Tech Bulletins

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December 12, 2012

Torque Converter Discolored – TCB30

Technical Bulletin #TCB30 Transmission: 6T70 Subject: Torque Converter Discolored Application: GM Issue Date: December, 2012 Some 6T70 applications (RPO MH2, MH4, MH6 or MY9) may exhibit […]
December 12, 2012

TCC Shudder After PCM Replacement – TCB29

Technical Bulletin # TCB29 Transmission: 42RLE Subject: Torque Converter Shudder After PCM Replacement Application: 2009 Chrysler Issue Date: November, 2012 While working on 2009 Chrysler vehicles […]
October 6, 2012

Torque Converter Surge – TCB28

Technical Bulletin # TCB28 Transmission: Allison LCT1000 Subject: Torque Converter Surge Application: GM Issue Date: October, 2012 The engine speed sensor on the early model LCT1000 […]
September 10, 2012

Torque Converter Shudder 25-45 MPH – TCB27

Technical Bulletin # TCB27 Transmission: 6R80 Subject: Torque Converter Shudder 25-45 MPH Application: Ford Issue Date: September, 2012 Torque Converter Shudder 25-45 MPH Some 2010 Ford […]
August 12, 2012

TCC Function while in Displacement Mode – TCB26

Technical Bulletin # TCB26 Transmission: 4T65E Subject: TCC Function while in Displacement Mode Application: GM Issue Date: August, 2012 TCC Function while in Displacement Mode A […]
July 10, 2012

P0741 and/or P0218 – TCB25

Technical Bulletin # TCB25 Transmission: LCT1000 Subject: P0741 and/or P0218 Application: GM Issue Date: July, 2012 P0741 and/or P0218 The customer may complain that the service […]
June 10, 2012

No Movement After Rebuild / P2723 – TCB24

Technical Bulletin # TCB24 Transmission: 6T70/75 Subject: No Movement After Rebuild / P2723 Application: GM Issue Date: June, 2012 A no move condition after rebuild on […]
May 2, 2012

TCC Slip, Shudder or Engine Stall After Rebuild – TCB23

Technical Bulletin # TCB23 Transmission: 6T70/75 Subject: TCC Slip, Shudder and/or Engine Stall After Rebuild Application: GM Issue Date: May, 2012 A 2007 and later GM […]
April 25, 2012

TCC Slip RPM – TCB22

Technical Bulletin # TCB22 Transmission: 4T65E Subject: TCC Slip RPM Application: GM Models with AFM Issue Date: April, 2012 TCC Slip RPM In 2007 GM introduced […]