OBD-II code · Powertrain (generic)
P07DB 7-8 Shift
General fault detected during the 7-to-8 upshift event.
Is it safe to drive with P07DB?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyWorn 8th-gear friction element
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
- 3–12 h
- Emissions test
- Usually unaffected
- Parts involved
- Clutch Pack, Shift Solenoid
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.