B1968–POWER LIFTGATE OPEN DIRECTION – EXCESSIVE TIME | JEEP Commander 2007 DIY Repair Guide

B1968–POWER LIFTGATE OPEN DIRECTION – EXCESSIVE TIME

For a complete wiring diagram Refer to Section 8W

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.

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

POWER LIFTGATE DRIVE UNIT

INCORRECT POWER LIFTGATE MODULE IS INSTALLED IN THE VEHICLE

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.

Diagnostic Test

1.DTC PRESENT

Does the scan tool display B1968–POWER LIFTGATE OPEN DIRECTION – EXCESSIVE TIME?

Yes

Go To2

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 BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

2.BINDING LIFTGATE

Were there any mechanical problems found?

Yes

Refer to Service information for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

Go To 3

3.CHECK FOR EXCESSIVE CIRCUIT RESISTANCE

Do any connectors or terminals need repairing?

Yes

Clean and repair as necessary.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

Replace the Power Liftgate Drive Unit in accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).