OBD Guide

P0819

Up and Down Shift Switch to Transmission Range Correlation

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Check Engine Light Illuminates
  • Switching to emergency mode of the gearbox
  • Problems with upshifting/downshifting
  • Mismatch between lever position and actual gear

Causes

  • Gear selector position sensor malfunction
  • Damage to wiring or connectors
  • Mechanical problems in the gear shift system
  • Transmission control module (TCM) malfunction
  • Incorrect shift system calibration

How to Fix

  1. Check the condition of the gear selector position sensor
  2. Inspect wiring and connectors for damage
  3. Check the mechanical components of the switching system
  4. Perform diagnostics on the transmission control unit
  5. If necessary, calibrate the switching system

Related codes

Error P0819 by Vehicle Brand