OBD Guide

P099F

Shift Solenoid H Control Circuit High

P099F is an OBD-II diagnostic trouble code meaning: Shift Solenoid H Control Circuit High. Common causes: shift solenoid h malfunction, open or short circuit in control circuit. Estimated repair cost: $17–89.

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

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

Related codes

Error P099F by Vehicle Brand

FAQ

What does the P099F code mean?

P099F is an OBD-II diagnostic trouble code that indicates: Shift Solenoid H Control Circuit High

What causes a P099F error code?

The most common causes of P099F include: Shift Solenoid H Malfunction; Open or short circuit in control circuit; Poor contact in connectors; Transmission control module (TCM) malfunction.

How do I fix a P099F diagnostic trouble code?

To fix P099F: Check the resistance of solenoid H. Check the integrity of the control circuit. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P099F?

Yes, but get it checked soon

How much does it cost to fix P099F?

The estimated repair cost for P099F is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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