P099C
Shift Solenoid G Control Circuit High
P099C is an OBD-II diagnostic trouble code meaning: Shift Solenoid G Control Circuit High. Common causes: open or short circuit in solenoid circuit, solenoid g fault. Estimated repair cost: $17–67.
Symptoms
- Incorrect gear shifting
- The gearbox goes into emergency mode
- Check Engine light comes on
- Loss of power or jerking when shifting
- Increased speed in neutral
Causes
- Open or short circuit in solenoid circuit
- Solenoid G fault
- Transmission wiring harness problems
- Transmission control module (TCM) malfunction
- Corroded contacts or poor connection
How to Fix
- Check the integrity of the solenoid control circuit
- Measure the resistance of solenoid G
- Inspect the wiring harness and connectors for damage.
- Check the functionality of the transmission control unit
- If necessary, replace solenoid G
Related codes
Error P099C by Vehicle Brand
FAQ
What does the P099C code mean?
P099C is an OBD-II diagnostic trouble code that indicates: Shift Solenoid G Control Circuit High
What causes a P099C error code?
The most common causes of P099C include: Open or short circuit in solenoid circuit; Solenoid G fault; Transmission wiring harness problems; Transmission control module (TCM) malfunction.
How do I fix a P099C diagnostic trouble code?
To fix P099C: Check the integrity of the solenoid control circuit. Measure the resistance of solenoid G. Inspect the wiring harness and connectors for damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P099C?
Limited driving only, diagnose soon
How much does it cost to fix P099C?
The estimated repair cost for P099C is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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