OBD Guide

P099E

Shift Solenoid H Control Circuit Low

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

Symptoms

  • Incorrect gear shifting
  • Transmission of the gearbox into emergency mode
  • Check engine light comes on
  • Reduced transmission efficiency
  • Delays when shifting gears

Causes

  • Shift Solenoid H Malfunction
  • Open or short circuit in control circuit
  • Poor contact in connectors
  • Problems with the transmission control unit
  • Corroded contacts or damaged wiring

How to Fix

  1. Check the condition of the wiring and connectors in the solenoid H circuit
  2. Test solenoid H resistance
  3. Check control circuit voltage
  4. Replace faulty solenoid if necessary
  5. Clean or replace damaged connectors

Related codes

Error P099E by Vehicle Brand