B0114
Push Button Start System Circuit
2019-2024 BMW 3 Series G20 2.0L I4 Turbo B48
Moderate SeverityBodyGeneric (SAE)
Description
Malfunction in the push button start system. The vehicle may not recognize the key fob for engine starting.
Symptoms
- Push button start not responding
- Must hold fob against button to start
- Start button illumination off
- Intermittent no-start with fob in vehicle
Common Causes
- Start button switch failure
- Ring antenna at start button faulty
- Key fob battery low
- BCM/smart key module fault
- Start button wiring issue
Diagnostic Steps
- Check key fob battery
- Test start button switch
- Check ring antenna at button
- Scan smart key module codes
- Test backup start method
Repair Notes
Replace start button assembly or ring antenna. Ensure key fob battery is fresh.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B0114 on Other Vehicles
Common Questions
What does code B0114 mean on a 2019-2024 BMW 3 Series G20?
B0114 stands for "Push Button Start System Circuit". Malfunction in the push button start system. The vehicle may not recognize the key fob for engine starting.
What are the symptoms of B0114 on a BMW 3 Series G20?
Common symptoms of B0114 include: Push button start not responding, Must hold fob against button to start, Start button illumination off, Intermittent no-start with fob in vehicle.
What causes B0114 on a 2019-2024 BMW 3 Series G20?
Common causes of B0114 include: Start button switch failure, Ring antenna at start button faulty, Key fob battery low, BCM/smart key module fault, Start button wiring issue.