B1987

B1987 - Left Power Sliding Door Switch Stuck






For a complete wiring diagram, refer to.

• When Monitored: Whenever the totally integrated power module is awake.

• Set Condition: When the TIPM senses voltage that is out of range on the left sliding door pillar switch MUX circuit for longer than 10 seconds.






Test Step 1 - DTC Present

• With the scan tool, record DTCs.

• Erase DTCs.

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

• Operate the left power sliding door several times from the left power sliding door b-pillar switch.

• With the scan tool, read DTCs.

Does the scan tool display this DTC as Active?

Yes

• Go to Test Step 2.

No

• Using the wiring diagram/schematic 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 - Left Sliding Door B-Pillar Switch Stuck






• Disconnect the left sliding door b-pillar switch harness connector.

• Erase DTCs.

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

• With the scan tool, read DTCs.

Does the scan tool display this DTC as Active?

Yes

• Go to Test Step 3.

No

• Replace the left sliding door b-pillar switch..

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

Test Step 3 - Test the Left Sliding Door Pillar Switch MUX Circuit for a Short to Ground







• Disconnect the TIPM harness connector.

• Measure the resistance between ground and the left sliding door pillar switch MUX circuit.

Is the resistance less than 10k ohms?

Yes

• Repair the left sliding door pillar switch MUX circuit for a short to ground.

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

No

• Replace the TIPM.

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