OBD Guide

P084E

Transmission Fluid Pressure Sensor/Switch H Circuit Intermittent

P084E is an OBD-II diagnostic trouble code meaning: Transmission Fluid Pressure Sensor/Switch H Circuit Intermittent. Common causes: open or short circuit in the sensor circuit, transmission fluid pressure sensor malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Hard or abrupt shifts
  • Automatic transmission goes into emergency mode
  • Check Engine Light Is On
  • Reduced transmission efficiency

Causes

  • Open or short circuit in the sensor circuit
  • Transmission fluid pressure sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Transmission control unit malfunction (rare)

How to Fix

  1. Check the continuity of the fluid pressure sensor circuit
  2. Inspect the sensor connectors for oxidation or damage.
  3. Check the resistance and signal of the pressure sensor
  4. If necessary, replace the transmission fluid pressure sensor
  5. Check the level and condition of the transmission fluid

Related codes

Error P084E by Vehicle Brand

FAQ

What does the P084E code mean?

P084E is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Pressure Sensor/Switch H Circuit Intermittent

What causes a P084E error code?

The most common causes of P084E include: Open or short circuit in the sensor circuit; Transmission fluid pressure sensor malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P084E diagnostic trouble code?

To fix P084E: Check the continuity of the fluid pressure sensor circuit. Inspect the sensor connectors for oxidation or damage.. Check the resistance and signal of the pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P084E?

Limited driving only, diagnose soon

How much does it cost to fix P084E?

The estimated repair cost for P084E is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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