OBD Guide

P1733

Problem In Shift Control System

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–167 (est.)

Symptoms

  • Incorrect gear shifting
  • Switching to neutral while driving
  • Delays when shifting gears
  • Transmission transition to emergency mode
  • Check Engine Light Illuminates

Causes

  • Faulty shift solenoid valves
  • Problems with input/output shaft speed sensors
  • Low or contaminated transmission fluid
  • Problems with the wiring harness or connectors
  • Transmission control unit malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose shift solenoid valves
  3. Check speed sensors and their circuits
  4. Inspect the wiring harness and connectors for damage.
  5. Read additional trouble codes for accurate diagnosis

Related codes

Error P1733 by Vehicle Brand