Pinpoint Test Av: DTC U0101
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.
- AV1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
- Is an observable symptom present?
- Yes: GO to AV2 .
- 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.
- AV2 CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: Network Test.
- Carry out the network test.
- Does the TCM pass the network test?
- Yes: GO to AV3 .
- No: REFER to MODULE COMMUNICATIONS NETWORK .
- AV3 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 AV4 .
- AV4 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 U0101 still present?
- Yes: GO to AV5 .
- 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.
- AV5 CHECK FOR DTC U0101 SET IN OTHER MODULES
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: Self-Test.
- Retrieve the continuous memory DTCs from all modules.
- Is DTC U0101 set in the Battery Control Module (BCM) module?
- Yes: INSTALL a new TCM . REFER to HIGH VOLTAGE TRACTION BATTERY . CLEAR the DTCs. REPEAT the self-test.
- No: INSTALL a new IC . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.