B19C4
B19C4 - Left Power Sliding Door Drive Close Direction Excessive Time
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 left power sliding door module senses the left power sliding door motor has taken longer than 20 seconds to complete a power closing operation. It will also set if an ignition crank message is sent, lasting longer than 15 seconds, during an closing operation.
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 B19C4 - Left Power Sliding Door Drive Close Direction Excessive Time?
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.
• 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 during a power closing operation.
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 Power Sliding Door Clutch
• Manually open the sliding door part way.
• With the scan tool, actuate the drive clutch.
• Try to manually move the sliding door and notice the effort to move it.
Was it difficult to move the sliding door when the clutch was engaged?
No
• Go to Test Step 5
Yes
• Go to Test Step 4
Test Step 4 - 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 power sliding door motor connector for proper terminal contact, corrosion, damaged terminals, or pinched/broken wires. Check for any mechanical problems.
Were any wiring or mechanical problems found?
Yes
• Repair any wiring or mechanical problems.
• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior
No
• Replace the left power sliding door module and drive unit assembly.
• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior
Test Step 5 - Check the Power Sliding Door Module
• 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 module connector.
• Remove the power sliding door module from the track.
• Reconnect the C383 left body 4 way harness connector.
• Connect the PSDM connector to the module.
• Turn the ignition ON.
• Measure the voltage between the door motor clutch driver circuit and the door motor clutch return circuit in the PSDM C2 (component side) 8 way connection.
• With the scan tool, actuate the drive clutch engage.
Is the voltage between 12.5 and 14.0 volts when the clutch is activated?
Yes
• Replace the power sliding door drive unit.
• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior
No
• Replace the power sliding door module.
• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior