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B19BA






B19BA - Left Power Sliding Door Drive Motor - Incorrect Direction

For a complete wiring diagram, refer to.

When Monitored: Whenever the left power sliding door motor is in operation.

Set Condition: This code will set when the power sliding door module senses the direction of the drive motor is in opposition to the direction it is trying to drive the power sliding door.






Test Step 1 - Check For DTCs

With the scan tool, record DTCs and any power sliding door inhibitors.

Erase the DTCs.

Turn the ignition OFF, wait 10 seconds, then turn the ignition ON.

Attempt to operate the left power sliding door.

With the scan tool, check for DTCs.

Does the scan tool display B19BA - Left Power Sliding Door Drive Motor - Incorrect Direction?

Yes

Go to Test Step 2

No

Using the wiring diagrams as a guide, inspect the wiring and connectors for an intermittent condition.

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

Test Step 2 - Check the Left Power Sliding Door

Examine the left power sliding door for proper alignment, worn or binding rollers and hinges, loose/damaged weatherstrip, and track assembly for wear or anything that would cause an obstruction to proper operation.

If necessary manually operate the left power sliding door on a known good vehicle and notice the effort needed to open and close for comparison.

Especially notice the effort needed to unlatch and close the left power sliding door.

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 the Left Power Sliding Door Module and Motor Connectors

At this time it will be necessary to remove the power sliding door drive unit assembly from the vehicle.

Turn the ignition OFF.

Remove the power sliding door drive unit assembly from the vehicle.

Disconnect the power sliding door motor 8 way harness connector.

Check the left power sliding door motor 8 way harness connector for proper terminal contact, corrosion, damaged terminals, or pinched/broken wires.

Were any problems found?

Yes

Repair any wiring problems if possible. If the wiring or connector cannot be repaired, replace the power sliding door drive unit assembly.

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

No

Replace the left power sliding door drive unit assembly.

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