C1391 - Abnormal Leak Of Accumulator Pressure

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

C1391 Possible Causes

  • Fluid Leakage
  • Faulty Brake Actuator Assembly
  • Brake Actuator Assembly harness is open or shorted
  • Brake Actuator Assembly circuit poor electrical connection

How do I fix code C1391?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the C1391 code

Labor: 1.0

The cost of diagnosing the C1391 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C1391 Description

The Diagnostic Trouble Code (DTC) is stored if a brake fluid, internal or other leak is detected due to improper sealing in the actuator. Internal leakage is suspected if the pump motor operates frequently without breaking.
OBDII Code C1391 - Abnormal Leak Of Accumulator Pressure - AutoCodes.com

C1391 More Information

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Comments

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