brake light flashes 3 short and 1 long what does this mean
Chevrolet Q&AAsk Your Question
1991 Chevrolet Suburban 2500 Question: brake light flashes
Answer #1dandd October 19, 2010, 20:24Master
Sounds like your ABS system has a fault code stored in memory. A code 1 is a problem with the ABS ECU thus the 1flash.
A code 3 is an open dump valve code, thus the 3 flashes.
Best to see a shop that knows how to deal with an ABS problem:
ReplyVisitor, October 20, 2010, 13:54
its a non abs truck