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Service bulletin PIC6073D

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10129901
Published by NHTSA2018-03-12
Manufacturer's numberPIC6073D
Manufacturer's date2018-02-27
NHTSA componentELECTRICAL SYSTEM; STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING

NHTSA's summary

This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for verifying Media Oriented Systems Transport control circuit voltages. Technician should review Media Oriented Systems Transport bus description and operation and Diagnostic Trouble Code U0028 diagnostic procedures.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Steering, Power steering

Trouble codes named

U0028

Vehicles listed
BUICK CASCADA2016, 2017, 2018
BUICK ENCLAVE2013, 2014, 2015, 2016, 2017, 2018
BUICK ENCORE2013, 2014, 2015, 2016, 2017, 2018
BUICK ENVISION2016, 2017, 2018
BUICK LACROSSE2013, 2014, 2015, 2016, 2017, 2018
BUICK REGAL2013, 2014, 2015, 2016, 2017, 2018
BUICK VERANO2013, 2014, 2015, 2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
17V1160002017-02-23. STEERING:ELECTRIC POWER ASSIST SYSTEM
16V1080002016-02-24. STEERING:ELECTRIC POWER ASSIST SYSTEM
15V1460002015-03-13. STEERING:ELECTRIC POWER ASSIST SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PIT5076C2023-12-26. Service bulletin. Learning Issues When Repairing Service Stability/Traction Message.
17-NA-3402021-04-15. Service bulletin. Service Power Steering Message Displayed with a Loss of Power Steering Assist and DTC C056E-5A Set Condition Some customers may comment on a Service Power Steering Message displayed with a loss of power steering assist. During diagnosis a technician may find DTC C056E-5A set or stored in the history. Cause This may be due to the Smooth Road Shake Compensation algorithm in the power steering module. Correction Reprogram the power steering control module.
18NA0092018-06-04. Service bulletin. This technical bulletin provides a procedure to replace the P/S hose, O2 sensor and engine harness if P/S fluid has been found leaking and the cause of the Mil on.
18NA0072018-06-04. Service bulletin. This technical bulletin provides information to replace the RDCM to correct a condition of MIL or Service AWD Light and associated DTCs.
13-02-32-001B2018-05-29. Service bulletin. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
PI12942018-05-29. Service bulletin. This preliminary bulletin provides a procedure to check the EPS power and ground and reprogram the p/s module to correct the customers concern of the Intermittent Service Power Steering message on.
13-02-32-001C2018-05-29. Service bulletin. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
PI0800B2018-04-23. Service bulletin. This preliminary informational bulletin provides a revision for PI0800A to update the Warranty Information.
12-02-32-002A2018-04-23. Service bulletin. This technical bulletin provides a revision for 12-02-32-002 to add the 2013-2014 model years, add noise as a possible condition and add a Note in the Instructions section.
13-02-32-001A2018-04-23. Service bulletin. This technical bulletin provides a revision for 13-02-32-001 to update the models information.