AutoCodesMercury – C1095 Mercury

C1095 Mercury 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 Mercury 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.
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Code Popularity 3,420
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 Mercury 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 Mercury - ABS Hydraulic Pump Motor Circuit Failure - AutoCodes.com
C1095 Mercury Code - ABS Hydraulic Pump Motor Circuit Failure

What are the Possible Causes of the DTC C1095 Mercury?

  • 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 Mercury?

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 Mercury 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 C1095 Mercury Code

1. What does the OBDII code C1095 mean on a Mercury?

C1095 indicates an ABS Hydraulic Pump Motor Circuit Failure, meaning there’s an issue with the electrical circuit that powers the ABS pump motor.

2. What are the common symptoms of the C1095 code in a Mercury?

Symptoms include the ABS warning light illuminated, reduced or no ABS functionality, and in some cases, a loss of traction control.

3. What causes the C1095 code to appear on a Mercury?

Common causes include a faulty ABS pump motor, damaged wiring or connectors, a blown fuse, or a malfunctioning ABS control module.

4. Can you still drive a Mercury with a C1095 code?

Yes, you can drive the vehicle, but the ABS system may not function properly, reducing braking performance in slippery or emergency situations.

5. How do you diagnose a C1095 code on a Mercury?

Start by checking the ABS pump motor fuse, inspecting wiring and connectors for damage, and testing the pump motor and control module with a multimeter.

6. What repairs can fix the C1095 code on a Mercury?

Repairs may include replacing the ABS pump motor, repairing or replacing damaged wiring, or replacing the ABS control module if it’s faulty.

7. How much does it cost to fix a C1095 code on a Mercury?

Repair costs vary, but replacing the ABS pump motor typically ranges from $300 to $700, depending on labor and parts.

8. Can a dead ABS pump motor trigger the C1095 code?

Yes, a non-functioning or failing ABS pump motor is one of the primary causes of this code.

9. Will clearing the C1095 code fix the problem?

Clearing the code will temporarily remove the warning, but if the underlying issue isn’t fixed, the code will return.

10. What tools are needed to troubleshoot the C1095 code on a Mercury?

You’ll need an OBDII scanner, a multimeter for testing electrical components, and possibly wiring diagrams for your vehicle.

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