P099F

Q: Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

Shift Solenoid H Control Circuit High

High severity

The control circuit of shift solenoid H reports a control circuit high condition. Gear element actuation cannot be commanded reliably on this channel.

Common causes

Control wire shorted to B+
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $220-1980
Open solenoid coil
A plausible cause — test and verify before replacing parts.
medium
Typical part cost: $220-1980
See all causes + fix costs
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First things to check

1Confirm the code with a scan tool and check for additional related codes.
2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P099F mean?

P099F means "Shift Solenoid H Control Circuit High". It is a generic OBD-II code that points to a fault in the transmission / hybrid-ev control.

What are the most common causes of P099F?

control wire shorted to b+; open solenoid coil; connector pins corroded - high contact resistance — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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