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its a low speed abs activation the problem is in the front sensors they need to be cleaned or replaced they [or one] probably has some corrosion on the sensor --[the 99 chevy tahoes had a limited recall over this issue and the fix was to remove and clean the abs sensor or if to corroded replace ] this problem doesnt set off an abs code or trouble light also sometimes the abs will activate by itself at under 4 mph without even touching brake
Bad IPC.......If u can round up a tech 2 scanner, do a guage sweep and i bet u will see the temp guage will not operate correctly......a new IPC (Instrument Panel Cluster) is really the only fix. Once installed it has to be programmed. If u need any help send me a return message.
There's speed sensors at each wheel. You may have got some contamination in front of one of them... sounds like the abs is trying to compensate for un equal speed at each wheel... and something may be blocking a proper read at one of the wheels...
GOOD MORN SNOWED 18 INCHES ENGAGED FOUR WHEEL DRIVE IN BOTH HIGH AND LOW, FRONT LEFT WHEEL NOT PULLING RIGHT FRONT DID PULL. RODE AROUND FOR A WHILE. WHILE PARKING THE TRUCK IN MY DRIVEWAY THE FRONT RIGHT STOPPED PULLING IM STUCK IN SNOW NOW. TEN MINUTES BEFORE RIGHT WHEEL STOPPED PULLING THE DFROSTER BLOWER MOTOR STOPPED BLOWING ANY IDEAS
the problem is most likely a wheel speed sensor at one of the front wheels. retrieving a code in the abs system could pinpoint which wheel it is. i believe the wheel speed sensor is part of the bolt on front wheel bearing assy. if you plan on doing this yourself and are mechanically inclined. you will need an a/c volt meter to check sensors. let me know if i can assist further.