P2850

Symptoms

• Incorrect gear shifting
• The gearbox goes into emergency mode
• Delays when shifting gears
• Unusual noises from the transmission
• Power Loss

Causes

• Worn shift fork D
• Problems with the synchronizer
• Hydraulic malfunctions (low fluid level, clogged channels)
• Malfunction of fork position sensors
• Problems with wiring or connectors

How to Fix

1. Check the level and condition of the transmission fluid
2. Diagnose the condition of the shift fork and synchronizers
3. Check fork position sensors and their wiring
4. Replacing worn or damaged components
5. Flashing or replacing the transmission control module (TCM) if necessary

Related codes

Error P2850 by Vehicle Brand