OBD Guide

P1733

Problem In Shift Control System

P1733 is an OBD-II diagnostic trouble code meaning: Problem In Shift Control System. Common causes: faulty shift solenoid valves, problems with input/output shaft speed sensors. Estimated repair cost: $17–167.

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

FAQ

What does the P1733 code mean?

P1733 is an OBD-II diagnostic trouble code that indicates: Problem In Shift Control System

What causes a P1733 error code?

The most common causes of P1733 include: Faulty shift solenoid valves; Problems with input/output shaft speed sensors; Low or contaminated transmission fluid; Problems with the wiring harness or connectors.

How do I fix a P1733 diagnostic trouble code?

To fix P1733: Check the level and condition of the transmission fluid. Diagnose shift solenoid valves. Check speed sensors and their circuits. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1733?

Do not drive — repair immediately

How much does it cost to fix P1733?

The estimated repair cost for P1733 is $17–167. Actual cost depends on your vehicle, location, and labor rates.

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