# U129D on the 2018 Acura TLX

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name U129D

- [10142630](https://open.wenmarpro.com/bulletins/10142630), 2018-07-16: Dealer message \- American Honda Motor Co., Inc. \(AHM\) is investigating certain 2015\-2018 TLX 2WDs with a client complaint of Malfunction Indicator Lamp \(MIL\) on with DTC U129D \(Lost Communication with the Precision All Wheel Steer Control Unit\) stored. Client may experience limited speed of up to 50mph or the steering wheel not centered. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
- [10136429](https://open.wenmarpro.com/bulletins/10136429), 2018-05-14: Dealer message \- American Honda Motor Co., Inc. \(AHM\) is investigating certain 2015\-2018 TLX 2WDs with a client complaint of Malfunction Indicator Lamp \(MIL\) on with DTC U129D \(Lost Communication with the Precision All Wheel Steer Control Unit\) stored. Client may experience limited speed of up to 50mph or the steering wheel not centered. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
- [10134525](https://open.wenmarpro.com/bulletins/10134525), 2018-04-23: Dealer message \- American Honda Motor Co., Inc. \(AHM\) is investigating certain 2015\-2018 TLX 2WDs with a client complaint of Malfunction Indicator Lamp \(MIL\) on with DTC U129D \(Lost Communication with the Precision All Wheel Steer Control Unit\) stored. Client may experience limited speed of up to 50mph or the steering wheel not centered. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.