Electronic Control Module Incorrect Coding
2014-2021 BMW i3 Range Extender
Description
The DME has detected that its internal coding does not match the vehicle configuration. This can occur after DME replacement, software update failure, or programming error. The DME variant coding must match the installed engine, transmission, and equipment.
Symptoms
- Check Engine Light
- Various system malfunctions
- Engine may run poorly
- Incorrect feature operation
- Emissions system faults
Common Causes
- DME recently replaced without proper coding
- Software update interrupted or failed
- Incorrect DME installed for vehicle
- Coding data corrupted
- Battery disconnected during programming
Diagnostic Steps
- Read DME coding data with BMW diagnostic tool
- Compare coding to vehicle equipment list
- Check for interrupted software updates
- Verify DME part number matches vehicle
- Attempt recoding with correct data
Repair Notes
Recode the DME with the correct variant coding using BMW ISTA or equivalent diagnostic software.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P1612 on Other Vehicles
Common Questions
What does code P1612 mean on a 2014-2021 BMW i3?
P1612 stands for "Electronic Control Module Incorrect Coding". The DME has detected that its internal coding does not match the vehicle configuration. This can occur after DME replacement, software update failure, or programming error. The DME variant coding must match the installed engine, transmission, and equipment.
What are the symptoms of P1612 on a BMW i3?
Common symptoms of P1612 include: Check Engine Light, Various system malfunctions, Engine may run poorly, Incorrect feature operation, Emissions system faults.
What causes P1612 on a 2014-2021 BMW i3?
Common causes of P1612 include: DME recently replaced without proper coding, Software update interrupted or failed, Incorrect DME installed for vehicle, Coding data corrupted, Battery disconnected during programming.