Circuit/System Testing
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the X2 harness connector at the K29F Seat Heating Control Module - Front.
- Test for infinite resistance between the control circuit terminals listed below and ground:
- Terminal 3
- Terminal 5
- If less than infinite resistance
Repair the short to ground on the circuit.
- Go to next step: If infinite resistance
- Ignition ON.
- Test for less than 1 V between the control circuit terminals listed below and ground:
- Terminal 3
- Terminal 5
- If 1 V or greater
Repair the short to voltage on the circuit.
- Go to next step: If less than 1 V
- Replace the K29F Seat Heating Control Module - Front.