B196B - Power Liftgate Close Direction Excessive Time: Notes

For a complete wiring diagram, refer to appropriate Wiring Diagram

• >>When Monitored:<< Anytime the power liftgate is in a power close operation.
• >>Set Condition:<< The drive motor has taken longer than 15 seconds to complete a close command or 20 seconds with the engine cranking.

Possible Causes
BINDING LIFTGATE
EXCESSIVE CIRCUIT RESISTANCE ON THE A115 POWER LIFTGATE MODULE FUSED B+ CIRCUIT, THE Q88 LIFTGATE OPEN DRIVER CIRCUIT, OR THE Q89 LIFTGATE CLOSE DRIVER CIRCUIT
LINK ROD NOT CONNECTED
POWER LIFTGATE DRIVE UNIT
INCORRECT POWER LIFTGATE MODULE WAS INSTALLED

Theory of Operation

This code can also set if for some reason the liftgate was in a closing operation and it was interrupted by the engine cranking for over 20 seconds.

Test Step 1 - DTC Present

• With the scan tool, record and erase DTCs.
• Turn the ignition OFF, wait 10 seconds, then turn the ignition ON.
• Operate the power liftgate several times if possible.
• With the scan tool, check for DTCs.

Does the scan tool display B196B - Power Liftgate Close Direction Excessive Time?

Yes

• Go to Test Step 2 Test Step 2 - Binding Liftgate 

No

• Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition. Operate the liftgate several times and check for any binding conditions.
• Perform the Body Verification Test. Refer to BODY VERIFICATION TEST .