AutoCodesFord – C1474 Ford

C1474 Ford Code - High Pressure Accumulator Sensor Calibration Data Failure

Quick Answer

The Hydraulic Control Unit (HCU) monitors the High Pressure Accumulator (HPA) Sensor. Common causes include Faulty High Pressure Accumulator (HPA) Sensor, High Pressure Accumulator (HPA) Sensor harness is open or shorted, High Pressure Accumulator (HPA) Sensor circuit poor electrical connection. 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
C1474 Ford indicates High Pressure Accumulator Sensor Calibration Data Failure.
Common causes
Common causes include Faulty High Pressure Accumulator (HPA) Sensor, High Pressure Accumulator (HPA) Sensor harness is open or shorted, High Pressure Accumulator (HPA) Sensor circuit poor electrical connection.
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 906
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 14, 2020
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Code C1474 Ford Description

The Hydraulic Control Unit (HCU) monitors the High Pressure Accumulator (HPA) Sensor. The HCU sets the OBDII code when the High Pressure Accumulator (HPA) Sensor is not to factory specifications.
OBDII Code C1474 Ford - High Pressure Accumulator Sensor Calibration Data Failure - AutoCodes.com
C1474 Ford Code - High Pressure Accumulator Sensor Calibration Data Failure

What are the Possible Causes of the DTC C1474 Ford?

  • Faulty High Pressure Accumulator (HPA) Sensor
  • High Pressure Accumulator (HPA) Sensor harness is open or shorted
  • High Pressure Accumulator (HPA) Sensor circuit poor electrical connection
  • Faulty Hydraulic Control Unit (HCU)

How to Fix the DTC C1474 Ford?

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 C1474 Ford 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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Need Help with the Code?

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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 C1474 Ford Code

What does the OBDII code C1474 mean for my Ford vehicle?

The C1474 code indicates a High Pressure Accumulator Sensor Calibration Data Failure, which means there is an issue with the calibration data from the high-pressure accumulator sensor in the vehicle’s hydraulic system.

What symptoms might I experience if my vehicle has the C1474 code?

Common symptoms include warning lights on the dashboard (such as the brake warning light), a decrease in braking performance, and possible erratic behavior in the vehicle's braking system.

What could cause the C1474 code to trigger?

Potential causes include a faulty high-pressure accumulator sensor, wiring issues such as shorts or open circuits, poor connections, or a malfunction in the hydraulic control unit.

How can I diagnose the C1474 code?

To diagnose this code, use an OBDII scanner to confirm the code, inspect the wiring and connectors related to the accumulator sensor, and check for any other codes that may provide additional context.

Can I drive my Ford vehicle if the C1474 code is present?

While it may be possible to drive the vehicle, it’s not advisable as it could affect braking performance and safety. It’s recommended to address the issue as soon as possible.

What repairs might be necessary to fix the C1474 code?

Repairs may include replacing the high-pressure accumulator sensor, repairing any damaged wiring or connections, or reprogramming the hydraulic control unit if calibration data is found to be incorrect.

Is there a way to reset the C1474 code after repairs?

Yes, after making the necessary repairs, you can use an OBDII scanner to clear the code or disconnect the battery for a short period. However, ensure that the underlying issue is resolved to prevent the code from returning.

Will I need special tools to fix the C1474 code?

Yes, you may need a diagnostic scanner capable of reading ABS and traction control codes, as well as tools for inspecting and repairing electrical connections.

How can I prevent the C1474 code from reoccurring?

Regular maintenance and inspections of the braking system and associated sensors can help prevent issues. Address any signs of electrical problems or warning lights promptly to avoid future codes.

Discuss the causes and fixes for C1474 Ford OBDII Code

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