B18DE - Power Liftgate Handle Switch Circuit Low: Notes
For a complete wiring diagram, refer to appropriate Wiring Diagram
- >>When Monitored:<< Whenever the power liftgate module is awake.
- >>Set Condition:<< When the power liftgate module senses a voltage of less than 2.0 volts on the liftgate handle switch sense circuit for longer than 20 seconds this code will set.
| Possible Causes |
|---|
| P30 LIFTGATE HANDLE SWITCH SENSE CIRCUIT SHORT TO GROUND |
| P30 LIFTGATE HANDLE SWITCH SENSE CIRCUIT SHORT to THE Q901 SENSOR GROUND CIRCUIT |
| LIFTGATE HANDLE SWITCH |
| POWER LIFTGATE MODULE |
Test Step 1 - DTC Present
- With the scan tool, record DTCs.
- Erase DTCs
- Turn the ignition OFF, wait 10 seconds, then turn the ignition ON.
- Operate the liftgate several times.
- With the scan tool, check for DTCs.
Does the scan tool display B18DE - Power Liftgate Handle Switch Circuit Low
Yes
- Go to Test Step 2 Test Step 2 - Liftgate Handle Switch Short
No
- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition.
- Perform the Body Verification Test. Refer to BODY VERIFICATION TEST .