Back to 1997 BMW 318ti E36

1997 BMW 318TI E36

1.9L I4 M44RWDAUTOMATICgas
Repairs0Labor593Torque3471Fluid7DTC642Battery0Maintenance0Recalls0
P0602high severityPowertrain

Control Module Programming Error

on 1997 BMW 318ti E36 1.9L I4 M44 · 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.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →