Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Body Rear End Schematics | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Is the cargo door ajar message displayed? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 |
Does the scan tool display the switch parameter as Active? | Go to Step 4 | Go to Step 8 |
4 | Disconnect the body harness to liftgate harness inline connector C901, or the body harness to cargo door contact plate connectors. Does the scan tool display the switch parameter as Active? | Go to Step 6 | Go to Step 5 |
5 | Test the liftgate ajar switch signal circuit in the liftgate or cargo door harnesses for a short to ground. Refer to Circuit Testing and Testing for Short to Ground in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 10 |
6 | Test the liftgate ajar switch signal circuit for a short to ground. Refer to Circuit Testing and Testing for Short to Ground in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 7 |
7 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 9 |
8 | Inspect for poor connections at the harness connector of the instrument panel cluster. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 11 |
9 | Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 12 | -- |
10 | Replace the faulty cargo door or liftgate ajar switch. Refer to Liftgate Latch Replacement or Door Latch Replacement . Did you complete the replacement? | Go to Step 12 | -- |
11 | Replace the instrument panel cluster (IPC). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
