P1612high severityPowertrain
Electronic Control Module Incorrect Coding
on 2023 BMW i7 M70 Dual Motor AWD · AWD
What this code means
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.
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