Ships from our USA and CANADA stock — no extra duties or import fees for US and Canadian customers
What Shops Say About the PRO Module
Intermittent, no fault code, and every clue points at fuel. Three shop owners on why they stopped replacing parts.
Ships from our USA and CANADA stock — no extra duties or import fees for US and Canadian customers
Technical Guides
Why the Resistor Trick Fails on GM Passlock
The 2,200-ohm resistor trick is the cheapest GM Passlock fix online, and the most likely to strand you again. Here's why it stops working.
Which GM Security System Do You Have? VATS, PassKey or Passlock
VATS, PassKey, Passlock or PassKey III? Identify your GM anti-theft system from the key, the symptoms and the model year.