Powertrain
generic / SAE
P076F
Gear 7 Incorrect Ratio
While in 7th gear, the ratio measured between input shaft speed and output shaft speed does not match the calibrated value for that gear. Either a clutch or band is slipping, the wrong gear actually engaged, or speed sensor data is wrong.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 6F
Possible causes
- Slipping clutch in 7th gear element high
- Wrong shift solenoid pattern engaging the wrong gear medium
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: friction band
- Component: speed sensors
- MIL / check engine light
Sources
References
sae:J2012