NHTSA-Equipment2003-01-29
ELECTRONIC MOBILITY CONTROLS — EMC/DS-2000 PRIMARY DRIVING CONTROL SYSTEM
ELECTRONIC MOBILITY CONTROLS
Hazard
THE DRIVER CAN LOSE STEERING CONTROL, POSSIBLY RESULTING IN A VEHICLE CRASH.
Remedy
EMC HAS DEVELOPED SEVERAL SAFETY UPGRADES FOR THE DS-2000 TO IMPROVE SYSTEM REDUNDANCY AND RELIABILITY. EMC WILL BRING EACH RETURNED UNIT TO THE CURRENT UPGRADED REVISION OF HARDWARE AND SOFTWARE. A MODIFICATION HAS BEEN MADE THAT FREES UP THE A2D CONVERTER AND FEEDS IT WITH 1/2 THE ENCODER REFERENCE VOLTAGE THROUGH A RESISTOR DIVIDER. THE SOFTWARE WILL BE CHANGED TO MONITOR THAT VOLTAGE AT STARTUP TO MAKE SURE IT IS AN ACCEPTABLE RANGE. IF DURING OPERATION IT CHANGES FROM ITS STARTUP VALVE, THE SYSTEM WILL GIVE AN ERROR, SWITCH SIDES AND GO INTO OPEN LOOP MODE OF OPERATION. THIS EFFECTIVELY TEST ALL THREE REFERENCES IN THE SYSTEM. EMC WILL NOTIFY ITS CUSTOMERS AND PROVIDE THIS REMEDY FREE OF CHARGE. OWNER NOTIFICATION BEGAN AUGUST 12, 2003.
Affected count
400
Products
EMC/DS-2000 PRIMARY DRIVING CONTROL SYSTEM
Official notice
https://www.nhtsa.gov/recalls?nhtsaId=03E003000Don't want to check this manually?
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