OBD-II code · Powertrain (generic)
P015F Excessive Time to Enter Closed Loop Cylinder Balance Control
ECU took longer than allowed to enter closed-loop cylinder balance control.
Is it safe to drive with P015F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor heater aging
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Oxygen Sensor, Fuel Injectors
Related codes
- P015CO2 Sensor Delayed Response - Rich to Lean Bank 2 Sensor 1
- P015DO2 Sensor Delayed Response - Lean to Rich Bank 2 Sensor 1
- P015EExcessive Time to Enter Closed Loop Fuel Timing Control
- P0160O2 Sensor Circuit No Activity / Slow Response (Bank 2 Sensor 2)
- P0161O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 2)
- P0162O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.