NHTSA Complaint #11460091 — 2015 CHEVROLET IMPALA UNKNOWN OR OTHER

Complaint Details

ODI Number	11460091
Vehicle	2015 CHEVROLET IMPALA
Component	UNKNOWN OR OTHER
Date of Incident	September 1, 2021
Date Filed	April 7, 2022
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	TX

Consumer Description

While driving this vehicle, the Traction Control will turn off along with the Stabiltrack function. The transmission will drop into "limp" mode and function on a "basic" level. This causes the vehicle to loose power and become very sluggish to control or operate. A code for "loss of TCM communication" to be found in the computer via the ADL. To remove the code and restore communication to the Transmission Control Module, I have to remove and reinsert the wire coupling connection wire harness at the TCM. The TCM will now communicate with the ECM. This is a recurring problem solved by this action.

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