- May 7: GM Transmission Lawsuit Affects Hydra-Matic 8L90 and 8L45 news | 14 days ago
- April 17: GM Shift to Park Recall Needed, Alleges Class Action Lawsuit news | 34 days ago
- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 72 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 78 days ago
- February 22: Chevy Silverado Crushed Roof Lawsuit Moves Forward news | 89 days ago
Chevrolet TSB #PIC6024
2014 Chevrolet Tahoe
TSB Document:
Affected Component: EQUIPMENT:ELECTRICAL
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that will not connect to OnStar. Technician may find Diagnostic Trouble Code B2470-04 set in the Vehicle Communication Interface Module also a red LED on the OnStar keypad will be on. Technician will need to follow published diagnostics for the Diagnostic Trouble Code. If the diagnostics lead to replacement of the Vehicle Communication Interface Module read the OnStar Customer Identifier using Global Diagnostic System 2. If the value falls in range the technician will need to remove power from the module for 5 minutes. After the power cycle was performed, check for the Diagnostic Trouble Code to be set current or history. If the Diagnostic Trouble Code is current replace the module. If the Diagnostic Trouble Code is history no further action is required.
Click a tab for more information.