OBD-II code · Powertrain (generic, extended)
P271F Electronic Gear Shift - Position Not Learned
The shift-by-wire controller did not complete the position learning routine for the gear selector. Without learned end stops the controller cannot map selector positions to gear requests.
Is it safe to drive with P271F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyLearning routine aborted by other DTC or low voltage
- PossibleShifter replaced without subsequent learn
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 h
- Emissions test
- Usually unaffected
- Parts involved
- Electronic Shifter, Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.