OBD-II code · Powertrain (generic)
P0819 Up and Down Shift Switch to Transmission Range Correlation
The up-shift/down-shift paddle or button input is used in manumatic mode to step through gears, but the inputs only make sense when the gear lever is in Drive or the Manual position. The TCM detects an inconsistency — paddle commands while gear lever is in Park or Neutral.
Is it safe to drive with P0819?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyStuck paddle/button input
- PossibleSwapped wiring after service
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
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Paddle Shifters, Gear Lever Switch
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.