GM Service Manual Online
For 1990-2009 cars only

Component Resistance Chart

Cavities

Component

Resistance @ 20°C (68°F)

Resistance @ 88°C (190°F)

A-E

1-2 Shift Solenoid valve

19-24ohms

24-31ohms

B-E

2-3 Shift Solenoid valve

19-24ohms

24-31ohms

C-E

Torque Converter Clutch (TCC) Pulse Width Modulation (PWM) Solenoid valve

10-12ohms

13-15ohms

D-E

Torque Converter Clutch (TCC) Solenoid valve

19-24ohms

24-31ohms

F-G

Automatic Transmission Fluid Temperature (TFT) Sensor

3.1-3.9Kohms

Refer to Temperature vs Resistance