Important: If this vehicle is not equipped with GM Trap Alert please verify Trap Alert is not enabled by reprogramming the body control module (BCM) before using this table. Refer to Control Module References.
Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Release Systems Schematics. | |||
1 | Did you perform the diagnostic system check - vehicle? | Go to Step 2 | |
2 | Open the rear compartment lid. Is the rear compartment lid ajar indicator illuminated/message displayed? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Does the scan tool indicate the rear compartment lid ajar switch signal is active? | Go to Step 9 | Go to Step 4 |
4 |
Is the rear compartment lid ajar indicator illuminated/message displayed? | Go to Step 5 | Go to Step 7 |
5 | Connect a 3-amp fused jumper between the rear compartment lid ajar switch signal and ground circuits. Is the rear compartment lid ajar indicator illuminated/message displayed? | Go to Step 6 | Go to Step 8 |
6 | Inspect for poor connections at the harness connector of the rear compartment lid ajar switch. Refer to Circuit Testingand Wiring Repairs. Did you find and correct the condition? | Go to Step 11 | Go to Step 10 |
7 | Repair open or high resistance in the signal circuit of the rear compartment lid ajar switch. Refer to Circuit Testingand Wiring Repairs. Did you find and correct the condition? | Go to Step 11 | -- |
8 | Repair open or high resistance in the ground circuit of the rear compartment lid ajar switch. Refer to Circuit Testingand Wiring Repairs. Did you find and correct the condition? | Go to Step 11 | -- |
9 | Replace the instrument panel cluster/message centre. Refer to Instrument Cluster Replacement or Radio Replacement . Did you complete the repair? | Go to Step 11 | -- |
10 | Replace the rear compartment lid ajar switch. Did you complete the repair? | Go to Step 11 | -- |
11 | If re-programming is required. Refer to Control Module References. Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |