ZF 6HP26 Archives - Transmission Digest
A guide to common GM, Ford and Nissan programming issues

One of the most common complaints I hear from shops when trying to install a new GM TCM is, “The module will not communicate.” While that might be partially true, by design they won’t communicate until they are programmed. If programming fails, there will be an “E” code set which will help you get to

Sonnax introduces new piston for ZF, Ford six-speed transmissions

Sonnax highlights its new high-strength billet aluminum piston (part no. 95984-01), which is designed to provide additional strength in ZF 6HP26 and Ford 6R60/75/80 transmissions. According to Sonnax, die-cast ZF 6HP26 and Ford 6R60/75/80 pistons commonly crack at the outer diameter of the apply area due to manufacturing defects and/or high stress areas, which is

Sonnax-95984-01-1400
Bad Bimmer, Bad

A BMW X5 SUV came into the shop on the hook with a no-move condition and a major leak from a cooler line.