P0999
Shift Solenoid F Control Circuit High
P0999 is an OBD-II diagnostic trouble code meaning: Shift Solenoid F Control Circuit High. Common causes: short circuit in solenoid control circuit, transmission solenoid f malfunction. Estimated repair cost: $17–89.
Symptoms
- Incorrect gear shifting
- Increased engine speed when switching
- The gearbox goes into emergency mode
- Check Engine light comes on
- Car dynamics problems
Causes
- Short circuit in solenoid control circuit
- Transmission solenoid F malfunction
- Wiring harness damage
- Transmission control module (TCM) problems
- Corrosion of electrical connections
How to Fix
- Checking the condition of wiring and connectors
- Solenoid F Resistance Testing
- Checking the voltage in the control circuit
- Replacing a faulty solenoid if necessary
- Reset the error and retest the system
Related codes
Error P0999 by Vehicle Brand
FAQ
What does the P0999 code mean?
P0999 is an OBD-II diagnostic trouble code that indicates: Shift Solenoid F Control Circuit High
What causes a P0999 error code?
The most common causes of P0999 include: Short circuit in solenoid control circuit; Transmission solenoid F malfunction; Wiring harness damage; Transmission control module (TCM) problems.
How do I fix a P0999 diagnostic trouble code?
To fix P0999: Checking the condition of wiring and connectors. Solenoid F Resistance Testing. Checking the voltage in the control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0999?
Limited driving only, diagnose soon
How much does it cost to fix P0999?
The estimated repair cost for P0999 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat