Vehicle make/model = 1999 grandam
Mileage = 126000
Engine size = 3.4L
dash lights = ABS and Brake
codes = c1236
tech = mw
question = I am just wondering if there is one common problem that
occurs when this code pops up and where to start trouble shooting.






MW:
Have had a few poor connections on the bottom side of the underhhod fuse
block at the abs fuse and relay terminals causing low voltage.
Also poor grounds on the trans. bellhousing.
1 or 2 bad control modules.
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