Pinpoint Test H: DTC U0155
WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- H1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
- Is an observable symptom present?
- Yes: GO to H2.
- No: The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
- H2 CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: Network Test.
- Carry out the network test.
- Does the IPC pass the network test?
- Yes: GO to H3.
- No: Refer to INSPECTION AND VERIFICATION .
- H3 RECHECK THE PAM DTCs NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during Programmable Module Installation (PMI) or the PMI may not have been carried out.
- Clear the DTCs. Repeat the PAM self-test.
- Is DTC U0155 still present?
- Yes GO to H4.
- No: The system is operating correctly at this time. The DTC may have been set due to high network traffic.
- H4 CHECK FOR DTC U0155 SET IN OTHER MODULES
- Clear all DTCs.
- Ignition OFF.
- Ignition ON.
- Wait 10 seconds.
- Enter the following diagnostic mode on the scan tool: Self-Test.
- Retrieve the continuous memory DTCs from all modules.
- Is DTC U0155 set in any module?
- Yes: INSTALL a new IPC . Refer to INSTALLATION . TEST the system for normal operation.
- No: INSTALL a new PAM . Refer to Removal and Installation . TEST the system for normal operation.