OBD-II code · Powertrain (generic)
P088E Planetary Gear Set Failure
The TCM detects mechanical failure of a planetary gear set inside the transmission. Sun, ring, or planet gears may be damaged.
Is it safe to drive with P088E?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyPlanetary gear teeth damaged
- PossiblePlanetary bearing failure
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 10–30 h
- Emissions test
- Usually unaffected
- Parts involved
- Planetary Gear Set, Transmission
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.