Test E: The TRUNK AJAR Message Is Inoperative/Always On
PINPOINT TEST E: THE TRUNK AJAR MESSAGE IS INOPERATIVE/ALWAYS ONNormal Operation
When the luggage compartment is open and the ignition switch is in the RUN position, the lighting control module (LCM) sends the instrument cluster (IC) a message over the SCP communication network to illuminate the trunk ajar message.
DTC B1334 (Decklid Ajar Rear Door Circuit Short to Ground) - is an on-demand DTC that sets if the LCM detects a short to ground on circuit 486 (BN/WH).
This pinpoint test is intended to diagnose the following:
- Luggage compartment lamp
- LCM