Diagnostic Test

VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
NOTE:
Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
1. With the scan tool, read active DTCs.
  Is this DTC active?
  
  Yes
  - Go to 2.
  No
  - Perform the STORED LOST COMMUNICATION DTCS diagnostic procedure. Refer to Diagnosis and Testing .
CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
1. With the scan tool, read all active DTCs from all modules.
  NOTE:
  Check for TIPM configuration, CAN C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.
  
  Does the scan tool display any active DTCs to the conditions listed above?
  
  Yes
  - Go to the appropriate Diagnostic Code Index and perform the appropriate diagnostic procedure.
  No
  - Go to 3.
VERIFY THE WCM IS ACTIVE ON THE BUS
1. Turn the ignition on.
2. With the scan tool, select Network Diagnostics.
3. Verify the WCM is active on the bus.
  Is the WCM active on the bus?
  
  Yes
  - Go to 4.
  No
  - Perform the NO RESPONSE FROM WCM diagnostic procedure. Refer to Diagnosis and Testing .
CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
1. With the scan tool, select Network Diagnostics.
  Is there more than one module with active DTCs "Logged Against" the WCM?
  
  Yes
  - Replace/update the WCM in accordance with the Service Information.
  - Perform the WIRELESS CONTROL MODULE (WCM) VERIFICATION. Refer to Standard Procedure .
  No
  - Go to 5.
CLEAR DTC IN MODULE SETTING FAULT
1. With the scan tool, select the module setting the DTC against the WCM.
2. Clear active DTCs.
  Is this DTC still active?
  
  Yes
  - Replace/update the module that set this DTC in accordance with the Service Information.
  - Perform the appropriate verification test for the module being replaced. If there is no verification test for the associated module perform the BODY VERIFICATION TEST. Refer to Standard Procedure .
  No
  - Go to 6.
CYCLE IGNITION
1. Cycle the ignition from RUN to OFF three time ending with the key in the RUN position.
  Does this DTC become active?
  
  Yes
  - Go to 7.
  No
  - The condition is not present at this time. Using the wiring diagram as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
  - Perform the appropriate VERIFICATION TEST.
CHECK FOR ADDITIONAL LOST COMMUNICATION FAULTS
1. With the scan tool, select Network Diagnostics.
  Does the TIPM and other CAN C BUS modules show Lost Communication with the remaining CAN C BUS modules?
  
  Yes
  - Go to 8.
  No
  - Replace/update the module that set this DTC in accordance with the Service Information.
  - Perform the appropriate verification test for the module being replaced. If there is no verification test for the associated module perform the BODY VERIFICATION TEST. Refer to Standard Procedure .
(D65) CAN C BUS (+) CIRCUIT SHORT TO VOLTAGE

Fig 1: Measuring Voltage Between CAN C Bus (+) Circuit & Ground
Courtesy of CHRYSLER LLC
1. Measure the voltage between the (D65) CAN C Bus (+) circuit and ground.
  Is the voltage above 5.0 volts?
  
  Yes
  - Repair the short to voltage in the (D65) CAN C Bus (+) circuit.
  - Perform the BODY VERIFICATION TEST. Refer to Standard Procedure .
  No
  - Go to 9.
(D64) CAN C BUS (-) CIRCUIT SHORT TO GROUND

Fig 2: Measuring Resistance Between Ground & CAN C Bus (-) Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Measure the resistance between ground and the (D64) CAN C Bus (-) circuit.
  Is the resistance below 10k Ohms?
  
  Yes
  - Repair the short to ground in the (D64) CAN C Bus (-) circuit.
  - Perform the BODY VERIFICATION TEST. Refer to Standard Procedure .
  No
  - Replace/update the module that set this DTC in accordance with the Service Information.
  - Perform the appropriate verification test for the module being replaced. If there is no verification test for the associated module perform the BODY VERIFICATION TEST. Refer to Standard Procedure .