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.

CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)S
1. Using the scan tool, read the active DTCs.
2. Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle.
3. Using the scan tool, read the active DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 2
  No
  - If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out or corroded terminals.
CHECK TOTALLY INTEGRATED POWER MODULE FOR U0019 DTC
1. Using the scan tool, read Totally Integrated Power Module active DTCs.
  Does the scan tool display U0019-CAN B BUS as active?
  
  Yes
  - Perform the U0019-CAN B BUS diagnostic procedure. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Diagnosis and Testing .
  No
  - Go to step 3
(D55) CAN B BUS (+) CIRCUIT OPEN

Fig 1: Checking CAN B Bus (+) Circuit For Open
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Totally Integrated Power Module C5 connector.
3. Turn the ignition on.
4. Measure the voltage of the (D55) CAN B Bus (+) circuit.
  Is any voltage present on this circuit?
  
  Yes
  - Go to step 4
  No
  - Repair the (D55) CAN B Bus (+) circuit for an open.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
(D54) CAN B BUS (-) CIRCUIT OPEN

Fig 2: Checking CAN B Bus (-) Circuit For Open
Courtesy of CHRYSLER LLC
1. Measure the voltage of the (D54) CAN B Bus (-) circuit.
  Is any voltage present on this circuit?
  
  Yes
  - Replace the Totally Integrated Power Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Repair the (D54) CAN B Bus (-) circuit for an open.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .