B1949-12

B1949-12-POWER LIFTGATE REAR ZONE SWITCH - CIRCUIT SHORT TO BATTERY





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 a voltage over 4.5 volts on the (G29) Liftgate Switch Signal circuit for longer than 15 seconds, this code will set.





1. DTC PRESENT
1. With the scan tool, record and erase the DTCs.
2. Turn the ignition off, wait 10 seconds, then turn the ignition on.
3. Operate the liftgate several times from the rear switch.
4. With the scan tool, read the Active DTCs.

Does the scan tool display; B1949-12-POWER LIFTGATE REAR ZONE SWITCH - CIRCUIT SHORT TO BATTERY?

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 poor pin fit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. LIFTGATE REAR SWITCH SHORTED




1. Disconnect the Power Liftgate Rear Switch 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 DTCs.

Does the scan tool display; B1949-12-POWER LIFTGATE REAR ZONE SWITCH - CIRCUIT SHORT TO BATTERY?

Yes

- Go To 3

No

- Replace the Power Liftgate Rear Switch. D Pillar Switch - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (G29) LIFTGATE SWITCH SIGNAL CIRCUIT SHORTED TO VOLTAGE




1. Turn the ignition off.
2. Disconnect the Power Liftgate Module C2 harness connector.
3. Turn the ignition on.
4. Measure the voltage between ground and the (G29) Liftgate Switch Signal circuit.

Is there any voltage present?

Yes

- Repair the (G29) Liftgate Switch Signal circuit for a short to voltage.
- 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.