Not communicating with TCM?

2009 VOLKSWAGEN PASSAT
120,000 MILES • 2.0L • 4 CYL • 2WD • AUTOMATIC
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DAVEO69ER
Shift selector locked in park rats chewed wires, replaced top plug on transmission and various other wires, is there another plug in on the transmission?
Oct 27, 2024 at 11:19 AM
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STRAILER
  • ✓ASE Certified Mechanic
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Yep, rats are rough on cars :/ There is only one wiring connector on the transmission, I would check the fuses (4) and grounds to make sure they are all working, here is a guide to help and and I have included the TCM wiring daigrams so you can see how the system works and which fuses to check.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

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Oct 28, 2024 at 10:41 AM
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