Don't forget that the PCM is looking at multiple things before it engages the clutch. Low pressure switch, high pressure switch, outside ambient air temperature, etc....
Have you verified that all sensor inputs are functioning properly? A switch or sensor is much less expensive than the TIPM. The TIPM is pretty much a glorified fuse box and pretty costly....
Have you verified that all sensor inputs are functioning properly? A switch or sensor is much less expensive than the TIPM. The TIPM is pretty much a glorified fuse box and pretty costly....