P17E8
Ratio Monitoring Shift 3-4
P17E8 is an OBD-II diagnostic trouble code meaning: Ratio Monitoring Shift 3-4. Common causes: low transmission fluid level, worn friction discs. Estimated repair cost: $17–278.
Symptoms
- Incorrect gear shifting
- Slipping when shifting 3-4
- Hard gear shifting
- Deterioration in acceleration dynamics
- Transmission fluid overheating
Causes
- Low transmission fluid level
- Worn friction discs
- Shift solenoids malfunction
- Problems with the valve body
- Malfunction of speed sensors
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the operation of switching solenoids
- Check input/output shaft speed sensors
- Perform gearbox adaptation
- If necessary, repair the mechanical part of the automatic transmission
Related codes
FAQ
What does the P17E8 code mean?
P17E8 is an OBD-II diagnostic trouble code that indicates: Ratio Monitoring Shift 3-4
What causes a P17E8 error code?
The most common causes of P17E8 include: Low transmission fluid level; Worn friction discs; Shift solenoids malfunction; Problems with the valve body.
How do I fix a P17E8 diagnostic trouble code?
To fix P17E8: Check the level and condition of the transmission fluid. Diagnose the operation of switching solenoids. Check input/output shaft speed sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P17E8?
Limited driving only, diagnose soon
How much does it cost to fix P17E8?
The estimated repair cost for P17E8 is $17–278. Actual cost depends on your vehicle, location, and labor rates.
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