B196B

B196B - Power Liftgate Close Direction Excessive Time






For a complete wiring diagram, refer to.

• 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.






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

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 => Non-DTC Based Diagnostics. Body Interior

Test Step 2 - Binding Liftgate

• Examine the liftgate for proper alignment, worn or binding hinges, stiff liftgate prop assembly, or loose/hard weatherstrip or anything that would cause an obstruction to proper operation.

• If necessary manually operate the liftgate of a known good vehicle and notice the effort needed.

• Compare the effort needed on the disabled vehicle.

Were there any mechanical problems found?

Yes

• Refer to service information for the related symptoms.

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

No

• Go to Test Step 3

Test Step 3 - Check Power Liftgate Connectors For Excessive Circuit Resistance

• Disconnect all power liftgate module harness connectors.

• Disconnect the power liftgate drive unit harness connector.

• Check all connectors for damage or corroded/pushed out terminals.

Do any connectors or terminals need repairing?

Yes

• Repair as necessary.

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

No

• Replace the power liftgate drive unit.

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