One problem related to automatic transmission control module has been reported for the 2023 Chevrolet Suburban. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2023 Chevrolet Suburban based on all problems reported for the 2023 Suburban.
Transmission malfunction. This has appeared several times at highway speeds and low speeds. We have dad to limp along in the slow lane to exit ramp and take back roads to the nearest dealership. The current problem has been confirmed with error codes p0747. The dealership has scanned this vehicle and detected error codes in the past on two different occasions and found p176c in tcm on 08/01/23 and p17d6 on 10/24/24. Check engine light comes on with a screen prompt “reduced acceleration drive with care”. The transmission valve body has already been addressed once because of triggering limp mode.
| Power Train problems | |
| Automatic Transmission Control Module problems |