B18E3
B18E3-POWER LIFTGATE FRONT ZONE SWITCH CIRCUIT LOW
- 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 (G25) Liftgate Switch Sense circuit for longer than 10 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 10 seconds, then turn the ignition on.
4. Operate the liftgate several times from the switch bank.
5. With the scan tool, read the DTCs.
Does the scan tool display B18E3-POWER LIFTGATE FRONT ZONE SWITCH CIRCUIT LOW?
Yes
- Go To 2
No
- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
2. LIFTGATE RELEASE SWITCH SHORTED
1. Disconnect the Switch Bank 2 harness connector.
2. Erase DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. With the scan tool, read DTCs.
Does the scan tool display B18E3-POWER LIFTGATE FRONT ZONE SWITCH CIRCUIT LOW?
Yes
- Go To 3
No
- Replace the Switch Bank assembly.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
3. (G25) LIFTGATE 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 Switch Sense circuit.
Is the resistance below 10,000 Ohms?
Yes
- Repair the (G25) Liftgate Switch Sense circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Replace the Power Liftgate Module.
- Perform the BODY VERIFICATION TEST. Body Verification Test.