The contact owns a 2015 Acura TLX. The contact stated that while her husband was driving at an undisclosed speed, there was an abnormal knocking sound coming from the engine compartment, after which the vehicle inadvertently lost motive power. The driver was able to pull to the shoulder of the roadway, where the vehicle failed to restart. The check engine warning light was illuminated. The vehicle was towed to the dealer, who diagnosed a failure with the connecting rod bearings, resulting in engine damage. The contact was informed that the engine needed to be replaced. The vehicle was repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling); and the VIN was included. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was 80,000.

- South Gate, CA, USA

The contact owns a 2015 Acura TLX. The contact received notification of NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was contacted. The manufacturer was not made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

- Reynoldsburg, OH, USA

The contact owns a 2015 Acura TLX. The contact received notification of NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. Parts distribution disconnect.

- Columbia, MD, USA

The contact owns a 2015 Acura TLX. The contact received notification of NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact expressed dissatisfaction with the manufacturer's inability to communicate details regarding the systems that affected vehicles might experience as well as a plan or timetable for providing the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. The VIN was not available.

- Orange, CA, USA

The contact owns a 2015 Acura TLX. The contact received notification of NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

- Yorktown Heights, NY, USA

The contact owns a 2015 Acura TLX. The contact stated while driving 65 MPH, the engine overheated. The contact stated that the excessive engine temperature message was displayed. The contact looked under the hood and became aware that the coolant reservoir cap was disengaged. The vehicle was towed to the dealer. The vehicle was not repaired. The vehicle was included in NHTSA Campaign Number: 23V751000 (Engine and Engine Coolant). The manufacturer was not made aware of the failure. The failure mileage was approximately 87,000.

- Round Rock, TX, USA

The contact owns a 2015 Acura TLX. The contact stated while driving at approximately 25 MPH, the vehicle lost motive power and stalled. The contact stated that the vehicle lost power steering and braking functionality. The contact coasted the vehicle to a stop. The contact was unable to restart the vehicle and was unable to shift the vehicle out of park(P). The contact stated no warning light was illuminated. The contact had the vehicle towed to a local dealer, where it was diagnosed and determined that the engine short block needed to be replaced. The contact had the vehicle towed to an independent mechanic who diagnosed and determined that the short block needed to be replaced. The vehicle was repaired. The manufacturer was not informed of the failure. The contact received notification NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling). The failure mileage was approximately 102,000.

- Helendale, CA, USA