Key relearn issue After ECM replacement

Cody Technician Ontario Posted   Latest   Edited  
2017 Chevrolet Silverado 2500 HD High Country 6.6L (Y L5P) 6-spd (1000) — 1GC1KXEY4HF141359

What repair are you unable to perform?

IMMO - Immobilizer Relearn

What information are you having trouble obtaining?

Help trying to perform IMMO - Immobilizer Relearn after ECM replacement I am getting this error message:

Body Control Module

Parameter ID not supported

Please reprogram ECU with correct SPS software calibration

Connector HS CAN Bus

Controller Body Control Module

Error Number 2112

What steps have you taken to obtain the information you need?

Contacted AcDelco TDS support line three times

Contacted AcDelco Training Instructors

Contacted Auto Aide

(Optional) Any other comments or concerns?

I have replaced:

  • ECM (Missfire caused by driver i ECM is open circuit)
  • BCM (Recommended by AcDelco TDS support)
  • New ignition key (Recommended by AcDelco TDS support)
  • New Immobilizer (Recommended by AcDelco TDS support)

I Have Attached a list of DTCs, A scope shot of the immobilizer sending a signal when key is turned to run position and a screen shot of error message when I try and do any learn function in SPS IMMO list

Donny Manager
Donny Update

Forwarded to GM contacts for review.

Update Ð Awarded
Luke Engineer

Any feedback?

Ð Awarded