NHTSA recall 04V190000
Service brakes, hydraulic › Antilock/traction control/electronic limited slip › Control unit/module
Chevrolet Malibu
The defect
Some of these passenger vehicles have an electronic control unit (ecu) that may calculate a higher than actual vehicle speed because of an erratic rear-wheel speed sensor signal, and cause ABS activation where it IS not needed or needed ABS activation to be extended during braking as the vehicle speed drops to about 3 mph.
The risk
Unexpected ABS activiation could increase stopping distance up to about 11 feet dpending on the grade of the road, increasing the risk of a crash.
The remedy
Dealers will reprogram the ABS controller. owner notification began on june 16, 2004. owners should contact chevrolet at 1-800-630-2438.