Pinpoint Test TB: Transmission Control Switch (TCS)/Transmission Control Indicator Lamp (TCIL): Introduction

This pinpoint test is intended to diagnose the following:

For PCM connector views or reference values, refer to REFERENCE VALUES .

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PIN REFERENCE CHART

Vehicle	Connector	Pin	Circuit
E-Series 4.6L, E-Series 5.4L, Focus, Transit Connect	190-Pin	T30	TCS
E-Series 6.8L, F-Series Super Duty 6.8L	170 Pin	B27	TCS
Edge, Flex, MKS, MKT, MKX, Taurus	190-Pin	B16	TCS
Escape/Mariner, Fusion, Milan	190-Pin	T31	TCS
F-150	190-Pin	B30	TCS
F-Series Super Duty 5.4L	170 Pin	B43 B27	TCIL TCS
All other vehicles	170 Pin	B29	TCS