Original text and source

Original text

This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics.

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Source

Source: NHTSA Manufacturer Communications — Communication from a manufacturer to dealers (summary published by a government agency)
Reporter type: Manufacturer
Source reference: 10114598
Country / market: US
Language: en
Document version: Version 2 (2 held)
Note on the source: US federal government dataset of communications manufacturers sent to dealers. NHTSA publishes a summary of each communication, not its full text.

Dates

Incident date: Unknown
Received by source: 2017-08-15
Added to the source's file: 2017-08-15
Issued / published: 2015-07-10
First observed: 2026-10-05 02:21 UTC (initial bulk load)
This version fetched: 2026-10-05 03:49 UTC