OBD Guide

P1782

2/4-OD Pressure Switch Circuit

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Switching delays
  • Dips during acceleration
  • Switching to emergency mode of the gearbox

Causes

  • Open or short circuit in the sensor circuit
  • Pressure sensor malfunction
  • Problems with the transmission control module
  • Sensor contacts are dirty

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Check the resistance of the pressure sensor
  3. Clean sensor contacts
  4. Replace pressure sensor if necessary

Related codes

Error P1782 by Vehicle Brand