B18E1-2A

B18E1-2A-POWER LIFTGATE FRONT ZONE SWITCH - STUCK





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Whenever the Power Liftgate Module is awake.

- Set Condition:
When the Power Liftgate Module senses the (G25) Liftgate Switch Sense circuit active (2.75 to 4.0 volts) for longer than 15 seconds, this code will set.





1. DTC PRESENT
1. With the scan tool, record the DTCs.
2. Erase the DTCs.
3. Turn the ignition off, wait 15 seconds, then turn the ignition on.
4. Operate the liftgate several times from the overhead switch.
5. With the scan tool, read the DTCs.

Does the scan tool display; B18E1-2A-POWER LIFTGATE FRONT ZONE SWITCH - STUCK?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. FRONT POWER LIFTGATE SWITCH STUCK




1. Disconnect the Front Power Liftgate Switch harness connector.
2. Erase the DTCs.
3. Turn the ignition off, wait 15 seconds, then turn the ignition on.
4. With the scan tool, read the Active DTCs.

Does the scan tool display; B18E1-2A-POWER LIFTGATE FRONT ZONE SWITCH - STUCK?

Yes

- Go To 3

No

- Replace the Front Power Liftgate Switch (Overhead Console). Front Overhead Console - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (G25) LIFTGATE RELEASE SWITCH SENSE CIRCUIT SHORTED TO GROUND




1. Turn the ignition off.
2. Disconnect the Power Liftgate Module C2 harness connector.
3. Measure the resistance between ground and the (G25) Liftgate Release Switch Sense circuit.

Is the resistance below 10K Ohms?

Yes

- Repair the (G25) Liftgate Release Switch Sense circuit for a partial short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Power Liftgate Module. Power Liftgate Control Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.