Diagnostic Test

WARNING: This page is about a different car, the 2009 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go to step 2
  No
  - The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chaffed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
BRAKE FLUID LEVEL SWITCH
1. Turn the ignition off.
2. Disconnect the Brake Fluid Level Switch harness connector.
3. Connect a jumper wire between the Brake Fluid Level Switch Sense and Return circuits at the Brake Fluid Level Switch harness connector.
4. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go to step 3
  No
  - Replace the Brake Fluid Level Switch in accordance with the service information.
  - Perform the BODY VERIFICATION TEST - VER 1. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .
BRAKE FLUID LEVEL SWITCH SENSE OPEN
1. Turn the ignition off.
2. Disconnect the BCM C9 harness connector.
3. Measure the resistance of the Brake Fluid Level Switch Sense circuit.
  Is the resistance above 10K ohms?
  
  Yes
  - Repair the Brake Fluid Level Switch Sense circuit for an open.
  - Perform the BODY VERIFICATION TEST - VER 1. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .
  No
  - Go to step 4
BRAKE FLUID LEVEL SWITCH RETURN OPEN
1. Measure the resistance of the Brake Fluid Level Switch Return circuit.
  Is the resistance above 10K ohms?
  
  Yes
  - Repair the Brake Fluid Level Switch Return circuit for an open.
  - Perform the BODY VERIFICATION TEST - VER 1. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .
  No
  - Replace the BCM in accordance with the service information.
  - Perform the BODY VERIFICATION TEST - VER 1. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .