OBD-II code · Powertrain (generic)
P06F4 Stop-Start Mode Lamp Control Circuit
Stop-Start Mode Lamp Control Circuit: the control circuit has an electrical fault.
Is it safe to drive with P06F4?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen in lamp or wiring
Symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1 h
- Emissions test
- Usually unaffected
- Parts involved
- Stop Start Lamp
Related codes
- P06F1Reductant Control Module Internal Temperature Sensor Range or Performance
- P06F2Reductant Control Module Internal Temperature Sensor Circuit Low
- P06F3Reductant Control Module Internal Temperature Sensor Circuit High
- P06F5Glow Plug Control Module 2
- P06F6Glow Plug Control Module 2 Control Circuit Open
- P06F7Glow Plug Control Module 2 Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.