P0602high severityPowertrain
Control Module Programming Error
on 2001 BMW 525iT E39 2.5L I6 M54 Touring · 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
- Verify PCM part number matches application
- Reprogram PCM with correct calibration
- Check for TSBs
Repair notes
Reprogram PCM with correct calibration files.
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Other Powertrain codes on this vehicle
29CC
Misfire Cylinder 1
29CD
Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1