Diagnostic Aids
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
The following table illustrates the ECM connector locations:
DTC P2300, P2303, P2306, P2309, P2312 or P2315
| ECM Connector Location | |
|---|---|
| C2 | C1 |
| Front of Vehicle | |
- Use the J 35616 Connector Test Adapter Kit for any test that requires probing the ECM harness connector or a component harness connector.
- Inspect the ignition coils for aftermarket devices. An aftermarket device connected to the ignition coil circuits, may cause this DTC to set.
- For an intermittent condition, refer to Intermittent Conditions .