1. Battery pack is not properly charged
    Charge battery completely.
  2. Servo connector is unplugged or loose
    Traxxas micro receivers have two channel 1 steering slots.  Make sure that the steering servo is firmly plugged into channel 1 and the throttle is firmly plugged into channel 2.
  3. Servo lead wires are cut or frayed
    Fix or send the servo back to Traxxas for repair.
  4. Steering linkage damaged
    If you hear the servo responding to steering input and the servo output shaft is turning, check the linkages for damage or disconnection.
  5. Inspect Servo Saver
    If the servo saver is loose or damaged repair or replace it as necessary.
  6. Receiver or transmitter failure
    Return the component to Traxxas for service.
  7. Failed or damaged servo(s)
    Check for stripped servo gears and test the servo(s) for proper operation.
    � For #2018, #2055, and #2070 servos, refer to this PDF for disassembly.
    � For #2080 servo, refer to this PDF for disassembly.
  8. Pivot ball caps are too tight (Maxx or Revo Trucks)
    Loosen the pivot balls