Powertrain
generic / SAE
P07DC
Incorrect Shift from Gear 1
Starting from 1st gear, the TCM commanded a specific upshift but the resulting gear ratio matches a different gear. Wrong shift solenoid pattern actually engaged, or a stuck solenoid blocked the intended pattern.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / DC
Possible causes
- Stuck shift solenoid 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: 400–3000 €
- Estimated time: 2–10 h
- Component: shift solenoids
- Component: valve body
- MIL / check engine light
Sources
References
sae:J2012