Pinpoint Test Bf: DTC U0164
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- BF1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
- Is an observable symptom present?
- Yes: GO to BF2 .
- 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.
- BF2 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 BF3 .
- No: REFER to MODULE COMMUNICATIONS NETWORK .
- BF3 RETRIEVE THE RECORDED DTCs FROM THE IC SELF-TEST
- Check for recorded IC DTCs from the self-test.
- Is DTC B1317 or DTC B1318 recorded?
- Yes: GO to PINPOINT TEST AR (B1317) or GO to PINPOINT TEST AS (B1318).
- No: GO to BF4 .
- BF4 RECHECK THE IC 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 the PMI may not have been carried out.
- Clear the DTCs. Repeat the IC self-test.
- Is DTC U0164 still present?
- Yes:
INSTALL a new HVAC module. CLEAR the DTCs. REPEAT the IC
self-test.
If DTC U0164 is still present, INSTALL a new IC . REFER to INSTRUMENT CLUSTER (IC) . 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.