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1996 BMW 328IS E36
2.8L I6 M52•RWD•AUTOMATIC•gas
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Repairs0Labor495Torque2179Fluid8DTC1203Battery1Maintenance0Recalls0
P0602high severityPowertrain

Control Module Programming Error

on 1996 BMW 328is E36 2.8L I6 M52 · RWD

What this code means

The PCM is not properly programmed or calibration is missing.

Symptoms

  • Check Engine Light
  • Various driveability issues
  • Incorrect operation

Common causes

  • PCM not programmed after replacement
  • Incomplete flash/reprogramming
  • Wrong calibration file

Diagnostic steps

  1. Verify PCM part number matches application
  2. Reprogram PCM with correct calibration
  3. Check for TSBs

Repair notes

Reprogram PCM with correct calibration files.

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