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Pinpoint Test BH: U0101:00: U0101:00

  1. BH1 VERIFY THE CUSTOMER CONCERN 
    • Ignition ON.
    • Verify there is an observable symptom present.

    Is an observable symptom present? 

    1. Yes  : GO to BH2 
    2. 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.
  2. BH2 CHECK THE COMMUNICATION NETWORK 
    • Ignition ON.
    • Using a diagnostic scan tool, perform a network test.

    Does the PCM pass the network test? 

    1. Yes  : GO to BH3 
    2. No  : REFER to: COMMUNICATIONS NETWORK .
  3. BH3 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS) 
    • Using a diagnostic scan tool, check the GWM  Continuous Memory Diagnostic Trouble Codes (DTCs).

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    1. Yes  : REFER to: COMMUNICATIONS NETWORK .
    2. No  : GO to BH4 
  4. BH4 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST 
    • Using a diagnostic scan tool, perform the IPC  self-test.

    Is DTC U3006:16 or DTC U3006:17 recorded? 

    1. Yes  : REFER to DTC Chart: IPC .
    2. No  : GO to BH5 
  5. BH5 RECHECK THE IPC (INSTRUMENT PANEL CLUSTER) DIAGNOSTIC TROUBLE CODES (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 Programmable Module Installation (PMI) may not have been carried out.
    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
    • Wait 10 seconds.
    • Repeat the IPC  self-test.

    Is DTC U0101:00 still present? 

    1. Yes  : GO to BH6 
    2. 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.
  6. BH6 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0100:00 SET IN OTHER MODULES 
    NOTE: If new modules were installed prior to the DTC  being set, the module configuration can be incorrectly set during the Programmable Module Installation (PMI) or the Programmable Module Installation (PMI) may not have been carried out.
    • Using a diagnostic scan tool, retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs).

    Is DTC U0100:00 set in the BCM ? 

    1. Yes  : GO to BH7 
    2. 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.
  7. BH7 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION 
    • Ignition OFF.
    • Disconnect and inspect all PCM  connectors.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    • Reconnect all the PCM  connectors. Make sure they seat and latch correctly.
    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    1. Yes  : CHECK OASIS  for any applicable Technical Service Bulletins (TSBs). If a TSB  exists for this concern, DISCONTINUE this test and FOLLOW TSB  instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new PCM  . Refer to the appropriate Engine Mechanical article for the procedure. CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the IPC  self-test. If DTC  U0146:00 is still present, GO to BH8 
    2. No  : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
  8. BH8 CHECK FOR CORRECT IPC (INSTRUMENT PANEL CLUSTER) OPERATION 
    • Ignition OFF.
    • Disconnect and inspect IPC  connector.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    • Reconnect the IPC  connector. Make sure it seats and latches correctly.
    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    1. Yes  : CHECK OASIS  for any applicable Technical Service Bulletins (TSBs). If a TSB  exists for this concern, DISCONTINUE this test and FOLLOW TSB  instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new IPC  . REFER to: INSTRUMENT PANEL CLUSTER (IPC)  .
    2. No  : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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