P17FA
Ratio Monitoring Shift 3-1
P17FA is an OBD-II diagnostic trouble code meaning: Ratio Monitoring Shift 3-1. Common causes: low or contaminated transmission fluid, problems with shift solenoids. Estimated repair cost: $17–89.
Symptoms
- Erratic gear shifting
- Delays when downshifting
- Jerks or jolts when shifting from 3rd to 1st gear
- Increased fuel consumption
- Check Engine light comes on
Causes
- Low or contaminated transmission fluid
- Problems with shift solenoids
- Malfunction of speed sensors in the gearbox
- Mechanical damage in the gearbox
- Transmission control system wiring or connector problems
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the operation of switching solenoids
- Check transmission speed sensors
- Scan the transmission for errors
- Check the integrity of the wiring harness and connectors
Related codes
FAQ
What does the P17FA code mean?
P17FA is an OBD-II diagnostic trouble code that indicates: Ratio Monitoring Shift 3-1
What causes a P17FA error code?
The most common causes of P17FA include: Low or contaminated transmission fluid; Problems with shift solenoids; Malfunction of speed sensors in the gearbox; Mechanical damage in the gearbox.
How do I fix a P17FA diagnostic trouble code?
To fix P17FA: Check the level and condition of the transmission fluid. Diagnose the operation of switching solenoids. Check transmission speed sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P17FA?
Yes, but get it checked soon
How much does it cost to fix P17FA?
The estimated repair cost for P17FA is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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