Table 1 shows three common power train related problems of the 2021 GMC Acadia. The number one most common problem is related to the power train (13 problems). The second most common problem is related to the automatic transmission control module (two problems).
| Problem Category | Number of Problems |
|---|---|
| Power Train problems | |
| Automatic Transmission Control Module problems | |
| Automatic Transmission Torque Converter problems |
Had vehicles looked at twice and serviced once for the transmission slipping. No issues were found when looked at and light was deleted. Took to another mechanic who drained and refilled transmission. Transmission still slips after service. Read details...
While driving, error popped up stating steering assist is reduced; drive with caution. Heat was no longer working. Engine temp was reading cold even though vehicle had been running for half hour and temp outside was 65 f. After vehicle was stopped, engine fan ran very loudly for at least 15 minutes. Read details...
The contact owns a 2021 GMC Acadia. The contact stated that while driving approximately 30-60 mph, the vehicle started shuddering inadvertently. There were no warning lights illuminated. The contact stated that he continued to drive the vehicle. Read details...