B194B

B194B-POWER LIFTGATE REAR ZONE SWITCH CIRCUIT LOW





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 of less than 2.0 volts on the (G29) Liftgate Switch Signal circuit for longer than 10 seconds, this code will set.





Diagnostic Test

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 rear switch.
5. With the scan tool, read the DTCs.

Does the scan tool display B194B-POWER LIFTGATE REAR 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 REAR SWITCH SHORTED




1. Disconnect the Liftgate Rear Switch connector.
2. Erase the DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. With the scan tool, read the DTCs.

Does the scan tool display B194B-POWER LIFTGATE REAR ZONE SWITCH CIRCUIT LOW?

Yes

- Go To 3

No

- Replace the Liftgate Rear Switch.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (G29) LIFTGATE SWITCH SIGNAL 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 (G29) Liftgate Switch Signal circuit.

Is the resistance below 10,000 Ohms?

Yes

- Repair the (G29) Liftgate Switch Signal 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.