096 Code - ABS Hydraulic Pump Motor Circuit Open

Quick Answer

The C1096 diagnostic trouble code (DTC) indicates an issue with the ABS (anti-lock braking system) hydraulic pump motor circuit being open. Common causes include Faulty ABS hydraulic pump motor, Corroded or damaged electrical connectors or wiring, Blown fuse related to the ABS system. 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
C1096 indicates ABS Hydraulic Pump Motor Circuit Open.
Common causes
Common causes include Faulty ABS hydraulic pump motor, Corroded or damaged electrical connectors or wiring, Blown fuse related to the ABS system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code C1096 Description

The C1096 diagnostic trouble code (DTC) indicates an issue with the ABS (anti-lock braking system) hydraulic pump motor circuit being open. The ABS system is designed to prevent wheel lock-up during braking, allowing the driver to maintain control of the vehicle. The hydraulic pump motor is a crucial component of the ABS system as it generates hydraulic pressure to modulate the brakes. When the circuit for the motor is open, it means that there is a break in the electrical connection, preventing the motor from functioning properly.

OBDII Code C1096 - ABS Hydraulic Pump Motor Circuit Open
C1096 Code - ABS Hydraulic Pump Motor Circuit Open

Common Causes of C1096

  1. Faulty ABS hydraulic pump motor.
  2. Corroded or damaged electrical connectors or wiring.
  3. Blown fuse related to the ABS system.
  4. Faulty ABS control module.
  5. Issues with the ABS relay or fuse.

Symptoms of C1096

  1. Illumination of the ABS warning light on the dashboard.
  2. Increased stopping distances during braking.
  3. Loss of ABS functionality, leading to wheel lock-up during braking.
  4. Unusual noises coming from the ABS hydraulic pump motor.

How to Fix C1096

  1. Begin by inspecting the ABS hydraulic pump motor, connectors, and wiring for any visible damage or corrosion.
  2. Test the electrical connections using a multimeter to determine if there is an open circuit.
  3. Check and replace any blown fuses related to the ABS system.
  4. If the issue persists, consider replacing the ABS hydraulic pump motor or the ABS control module, if necessary.
  5. Clear the DTC with a scan tool and test drive the vehicle to ensure the ABS system is functioning properly.

Cost to Fix C1096

The cost of repairing an ABS hydraulic pump motor circuit open issue can vary depending on the root cause of the problem and the cost of parts and labor. On average, the repair cost for this issue can range from $200 to $600, including parts and labor. However, it is important to note that specific diagnosis time and labor rates can vary between auto repair shops. It is recommended to get quotes from multiple shops to determine the most cost-effective option for resolving this problem.

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Code C1096 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 C1096 Code

1. What are the common symptoms of OBDII code C1096 (ABS Hydraulic Pump Motor Circuit Open)?

The common symptoms include the ABS warning light illuminating on the dashboard, loss of ABS functionality, and potential issues with the vehicle's braking system.

2. What are the possible causes of OBDII code C1096?

Potential causes include a faulty ABS hydraulic pump motor, damaged wiring or connectors in the ABS system, or a malfunctioning ABS control module.

3. How can I diagnose the ABS hydraulic pump motor circuit open issue?

Diagnosis involves using a scan tool to retrieve the specific trouble code, inspecting the wiring and connectors for any damage, and testing the ABS hydraulic pump motor for proper function.

4. Is it safe to drive with OBDII code C1096 present?

It is not recommended to drive the vehicle with this code present, as it may affect the proper operation of the ABS system, potentially compromising braking performance in certain situations.

5. Can I reset the OBDII code C1096 without fixing the issue?

Resetting the code without addressing the underlying problem will only temporarily clear the warning light, but the issue will likely reoccur once the problem persists.

6. How can I repair the ABS hydraulic pump motor circuit open issue?

Repair typically involves replacing the faulty ABS hydraulic pump motor, repairing or replacing damaged wiring or connectors, or addressing any issues with the ABS control module.

7. Are there any DIY tips for fixing OBDII code C1096?

While some basic troubleshooting like checking for loose connections can be done, diagnosing and repairing this issue often requires specialized tools and expertise, so it is recommended to seek professional help.

8. How much does it cost to repair OBDII code C1096?

The cost of repair can vary depending on the specific cause of the issue, the extent of the damage, and the labor rates of the repair shop. It is advisable to obtain multiple quotes for an accurate estimate.

9. Will OBDII code C1096 cause a vehicle to fail an emissions test?

The ABS hydraulic pump motor circuit open issue is not directly related to emissions, so it should not cause the vehicle to fail an emissions test. However, it is still important to address the problem for safety reasons.

10. Can OBDII code C1096 be intermittent or permanent?

The code can be intermittent if the issue is sporadic, such as loose wiring connections. However, if the problem is more severe, it may be a permanent fault that requires immediate attention.

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