B1934

B1934 - Driver Door Lock/Unlock Switch Circuit Stuck






For a complete wiring diagram, refer to.

• When Monitored: Continuously.

• Set Condition: When the driver door lock switch MUX circuit does not switch from low to high for over 30 seconds, this code will set.






Test Step 1 - Test for an Intermittent Condition

• Turn the ignition ON.

• With the scan tool, erase all DTCs.

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

• Lower the Drivers window.

• Operate the driver door lock switch in the lock and unlock position several times.

• With the scan tool, read DTCs.

Does the scan tool display this DTC?

Yes

• Go to Test Step 2.

No

• The condition that caused this symptom is currently not present. Test for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.

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

Test Step 2 - Driver Door Lock Switch Short to Ground






• With the scan tool, erase all DTCs.

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

• Disconnect the driver window/door lock switch connector.

• With the scan tool, read DTCs.

Does the scan tool display this DTC?

Yes

• Go to Test Step 3.

No

• Replace the left front door lock switch.

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

Test Step 3 - Driver Door Lock Switch MUX Circuit Short To Ground







• Turn the ignition OFF.

• Disconnect the TIPM harness connector.

• Measure the resistance between ground and the driver door lock switch MUX circuit.

Is the resistance more than 10k ohms?

Yes

• Replace the totally integrated power module.

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

No

• Repair the circuit for a short to ground.

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