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2007 MINI COOPER
1.6L I4•FWD•AUTOMATIC•gas
1 active safety recall on this vehicle — view recalls
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Repairs0Labor499Torque4306Fluid7DTC1404Battery1Maintenance0Recalls1
U0302high severityNetwork

Software Incompatibility with TCM

on 2007 Mini Cooper 1.6L I4 · FWD

What this code means

The data from the Transmission Control Module is incompatible or corrupted.

Symptoms

  • Transmission shift problems
  • Harsh shifting
  • Check Engine Light
  • Transmission warning light

Common causes

  • TCM software mismatch
  • TCM programming incomplete
  • Wrong TCM calibration
  • TCM-ECM version conflict

Diagnostic steps

  1. Check TCM software version
  2. Compare ECM and TCM software compatibility
  3. Reprogram TCM
  4. Check for TSBs
  5. Verify correct calibration file

Repair notes

Reprogram TCM with correct calibration that matches the ECM software version.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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