Powertrain
generic / SAE
P07DB
7-8 Shift
General fault detected during the 7-to-8 upshift event.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / DB
Possible causes
- Worn 8th-gear friction element high
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
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 600–4000 €
- Estimated time: 3–12 h
- Component: clutch pack
- Component: shift solenoid
- MIL / check engine light
Sources
References
sae:J2012