Question about 2000 Cadillac Catera
, car runs great, however, the speedometer will stop working and the ABS light comes on and the power steering gets tight. Any suggestions?
Hi, in ure case the abs ecu is obviously a main ecu. it sounds like you have a can communication problem where your system detects hi speed can malfunction, or interferance, measure your end of line resistance=120ohms and network nominal value should be 60ohms voltages between can hi and low should ad up to 5v , or to ground eg. can hi=2.7v then can low should measure 2.3v. if either one of these measurements dont add up you know which cercuit is at fault.
It might even be a vehicle speed /wheelspeed sensor contaminated or damaged component causing system shut down.
Posted on Jul 22, 2008
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Posted on Jan 02, 2017
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