Pinpoint Test C: U0104:00: U0104:00

C1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify there is an observable symptom present.
Is an observable symptom present?
- Yes : GO to C2
- 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.
C2 CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Using a diagnostic scan tool, perform the network test.
Does the CCM pass the network test?
- Yes : GO to C3
- No : REFER to: COMMUNICATIONS NETWORK .
C3 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE HUD (HEAD UP DISPLAY) MODULE SELF-TEST
- Using a diagnostic scan tool, perform a HUD module self-test.
Is DTC U3003:16 or U3003:1C recorded?
- Yes : For DTC U3003:16, GO to PINPOINT TEST G For DTC U3003:1C, GO to PINPOINT TEST H
- No : GO to C4
C4 RECHECK THE HUD (HEAD UP DISPLAY) MODULE DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Repeat the HUD module self-test.
Is DTC U0104:00 still present?
- Yes : INSTALL a new CCM .
  REFER to: CRUISE CONTROL MODULE (CCM) .
  
  CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the HUD module self-test. If DTC U0104:00 is still present, INSTALL a new HUD module. REFER to HUD MODULE .
- 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.