2. TCM Terminal Function

2015 Kia Forte Koup SX, Automatic TransSECTION 2. TCM Terminal Function
CONNECTOR DESCRIPTION (A)

Pin Description
22 Overdrive clutch control solenoid valve
23 Pressure control solenoid valve
26 SS-B solenoid valve (ON/OFF)
37 Sports mode up switch
38 Sports mode select switch
39 Oil temperature sensor (+)
43 Underdrive brake control solenoid valve
44 35R clutch control solenoid valve
45 Torque converter control solenoid valve
46 26 brake control solenoid valve
58 Sports mode down switch
59 Oil temperature sensor (-)
73 Inhibitor switch signal "S4"
74 Inhibitor switch signal "S2"
75 Inhibitor switch signal "S3"
87 Solenoid power 1
88 Solenoid power 2
89 SS-A solenoid valve A (ON/OFF)
94 Inhibitor switch signal "S1"
95 Output speed sensor power
96 Input speed sensor power
99 Input speed sensor signal
100 Output speed sensor signal
CONNECTOR DESCRIPTION (B)

Pin Description
1 GND (Power)
2 GND (Power)
3 VB (Battery voltage)
4 Ground (Power)
5 VB
60 CAN High
68 IG.1 (Ignition key)
77 CAN Low
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.