Unexpected Elevated Idle Speed

WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC ROUTINES - UNEXPECTED ELEVATED IDLE SPEED

Possible Component	Reference/Action
262 - ROUTINE
Powertrain Control System
PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), vehicle wiring harnesses, internal transmission wiring harness, Shift Solenoid Pressure Control A (SSPCA), Transmission Solenoid Power Control driver circuit, Torque Converter Clutch (TCC) solenoid, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor, Transmission Range (TR) sensor Power Take-Off (PTO) input	Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE MODELS for diagnosis and testing of the PCM. For gasoline engines, GO to PINPOINT TEST A , GO to PINPOINT TEST B , GO to PINPOINT TEST C and GO to PINPOINT TEST D . For diesel engines, GO to PINPOINT TEST F , GO to PINPOINT TEST G , GO to PINPOINT TEST H and GO to PINPOINT TEST I .
Failure Mode Effect Management has been enabled. Refer to Routine 266	Repair as required. Clear the DTCs, road test and rerun OBD test.
PTO Module Assembly
Module damaged	Refer to the INTRODUCTION - GASOLINE MODELS for diagnosing and testing the PTO module.