C1471 - Brake System Volume Consumption Plausibility Failure

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Brake System Bleeding
  • Faulty Brake Master Cylinder
  • Faulty Hydraulic Control Unit (HCU)
  • Hydraulic Control Unit (HCU) harness is open or shorted
  • Hydraulic Control Unit (HCU) circuit poor electrical connection

Possible symptoms

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

C1471 Description

The Hydraulic Control Unit (HCU) monitors the Brake Master Cylinder. The HCU sets the OBDII code when the Brake Master Cylinder is not to factory specifications.
OBDII Code C1471 - Brake System Volume Consumption Plausibility Failure - AutoCodes.com

C1471 Information for specific makes

  • C1471 FORD Brake System Volume Consumption Plausibility Failure
  • C1471 LINCOLN Brake System Volume Consumption Plausibility Failure
  • C1471 MERCURY Brake System Volume Consumption Plausibility Failure

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C1471 Comments

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