Back to 2015 Cadillac XTS

2015 CADILLAC XTS

3.6L V6FWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor479Torque3822Fluid6DTC959Battery0Maintenance0Recalls2
P0602high severityPowertrain

Control Module Programming Error

on 2015 Cadillac XTS 3.6L V6 · FWD

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

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