code 72 in the abs system
Thread Starter
Instructor
Joined: May 2020
Posts: 239
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code 72 in the abs system
driveing it,all was good,shut off car, now will not shift out of 1st gear with a code 72 in the abs system,any clues? i reset all the asr cables and it shifted perfect for a day, now back to not shifting out of first and set this code
Thread Starter
Instructor
Joined: May 2020
Posts: 239
Likes: 29
ccm code 41- ecm has a optispark code 16 and 36- abs system has code 72 yes onboard hand held diognostic old gm tech hand held- optispark was throwing code- replaced optispark still throws optispark code 1993 year-
