Power Train Related Problems of the 2021 Acura TLX

Table 1 shows two common power train related problems of the 2021 Acura TLX. The number one most common problem is related to the power train (48 problems). The second most common problem is related to the automatic transmission control module (one problem).

Table 1. Power Train related problems of Acura TLX

Problem Category Number of Problems
Power Train problems
48
Automatic Transmission Control Module problems
1

Recently reported Power Train problems of the 2021 Acura TLX

The Power Train problem

Transmission splines went out and transfer case has also failed which is only sending power to front wheels   Read details...

The Automatic Transmission Control Module problem

On 07/01/2026, at approximately 8:00 am, during steady acceleration, flashing of mil with loss of power presented northbound after merging from 235 west bound to I-135 north bound near park city, KS. Particularly dangerous resulting in near rear end collision.   Read details...


Power Train related problems in other Acura TLX model year vehicles:



TLX Service Bulletins
TLX Defect Investigations