SOURCE: 2000 catera frequent speedometer not working
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.
SOURCE: ABS, ESP, Level warning lights (2004 Allroad TDI)
I had the brake light switch replaced by a local dealer. Cost was $140 and it fixed the problem. Have driven the car for two weeks since and no lights and all systems normal.
SOURCE: ESP ABS LIGHT ON .AS WELL MY BREAK LIGHT FLASHING.
i have seen this many times on VW passats which are on the same platform. You may need a new abs control unit. if the abs control unit cannot be scanned by a computer, check all fuses. if abs contol unit is needed, there is aftermarket places that can rebuild them, i recommend factory unit.
SOURCE: Audi A4 ESP problem
loss of power sure car is breaking !!! some of the abs sensor broken or dirty
SOURCE: 2003 bmw abs, brake light on. no speedometer
this is a pretty common problem with abvs units. they short out. It will need to be replaced or rebuilt. modulemaster.com can rebuild this for alot less than the BMW will charge
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