1991 Chevrolet Suburban 2500 Q&A

1991 Chevrolet Suburban 2500 Question: brake light flashes

brake light flashes 3 short and 1 long what does this mean -
Answer 1
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: http://repairpal.com/directory?address=06093&car_brand_names=Chevrolet -
Comment 1
its a non abs truck -
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