OBD Guide
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C1474

High Pressure Accumulator Sensor Calibration Data Failure

C1474 is an OBD-II diagnostic trouble code meaning: High Pressure Accumulator Sensor Calibration Data Failure. Common causes: sensor calibration data failure, damage to the high pressure sensor. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • ABS/ESP indicator lights up
  • Reduced braking performance
  • Incorrect operation of the stabilization system

Causes

  • Sensor calibration data failure
  • Damage to the high pressure sensor
  • Problems with the sensor wiring harness
  • Software failure in the control unit

How to Fix

  1. Check sensor calibration using diagnostic equipment
  2. Inspect the sensor wiring harness and connectors for damage.
  3. Replace the high pressure sensor if necessary
  4. Reflash the control unit if the problem is in the software

Related codes

C1475C1476C1477

FAQ

What does the C1474 code mean?

C1474 is an OBD-II diagnostic trouble code that indicates: High Pressure Accumulator Sensor Calibration Data Failure

What causes a C1474 error code?

The most common causes of C1474 include: Sensor calibration data failure; Damage to the high pressure sensor; Problems with the sensor wiring harness; Software failure in the control unit.

How do I fix a C1474 diagnostic trouble code?

To fix C1474: Check sensor calibration using diagnostic equipment. Inspect the sensor wiring harness and connectors for damage.. Replace the high pressure sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1474?

Limited driving only, diagnose soon

How much does it cost to fix C1474?

The estimated repair cost for C1474 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat