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B1963






B1963 - Power Liftgate Strut Performance






For a complete wiring diagram, refer to.

When Monitored: One second after the liftgate completes a power opening operation.

Set Condition: If the liftgate starts to drop after a complete opening operation, the power liftgate module will set this code.






Test Step 1 - DTC Present

With the scan tool, record DTCs and any liftgate inhibitors.

Erase DTCs.

Turn the ignition OFF, wait 10 seconds, then turn the ignition ON.

Operate the liftgate several times.

With the scan tool, check for DTCs.

Does the scan tool display B1963 - Power Liftgate Strut Performance?

Yes

Go to Test Step 2

No

Ensure there is no intermittent binding or cold weather condition which may have caused this code to set.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

Test Step 2 - Weak Struts

Manually open the liftgate to approximately 1/4 open position.

Leave go of the liftgate and see if it will self rise.

If necessary, compare the effort to open and close the liftgate with a known good vehicle.

Does the liftgate self rise as it should?

No

Replace the liftgate prop rods.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

Yes

Replace the power liftgate drive unit.

Perform the Body Verification Test. Refer to=> Non-DTC Based Diagnostics. Body Interior