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2013 BMW M3 E90

4.0L V8 S65RWDDCTgas
Repairs0Labor499Torque3925Fluid7DTC909Battery0Maintenance0Recalls0
P1612high severityPowertrain

Electronic Control Module Incorrect Coding

on 2013 BMW M3 E90 4.0L V8 S65 · RWD

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

  1. Read DME coding data with BMW diagnostic tool
  2. Compare coding to vehicle equipment list
  3. Check for interrupted software updates
  4. Verify DME part number matches vehicle
  5. Attempt recoding with correct data

Repair notes

Recode the DME with the correct variant coding using BMW ISTA or equivalent diagnostic software.

Other Powertrain codes on this vehicle

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