C0407

BUICK

Certain 2018 model year Buick Regal vehicles may have a condition where they were built with rear differential modules (RDM) which have one suspect bolt hole with a shallower depth than the rest of the bolt holes, causing the one bolt to bottom out and not fully seat. This can result in the RDM cover becoming loose, which could …

CHEVROLET

This technical bulletin provides a procedure to program the RDCCM if the DTC C0407 is set.

CHEVROLET

This technical bulletin provides a procedure to program the RDCCM if the DTC C0407 is set.

CHEVROLET

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent "service Rear Axle" message. Technician may find Diagnostic Trouble Code C0407 set in the Rear Differential Clutch Control Module. Dealer should communicate to the customer that we apologize for this inconve…