AutoCodes – Generic – C1095

C1095 Code - ABS Hydraulic Pump Motor Circuit Failure

Quick Answer

The Anti-Lock Brake System (ABS) prevents wheel lock-up by monitoring the wheel speed sensors and actuating Hydraulic Control Unit (HCU) modulating the brake pressure to prevent wheel lockup. Common causes include Low Brake Fluid, Faulty ABS Hydraulic Pump Motor, ABS Hydraulic Pump Motor harness is open or shorted. 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
C1095 indicates ABS Hydraulic Pump Motor Circuit Failure.
Common causes
Common causes include Low Brake Fluid, Faulty ABS Hydraulic Pump Motor, ABS Hydraulic Pump Motor harness is open or shorted.
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 13,461
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 C1095 Description

The Anti-Lock Brake System (ABS) prevents wheel lock-up by monitoring the wheel speed sensors and actuating Hydraulic Control Unit (HCU) modulating the brake pressure to prevent wheel lockup. By preventing the wheels from locking up, the driver is able to maintain steering control and stop in the shortest possible distance under most conditions. The traction control system is controlled by the Powertrain Control Module (PCM) and utilizes the ABS module for wheel speed information only. Engine Only Traction Control (EOTC) helps maintain vehicle control during acceleration by modulating engine torque when driving on slippery or loose surfaces.
The ABS Module monitors the ABS Hydraulic Pump Motor. The ABS Module sets the OBDII code when the ABS Hydraulic Pump Motor is not to factory specifications.
OBDII Code C1095 - ABS Hydraulic Pump Motor Circuit Failure - AutoCodes.com
C1095 Code - ABS Hydraulic Pump Motor Circuit Failure

What are the Possible Causes of the DTC C1095?

  • Low Brake Fluid
  • Faulty ABS Hydraulic Pump Motor
  • ABS Hydraulic Pump Motor harness is open or shorted
  • ABS Hydraulic Pump Motor circuit poor electrical connection

How to Fix the DTC C1095?

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 C1095 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 C1095 code?

Need more information on how to fix the C1095 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1095 code diagnosed by a professional: Find a repair shop in your area

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 C1095 Code

1. What are the common symptoms of OBDII code C1095 (ABS Hydraulic Pump Motor Circuit Failure)?

- Common symptoms include the ABS warning light illuminating on the dashboard, potential loss of ABS functionality, and unusual braking behavior.

2. What are the possible causes of OBDII code C1095?

- The code may be triggered by 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 OBDII code C1095?

- Diagnosing this code typically involves using a professional OBDII scanner to retrieve the fault codes, performing a visual inspection of the ABS system components, and conducting tests to pinpoint the issue.

4. Can I continue driving my vehicle with OBDII code C1095?

- It is not recommended to drive your vehicle with this code active, as it may compromise the functionality of the ABS system, potentially affecting the vehicle's braking performance and safety.

5. How can I repair OBDII code C1095?

- Repairing this code often involves replacing the faulty ABS hydraulic pump motor, repairing or replacing damaged wiring or connectors, or addressing any issues with the ABS control module.

6. Are there any DIY tips for addressing OBDII code C1095?

- DIY enthusiasts with the necessary skills and tools may attempt to inspect the ABS system components, check for loose connections, and perform basic troubleshooting before seeking professional help.

7. Is it safe to reset the OBDII code C1095 without fixing the underlying issue?

- Resetting the code without addressing the root cause may temporarily turn off the warning light, but the issue will likely reappear, potentially leading to safety risks due to impaired ABS system functionality.

8. How much does it typically cost to repair OBDII code C1095?

- The cost of repairing this code can vary depending on the specific issue, the vehicle make and model, and labor rates. It is advisable to consult a professional mechanic for an accurate estimate.

9. Can extreme weather conditions affect OBDII code C1095?

- Extreme temperature fluctuations and moisture can potentially exacerbate issues related to ABS hydraulic pump motor circuit failure, so it's important to address any underlying problems promptly.

10. How can regular maintenance help prevent OBDII code C1095?

- Regular maintenance, including periodic inspections of the ABS system components, can help detect potential issues early and prevent OBDII code C1095 from occurring.

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