P17F8
Ratio Monitoring Shift 5-3
P17F8 is an OBD-II diagnostic trouble code meaning: Ratio Monitoring Shift 5-3. Common causes: low transmission fluid level, contaminated or worn transmission fluid. Estimated repair cost: $17–89.
Symptoms
- Erratic gear shifting
- Delays when switching from 5th to 3rd gear
- Gaps in acceleration dynamics
- Increased fuel consumption
- Possible transition to emergency mode
Causes
- Low transmission fluid level
- Contaminated or worn transmission fluid
- Problems with shift solenoids
- Mechanical wear of clutches
- Malfunction of speed sensors
How to Fix
- Check the level and condition of the transmission fluid
- Carry out diagnostics of switching solenoids
- Check the operation of speed sensors
- Perform gearbox adaptation
- If necessary, replace worn friction discs
Related codes
FAQ
What does the P17F8 code mean?
P17F8 is an OBD-II diagnostic trouble code that indicates: Ratio Monitoring Shift 5-3
What causes a P17F8 error code?
The most common causes of P17F8 include: Low transmission fluid level; Contaminated or worn transmission fluid; Problems with shift solenoids; Mechanical wear of clutches.
How do I fix a P17F8 diagnostic trouble code?
To fix P17F8: Check the level and condition of the transmission fluid. Carry out diagnostics of switching solenoids. Check the operation of speed sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P17F8?
Yes, but get it checked soon
How much does it cost to fix P17F8?
The estimated repair cost for P17F8 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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