OBD Guide

P1573

Throttle Position Not Available

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

Symptoms

  • Unstable engine idling
  • Loss of engine power
  • Check Engine light comes on
  • The car goes into emergency mode
  • Acceleration problems

Causes

  • Throttle Position Sensor (TPS) malfunction
  • Open or short circuit in the sensor circuit
  • Connector problems or contact corrosion
  • Throttle control module malfunction
  • Mechanical damage to the throttle assembly

How to Fix

  1. Check the condition of the throttle position sensor
  2. Check the integrity of wiring and connectors
  3. Clean the throttle assembly from dirt
  4. Diagnose the throttle control module
  5. If necessary, replace the sensor or the entire throttle body

Related codes

Error P1573 by Vehicle Brand