P0894
Transmission Component Slipping
The TCM detects slipping in a clutch or band element. Output speed does not match the calculated value for the engaged gear ratio.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
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
Common causes
Ordered by how often each turns out to be the cause.
- Clutch friction surfaces wornCommon
- Hydraulic pressure too lowPossible
Parts involved
- Clutch Packs
- Transmission
P0894 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.