P099F

Shift Solenoid H Control Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Gear shifting problems
Transmission of the gearbox into emergency mode
Check Engine Light Illuminates
Unstable engine operation
Inability to engage certain gears

Causes

Shift Solenoid H Malfunction
Open or short circuit in control circuit
Poor contact in connectors
Transmission control module (TCM) malfunction
Wiring harness damage

How to Fix

Check the resistance of solenoid H
Check the integrity of the control circuit
Inspect connectors and contacts for corrosion
Check voltage on control circuit
If necessary, replace solenoid H or repair wiring

Related codes

P099E P099D P099C