B1963 - Power Liftgate Strut Performance: Notes

For a complete wiring diagram, refer to appropriate Wiring Diagram

• >>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.

Possible Causes
WEAK STRUTS
POWER LIFTGATE DRIVE UNIT

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 Test Step 2 - Weak Struts 

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 BODY VERIFICATION TEST .