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