Turn Signal Indicators Malfunction
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Ignition ON, with a scan tool perform the display test for the instrument panel cluster (IPC) and observe the turn signal lamp indicators.
- If the turn signal lamp indicators illuminate during the test, replace the BCM.
- If the turn signal lamp indicators do not illuminate during the test or remain illuminated at all times, replace the IPC.