2015-2016 Scion FR-S Idle Fluctuation in Park or Neutral

MG

MG

Moderator
Some 2015 – 2016 model year FR-S vehicles may exhibit a condition where the engine idle
speed fluctuates (typically 500 – 1000 RPM) only when the transmission is in the Park or Neutral
shift position. This condition occurs after the vehicle has been driven about 25 miles or more at
highway speeds. The Transmission Control Module (TCM) logic has been revised to address this
condition. Use the following TSB SB-0021-15 (revision 2) for reprogramming the TCM.

This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 36,000 miles, whichever occurs first, from the vehicle’s in-service date.
 
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