Code result
P088E
Planetary Gear Set Failure
High severity
What it means
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?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Planetary gear teeth damaged
highOne of the most commonly reported causes for this code — check this first.
Planetary bearing failure
mediumA plausible cause — test and verify before replacing parts.
Related help
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