OBD Guide

P0934

Hydraulic Pressure Sensor Circuit Low

P0934 is an OBD-II diagnostic trouble code meaning: Hydraulic Pressure Sensor Circuit Low. Common causes: hydraulic pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Incorrect operation of the gearbox
  • Increased effort when turning the steering wheel
  • Check Engine Light Is On
  • Reduced hydraulic system efficiency
  • Possible jerking when changing gears

Causes

  • Hydraulic pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Sensor power problems
  • ECU malfunction (rare)

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Check the contacts in the sensor connector
  3. Measure the sensor supply voltage
  4. Check the sensor resistance (compare with the norm)
  5. If necessary, replace the hydraulic pressure sensor

Related codes

Error P0934 by Vehicle Brand

FAQ

What does the P0934 code mean?

P0934 is an OBD-II diagnostic trouble code that indicates: Hydraulic Pressure Sensor Circuit Low

What causes a P0934 error code?

The most common causes of P0934 include: Hydraulic pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor power problems.

How do I fix a P0934 diagnostic trouble code?

To fix P0934: Check the integrity of the wiring to the sensor. Check the contacts in the sensor connector. Measure the sensor supply voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0934?

Limited driving only, diagnose soon

How much does it cost to fix P0934?

The estimated repair cost for P0934 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat