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Recovery Process From A Controller Reprogramming Interruption (15-NA-083)

Publication date: 2015-12-11
Reference number: 15-NA-083

RECOVERY PROCESS FROM A CONTROLLER REPROGRAMMING INTERRUPTION

RECOVERY PROCESS FROM A CONTROLLER REPROGRAMMING INTERRUPTION

TECHNICAL SERVICE BULLETIN

Reference Number(s): 15-NA-083, Date of Issue:  Dec 11, 2015
Attention: This Bulletin also applies to any of the models that may be Export vehicles.

SERVICE INFORMATION

Brand: Model: Model Year: VIN: Engine: Transmission:
from to from to
Cadillac, Chevrolet, GMC ATS, CT6, CTS, Escalade Models, Camaro, Corvette, Silverado Models, Sierra Models, Yukon Models 2015 2016     All M5N, M5T, M5U, M5X or MW7 Automatic Transmission
Condition  During service reprogramming of the T87 TCM, some technicians may notice the TCM may fail during the reprogramming event and become unresponsive to the Service Programming System (SPS), unresponsive to the GDS2 tool. This bulletin addresses corrective actions to attempt to recover the module before declaring the TCM as a bad part and replacing.
Cause  During reprogramming, an interruption can cause the module to lock up. A module reset may recover the TCM.

CORRECTION

  1. Exit Service programming systems.
  2. Turn off ignition.
  3. Perform a global battery reset for at least 5 minutes.
  4. Reconnect battery.
  5. Rerun previous service programming event.
  6. If programming fails, disconnect TCM connector for at least 5 minutes.
  7. Reconnect TCM, rerun service programming.

WARRANTY INFORMATION

Labor Operation Description Labor Time
2810175 Transmission Control Module - Transmission Reprogramming with SPS Use Published Labor Operation Time
Version  1
Modified