B1968
B1968-POWER LIFTGATE OPEN DIRECTION - EXCESSIVE TIME
For a complete wiring diagram, refer to the Wiring Information.
Theory of Operation
This code can also set if for some reason the liftgate was in an opening operation and it was interrupted by the engine cranking for over 20 seconds.
- When Monitored:
Anytime the Power Liftgate is in a power open operation.
- Set Condition:
The drive motor has taken longer than 15 seconds to complete an open command.
1. DIAGNOSTIC TROUBLE CODE (DTC) PRESENT
1. Using the scan tool, record and erase DTCs.
2. Turn the ignition off, wait 10 seconds, then turn the ignition on.
3. Operate the power liftgate several times if possible.
4. Using the scan tool, read DTCs.
Does the scan tool display B1968-POWER LIFTGATE OPEN DIRECTION - EXCESSIVE TIME?
Yes
- Go To 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. Body Verification Test.
2. BINDING LIFTGATE
1. Examine the liftgate for proper alignment, worn or binding hinges, weak liftgate prop assembly, or loose/hard weatherstrip or anything that would cause an obstruction to proper operation.
2. If necessary manually operate the liftgate of a known good vehicle and notice the effort needed.
3. Compare the effort needed on the disabled vehicle.
Were there any mechanical problems found?
Yes
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Go To 3
3. CHECK FOR EXCESSIVE CIRCUIT RESISTANCE
1. Disconnect all Power Liftgate Module harness connectors.
2. Disconnect the Power Liftgate Drive Unit harness connector.
3. Check all connectors and terminals for corrosion.
Do any connectors or terminals need repairing?
Yes
- Clean and repair wiring as necessary.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Replace the Power Liftgate Drive Unit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.