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 |
Diagnostic Test
1. DTC PRESENTWith the scan tool, record DTCs.
Erase DTCs.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the liftgate several times.
With the scan tool, read DTCs.
Does the scan tool display B1960–POWER LIFTGATE CHIME CONTROL 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 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.
Disconnect the License Plate Lamp harness connector.
Erase DTCs.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the Power Liftgate.
With the scan tool, read DTCs.
Does the scan tool display B1960–POWER LIFTGATE CHIME CONTROL CIRCUIT LOW?
Yes
- Go To3
No
- 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
Turn the ignition off.
Disconnect the Power Liftgate Module C2 harness connector.
Measure the resistance between ground and the (Q94) Liftgate Chime Driver circuit.
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).