Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
1. With the scan tool, record and erase DTCs
2. Operate the Driver Door Lock Switch in all positions several times.
3. Turn the ignition on and wait 30 seconds.
4. With the scan tool, read DTCs.
  Does the scan tool display B1804-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK UNLOCK?
  
  Yes
  - Go to step 2
  No
  - The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
DOOR LOCK SWITCH SHORTED

Fig 1: Identifying Door Lock Switch Connector
Courtesy of CHRYSLER LLC
1. With the scan tool, erase DTCs.
2. Disconnect the Driver Window/Door Lock Switch C1 and C2 connectors.
3. With the scan tool, read DTCs.
  Does the scan tool display B1804-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK UNLOCK?
  
  No
  - Replace the Driver Express Window/Door Lock Switch.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  Yes
  - Go to step 3
(G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND

Fig 2: Checking Driver Door Lock Switch MUX Circuit For Short To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Cluster C1 connector.
3. Measure the resistance between ground and the (G161) Driver Door Lock Switch Mux circuit.
  Is the resistance below 10,000 ohms?
  
  Yes
  - Repair the (G161) Driver Door Lock Switch Mux circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 4
(G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO (G167) DRIVER DOOR LOCK SWITCH RETURN CIRCUIT

Fig 3: Checking For Short Between Driver Door Lock Switch MUX And Return Circuits
Courtesy of CHRYSLER LLC
1. Disconnect the Cluster C2 connector.
2. Measure the resistance between the (G161) Driver Door Lock Switch Mux circuit and the (G167) Driver Door Lock Switch Return circuit in the Cluster C2 connector.
  Is the resistance below 10,000 ohms?
  
  Yes
  - Repair the (G161) Driver Door Lock Switch Mux circuit for a short to the (G167) Driver Door Lock Switch Return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the Instrument Cluster in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .