C1474 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 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.
Code C1474 Description
What are the Possible Causes of the DTC C1474?
- 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?
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 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 C1474 code?
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Need Help with the Code?
Get the C1474 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1474 Ford — High Pressure Accumulator Sensor Calibration Data Failure
- C1474 Lincoln — High Pressure Accumulator Sensor Calibration Data Failure
- C1474 Mercury — High Pressure Accumulator Sensor Calibration Data Failure
Frequently Asked Questions about C1474 Code
1. What are the common symptoms of OBDII code C1474?
The common symptoms of OBDII code C1474 (High Pressure Accumulator Sensor Calibration Data Failure) include issues with the braking system, such as reduced braking efficiency and potential ABS system malfunctions.
2. What causes the High Pressure Accumulator Sensor Calibration Data Failure code (C1474)?
This code is typically triggered by a fault in the high-pressure accumulator sensor or issues related to the calibration data of the sensor, such as sensor malfunctions, wiring problems, or electronic control unit (ECU) issues.
3. How serious is OBDII code C1474?
OBDII code C1474 can affect the proper functioning of the ABS system and compromise braking performance. It is important to address this issue promptly to ensure safe driving conditions.
4. Can I continue driving with OBDII code C1474?
It is not recommended to continue driving with OBDII code C1474, as it may lead to potential braking system failures. It is best to have the issue diagnosed and repaired as soon as possible.
5. How can I diagnose OBDII code C1474?
Diagnosing OBDII code C1474 requires a scan tool to read the code and perform diagnostic tests on the high-pressure accumulator sensor, wiring, and related components to pinpoint the exact cause of the calibration data failure.
6. Is it possible to reset OBDII code C1474 without fixing the issue?
Resetting the code without fixing the underlying issue will only temporarily clear the error code. The problem will likely reoccur until the root cause is identified and repaired.
7. What are the repair options for OBDII code C1474?
Repair options for OBDII code C1474 may include replacing the high-pressure accumulator sensor, repairing or replacing damaged wiring, recalibrating the sensor, or addressing any ECU-related issues.
8. Can a DIY enthusiast fix OBDII code C1474?
While some experienced DIY enthusiasts may be able to diagnose and repair OBDII code C1474, it is recommended to seek professional help, especially when dealing with sensitive brake system components.
9. How much does it cost to repair OBDII code C1474?
The cost of repairing OBDII code C1474 can vary depending on the extent of the issue, the specific components that need to be replaced, and the labor costs. It is advisable to obtain estimates from auto repair shops.
10. How can I prevent OBDII code C1474 from occurring?
To prevent OBDII code C1474, it is essential to perform regular maintenance checks on the ABS system, including checking the high-pressure accumulator sensor, keeping the wiring in good condition, and promptly addressing any warning signs of brake system issues.
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