Step
| Action
| Value(s)
| Yes
| No
|
1
| Did you perform the Instrument
Cluster System Check?
| --
| Go to
Step 2
| Go to
Instrument Cluster System Check
|
2
| Did you perform the BCM Diagnostic System Check?
| --
| Go to
Step 3
| Go to
Diagnostic System Check - Body Control System
in Body
Control System
|
3
|
- Using the scan tool, select Body Control Module.
- Select Data Display.
- Select Data List.
- Select OUTPUTS.
Does the REAR GATE/DOOR output indicate OPEN with the endgate/liftgate
closed?
| --
| Go to
Step 4
| Go to
Step 9
|
4
|
- Using the scan tool, select Body Control Module.
- Select Data Display.
- Select Data List.
- Select INPUT 1.
Does the REAR GATE/DOOR input indicate OPEN with the endgate/liftgate
closed?
| --
| Go to
Step 5
| Go to
Symptoms
in Engine Controls
- 2.2L or
Symptoms
in Engine Controls
- 4.3L
|
5
|
- Turn the ignition switch to the RUN position.
- Ensure that the gate is closed.
- Connect a DMM to ground.
- Backprobe the BCM connector C2 (BLU) terminal B10
(CKT 1303).
Is battery voltage present?
| B+
| Go to
Step 10
| Go to
Step 6
|
6
|
- Access the gate ajar switch.
- Disconnect the gate ajar switch.
- Turn the ignition switch to the RUN position.
- Connect a DMM to ground.
- Backprobe BCM connector C2 (BLU) terminal B10 (CKT 1303).
Is battery voltage present?
| B+
| Go to
Step 11
| Go to
Step 7
|
7
|
- Disconnect BCM connector C1 and connector C2.
- Remove terminal B10 from BCM connector C2.
- Reinstall BCM connector C2 and connector C1.
- Turn the ignition switch to the RUN position.
- using the scan tool, select Body Control Module.
- Select Data Display.
- Select Data List.
- Select INPUT 1.
Does the REAR GATE/DOOR input indicate OPEN with the endgate/liftgate
closed?
| --
| Go to
Step 10
| Go to
Step 8
|
8
| Locate and repair a short to ground in CKT 1303 between BCM connector C2
terminal B10 and the gate ajar switch. Refer to
Wiring Repairs
Is the repair complete?
| --
| Go to
Instrument Cluster System Check
| --
|
9
| Replace the instrument cluster. Refer to
Instrument Cluster Replacement
Is the repair complete?
| --
| Go to
Instrument Cluster System Check
| --
|
10
|
- Replace the BCM. Refer to
Body Control Module Replacement
- Reconnect all of the disconnected components.
- Program the BCM with the proper calibrations.
- Perform the Passlock™ Learn Procedure using the scan tool.
- Using the scan tool, clear all of the DTCs.
Is the repair complete?
| --
| Go to
Instrument Cluster System Check
| --
|
11
| Replace the gate ajar switch.
Is the repair complete?
| --
| Go to
Instrument Cluster System Check
| --
|
