OBD Guide

P1835

Kick-Down Switch Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Lack of response to kick-down (no sudden acceleration when the gas pedal is fully pressed)
  • Unstable gear shifting
  • Check Engine light comes on
  • The car may go into emergency gearbox mode

Causes

  • Faulty kick down switch
  • Open or short circuit in the switch circuit
  • Poor contact in connectors
  • Wiring harness damage
  • Transmission ECU malfunction

How to Fix

  1. Check the condition of the kick-down switch
  2. Check the integrity of the wiring and connectors in the circuit
  3. Test the resistance of the switch
  4. Check the presence of power and grounding in the circuit
  5. If necessary, replace the kick-down switch

Related codes

Error P1835 by Vehicle Brand