Question about 2004 Chevrolet Impala
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Posted on Jan 02, 2017
The traction control works off of the abs.So when abs has problem traction is disabled. If problem started when brakes changed most likely one of these sensors. Check rear wiring and see if you can see any physical damage.
Posted on Nov 11, 2008
The traction control system uses the abs wheel sensors to detect wheel speed if the abs light is on the entire abs system will disable giving you regular braking but it will also stop feeding info to the traction control
Posted on Dec 06, 2008
THE PROBLEM IS WITH A HUB WHEEL SPEED SENSOR OR MORE LIKELY THE HARNESS LEADING TO THE HUB.
CHECK THE RESISTANCE AT THE HUB CONNECTION, IT SHOULD BE BETWEEN 900OHMS AND 1300OHMS. THEN SWITCH TO A-C VOLTAGE, IT SHOULD BE 100MV WHEN TURNING THE WHEEL BY HAND. IF BOTH CHECK OUT THE PROBLEM IS IN THE WIRING TO THE HUB.
THE RIGHT FRONT HUB USUALLY HAS A BEND, DOWNWARD THEN UPWARD NEAR THE CONNECTOR TO THE HUB. THAT IS WHERE THE PROBLEM USUALLY OCCURS.
NEW HARNESS WIRES CAN BE BOUGHT AT THE DEALER.
Posted on Jun 18, 2009
You'll need to have the codes read from the computer. You will have a code that indicates one of the front wheel sensors is bad. This could be the case, but they are very expensive as they are built into the wheel bearing assemblies. It is more likely that the wiring harness between the frame and the part of the front spindle that holds the harness, has broken internally. It is a very common problem and can be repaired with a new wiring harness section or by tracking down the fault and repairing it.
Posted on May 31, 2010
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