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Pinpoint Test D: U0140:00: U0140:00

  1. D1 CHECK THE COMMUNICATION NETWORK 
    • Ignition ON.
    • Using a diagnostic scan tool, carry out the Network Test.

    Do both the BCM and the GWM pass the Network Test? 

    1. Yes  : GO to D2 
    2. No  : DIAGNOSE the no communication with the BCM  or GWM  .

      REFER to: COMMUNICATIONS NETWORK .

  2. D2 CHECK THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS) 
    • Using a diagnostic scan tool, carry out the ABS  module self-test.
    • Retrieve and record all ABS  module Diagnostic Trouble Codes (DTCs).
    • Clear the Diagnostic Trouble Codes (DTCs).
    • Ignition OFF.
    • Ignition ON.
    • Repeat the ABS  module self-test.

    Is DTC U0140:00 retrieved again? 

    1. Yes  : GO to D3 
    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.
  3. D3 REVIEW THE RECORDED ABS (ANTI-LOCK BRAKE SYSTEM) MODULE SELF-TEST DIAGNOSTIC TROUBLE CODES (DTCS) 
    • Check the recorded Diagnostic Trouble Codes (DTCs) from the ABS  module self-test.

    Was DTC U3003:16 or U3003:17 recorded in the ABS module? 

    1. Yes  : For DTC  U3003:16, GO to PINPOINT TEST A 

      For DTC  U3003:17, GO to PINPOINT TEST F 

    2. No  : GO to D4 
  4. D4 RETRIEVE ANY DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE GWM (GATEWAY MODULE A) 
    • Using a diagnostic scan tool, carry out the GWM  self-test.

    Are any Diagnostic Trouble Codes (DTCs) present in the GWM ? 

    1. Yes  : GO to the DTC  Chart: GWM  .

      REFER to: COMMUNICATIONS NETWORK .

    2. No  : GO to D5 
  5. D5 RETRIEVE ANY DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCM (BODY CONTROL MODULE) 
    • Using a diagnostic scan tool, carry out the BCM  self-test.

    Is DTC U3003:16 or U3003:17 recorded? 

    1. Yes  : REFER to: BODY CONTROL MODULE (BCM) .
    2. No  : GO to D6 
  6. D6 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0140:00 SET IN OTHER MODULES 
    • Using the diagnostic scan tool, carry out the self-test for all modules.
    • Retrieve and record the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

    Is DTC U0140:00 set in 1 or more modules in addition to the ABS module? 

    1. Yes  : CHECK OASIS  for any applicable Technical Service Bulletins (TSBs). If a TSB  exists for this concern, DISCONTINUE this test and FOLLOW the TSB  instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new BCM.

      REFER to: BODY CONTROL MODULE (BCM) .

    2. No  : CHECK OASIS  for any applicable Technical Service Bulletins (TSBs). If a TSB  exists for this concern, DISCONTINUE this test and FOLLOW the TSB  instructions.

      If no Technical Service Bulletins (TSBs) address this concern and DTC  U0140:00 was set by the ABS  module, INSTALL a new ABS  module and HCU  assembly.

      REFER to: HYDRAULIC CONTROL UNIT (HCU)  .

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