Pinpoint Test AZ: DTC U0164:87
WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
- AZ1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
- Is an observable symptom present?
- Yes : GO to AZ2.
- 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.
- AZ2 CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: Network Test.
- Carry out the network test.
- Does the HVAC module pass the network test?
- Yes : GO to AZ3.
- No : REFER to MODULE COMMUNICATIONS NETWORK .
- AZ3 RETRIEVE THE RECORDED DTCs FROM THE IPC AND HVAC MODULE SELF-TESTS
- Check for recorded DTCs from the IPC and HVAC module self-tests.
- Is DTC U3003:16 or DTC U3003:17 recorded?
- Yes
: For IPC DTC U3003:16, GO to PINPOINT TEST BB .
For IPC DTC U3003:17, GO to PINPOINT TEST BC .
For the HVAC module, REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
- No : GO to AZ4.
- AZ4 RECHECK THE IPC DTCs NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during the Programmable Module Installation (PMI) or PMI may not have been carried out.
- Clear the DTCs. Repeat the IPC self-test.
- Is DTC U0164:87 still present?
- Yes : INSTALL a new HVAC module. REFER to CLIMATE CONTROL . CLEAR the DTCs. REPEAT the IPC self-test. If DTC U0164:87 is still present, INSTALL a new IPC. REFER to INSTRUMENT PANEL CLUSTER (IPC) . TEST the system for normal operation.
- No : The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.