B1958

B1958-POWER LIFTGATE DRIVE CLUTCH CONTROL CIRCUIT LOW





For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
Whenever the Power Liftgate is power opening or closing.

- Set Condition:
The power liftgate module has detected the clutch driver circuit current is over five amps.





Diagnostic Test

1. DTC PRESENT
With the scan tool, record DTC's and any liftgate inhibitors.
Erase DTC's
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 B1958-POWER LIFTGATE DRIVE CLUTCH 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. Body Verification Test

2. POWER LIFTGATE DRIVE UNIT




Disconnect the Power Liftgate Drive Unit connector
Erase DTC's
Turn the ignition off, wait 10 seconds, then turn the ignition on.
With the scan tool, read DTCs.
Does the scan tool display B1958-POWER LIFTGATE DRIVE CLUTCH CONTROL CIRCUIT LOW?

Yes

- Go To 3

No

- Replace the Power Liftgate Drive Unit.
- PERFORM BODY VERIFICATION TEST - VER 1. Body Verification Test

3. (Q201) LIFTGATE CLUTCH DRIVER CIRCUIT SHORT TO GROUND




Turn the ignition off.
Disconnect the Power Liftgate Module C1 connector.
Measure the resistance between ground and the (Q201) Liftgate Clutch Driver circuit in the PLGM C1 connector.
Is the resistance below 10000.0 ohms?

No

- Replace the Power Liftgate Module.
- PERFORM BODY VERIFICATION TEST - VER 1. Body Verification Test

Yes

- Repair the (Q201) Liftgate Clutch Driver circuit for a short to ground.
- PERFORM BODY VERIFICATION TEST - VER 1. Body Verification Test