B1960–POWER LIFTGATE CHIME CONTROL CIRCUIT LOW

For a complete wiring diagram Refer to Section 8W

When Monitored:
Whenever the Power Liftgate Module is activating the chime.
Set Condition:
The power liftgate module has detected the chime circuit voltage is low.

Possible Causes

(Q94) LIFTGATE CHIME DRIVER CIRCUIT SHORT TO GROUND

CHIME

POWER LIFTGATE MODULE

1.DTC PRESENT

Does the scan tool display B1960–POWER LIFTGATE CHIME CONTROL CIRCUIT LOW?

Yes

Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

2. CHIME SHORTED

NOTE: The Power Liftgate Chime is part of the License Plate Lamp assembly.

Does the scan tool display B1960–POWER LIFTGATE CHIME CONTROL CIRCUIT LOW?

Yes

Replace the Power Liftgate Chime in accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

3.(Q94) LIFTGATE CHIME DRIVER CIRCUIT SHORT TO GROUND

Is the resistance below 1000.0 ohms?

No

Replace the Power Liftgate Module in accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

Yes

Repair the (Q94) Liftgate Chime Driver circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).