OBD-II code · Powertrain (generic)
P07D4 Transmission Mode Switch F Circuit
General electrical fault on the sixth transmission mode select switch input F.
Is it safe to drive with P07D4?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen or shorted switch wire
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
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Transmission Mode Switch F, Wiring Harness
Related codes
- P071ATransmission Mode Switch A Circuit
- P071DTransmission Mode Switch B Circuit
- P078FTransmission Mode Switch C Circuit
- P07CETransmission Mode Switch D Circuit
- P07D1Transmission Mode Switch E Circuit
- P07D2Transmission Mode Switch E Circuit Low
- P07D3Transmission Mode Switch E Circuit High
- P07D5Transmission Mode Switch F Circuit Low
- P07D6Transmission Mode Switch F Circuit High
- P07D7Stuck in Gear 8
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.