# 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.

- Type: Service bulletin
- NHTSA id: 10129901
- Published by NHTSA: 2018\-03\-12
- Manufacturer's number: PIC6073D
- Manufacturer's date: 2018\-02\-27
- NHTSA component: ELECTRICAL 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10129901-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10129901-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Steering, Power steering

## Trouble codes named

U0028

## Vehicles listed

- 2016 to 2018 BUICK CASCADA
- 2013 to 2018 BUICK ENCLAVE
- 2013 to 2018 BUICK ENCORE
- 2016 to 2018 BUICK ENVISION
- 2013 to 2018 BUICK LACROSSE
- 2013 to 2018 BUICK REGAL
- 2013 to 2016 BUICK VERANO

## Recalls for the same vehicles and component

- [17V116000](/recalls/nhtsa/17V116000.md), 2017-02-23: STEERING:ELECTRIC POWER ASSIST SYSTEM
- [16V108000](/recalls/nhtsa/16V108000.md), 2016-02-24: STEERING:ELECTRIC POWER ASSIST SYSTEM
- [15V146000](/recalls/nhtsa/15V146000.md), 2015-03-13: STEERING:ELECTRIC POWER ASSIST SYSTEM

## Other bulletins for the same vehicles and component

- [PIT5076C](/bulletins/10247717.md), 2023-12-26, Service bulletin: UNKNOWN OR OTHER; STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM. Learning Issues When Repairing Service Stability/Traction Message.
- [17\-NA\-340](/bulletins/10190334.md), 2021-04-15, Service bulletin: STEERING:HYDRAULIC POWER ASSIST SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 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.
- [18NA009](/bulletins/10139248.md), 2018-06-04, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. 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.
- [18NA007](/bulletins/10139246.md), 2018-06-04, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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\-001B](/bulletins/10138679.md), 2018-05-29, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. 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.
- [PI1294](/bulletins/10138676.md), 2018-05-29, Service bulletin: STEERING; ELECTRICAL SYSTEM; STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. 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\-001C](/bulletins/10138670.md), 2018-05-29, Service bulletin: STEERING; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. 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.
- [PI0800B](/bulletins/10134718.md), 2018-04-23, Service bulletin: STEERING:HYDRAULIC POWER ASSIST SYSTEM. This preliminary informational bulletin provides a revision for PI0800A to update the Warranty Information.
- [12\-02\-32\-002A](/bulletins/10134625.md), 2018-04-23, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING. 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\-001A](/bulletins/10134624.md), 2018-04-23, Service bulletin: STEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. This technical bulletin provides a revision for 13\-02\-32\-001 to update the models information.

JSON: [/v1/bulletins/10129901](/v1/bulletins/10129901)

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