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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 1096 (Information Center - Instrumentation, Message Center And Warning Chimes (2 Of 2)) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes - Vehicles With: Head Up Display (HUD) >> DTC Chart: Head Up Display (HUD) >> DTC Chart - HUD Module

DTC Chart - HUD Module

WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
DTC Description Action
U0100:00 Lost Communication With ECM/PCM "A": No Sub Type Information GO to Pinpoint Test I 
U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to Pinpoint Test J 
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information GO to Pinpoint Test K 
U0184:00 Lost Communication With HVAC Control Module: No Sub Type Information GO to Pinpoint Test L 
U0193:00 Lost Communication With "Digital Audio Control Module A": No Sub Type Information GO to Pinpoint Test M 
U0208:00 Lost Communication With "Seat Control Module A": No Sub Type Information GO to Pinpoint Test N 
U0212:00 Lost Communication With Steering Column Control Module: No Sub Type Information GO to Pinpoint Test O 
U0232:00 Lost Communication With Side Obstacle Detection Control Module - Left: No Sub Type Information GO to Pinpoint Test P 
U0233:00 Lost Communication With Side Obstacle Detection Control Module - Right: No Sub Type Information GO to Pinpoint Test P 
U0238:00 Lost Communication With Digital Audio Control Module "D": No Sub Type Information GO to Pinpoint Test Q 
U023A:00 Lost Communication With Image Processing Module A: No Sub Type Information GO to Pinpoint Test R 
U0253:00 Lost Communication With Accessory Protocol Interface Module: No Sub Type Information GO to Pinpoint Test S 
U0256:00 Lost Communication With Front Controls Interface Module "A": No Sub Type Information GO to Pinpoint Test T 
U0401:00 Invalid Data Received from ECM/PCM A: No Sub Type Information This DTC sets when the HUD module receives invalid cruise control network data from the PCM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM and other modules on the network. Refer to: Electronic Engine Controls . If no Diagnostic Trouble Codes (DTCs) are present in the PCM, DIAGNOSE the observable symptom.
U0401:82 Invalid Data Received from ECM/PCM A: Alive/Sequence Counter Incorrect/Not Updated This DTC sets when the HUD fails to receive updated cruise control data from the PCM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM and other modules on the network. Refer to: Electronic Engine Controls . If no Diagnostic Trouble Codes (DTCs) are present in the PCM, DIAGNOSE the observable symptom.
U0405:56 Invalid Data Received From Cruise Control Module: Invalid/Incompatible Configuration This DTC sets when the HUD module receives invalid forward collision warning data from the CCM. CHECK the vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT the PMI procedure using As-Built data as directed by the scan tool. If there have been no recent service actions, INSTALL a new module to correct the failure to retain configuration data.
U0424:81 Invalid Data Received From HVAC Control Module: Invalid Serial Data Received This DTC sets when the HUD module receives invalid outside air temperature data from the HVAC module. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the FCIM. Refer to: Information and Entertainment System . If no Diagnostic Trouble Codes (DTCs) are present in the FCIM, DIAGNOSE the observable symptom.
U0424:82 Invalid Data Received From HVAC Control Module: Alive/Sequence Counter Incorrect/Not Updated This DTC sets when the HUD module fails to receive updated outside air temperature data from the HVAC module. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the FCIM. Refer to: Information and Entertainment System . If no Diagnostic Trouble Codes (DTCs) are present in the FCIM, DIAGNOSE the observable symptom.
U0429:81 Invalid Data Received From Steering Column Control Module: Invalid Serial Data This DTC sets when the HUD module receives invalid network data for the driver selected illumination settings from the SCCM module. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the SCCM. Refer to: Steering Wheel and Column Electrical Components . If no Diagnostic Trouble Codes (DTCs) are present in the SCCM, DIAGNOSE the observable symptom.
U0429:82 Invalid Data Received From Steering Column Control Module: Alive/Sequence Counter Incorrect/Not Updated This DTC sets when the HUD module fails to receive updated network data for the driver selected illumination settings from the SCCM module. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the SCCM. Refer to: Steering Wheel and Column Electrical Components . If no Diagnostic Trouble Codes (DTCs) are present in the SCCM, DIAGNOSE the observable symptom.
U0431:81 Invalid Data Received From Body Control Module "A": Invalid Serial Data Received This DTC sets when the HUD module receives invalid illumination data from the BCM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the BCM. Refer to: Body Control Module (BCM) . If no Diagnostic Trouble Codes (DTCs) are present in the BCM, DIAGNOSE the observable symptom.
U0485:81 Invalid Data Received From Radio: Invalid Serial Data Received This DTC sets when the HUD module receives invalid satellite radio data from the ACM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the ACM. Refer to: Information and Entertainment System . If no Diagnostic Trouble Codes (DTCs) are present in the ACM, DIAGNOSE the observable symptom.
U0509:82 Invalid Data Received From "Seat Control Module A": Alive/Sequence Counter Incorrect/Not Updated This DTC sets when the HUD module fails to receive memory data from the DSM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the DSM. Refer to: Front Seats (501-10 Front Seats). If no Diagnostic Trouble Codes (DTCs) are present in the DSM, DIAGNOSE the observable symptom.
U0554:81 Invalid Data Received From Accessory Protocol Interface Module: Invalid Serial Data Received This DTC sets when the IPC receives invalid navigation data from the APIM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the APIM. Refer to: Information and Entertainment System . If no Diagnostic Trouble Codes (DTCs) are present in the APIM, DIAGNOSE the observable symptom.
U0557:81 Invalid Data Received From Front Controls Interface Module "A": Invalid Serial Data Received This DTC sets when the IPC receives invalid outside air temperature data from the FCIM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the FCIM. Refer to: Information and Entertainment System . If no Diagnostic Trouble Codes (DTCs) are present in the FCIM, DIAGNOSE the observable symptom.
U0557:82 Invalid Data Received From Front Controls Interface Module "A": Alive/Sequence Counter Incorrect/Not Updated This DTC sets when the HUD module receives invalid outside air temperature data from the FCIM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the FCIM. Refer to: Information and Entertainment System . If no Diagnostic Trouble Codes (DTCs) are present in the FCIM, DIAGNOSE the observable symptom.
U1018:00 Lost Communication With Generic Function Module: No Sub Type Information GO to Pinpoint Test U 
U2100:00 Initial Configuration Not Complete: No Sub Type Information CHECK the vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT the PMI procedure using As-Built data as directed by the diagnostic scan tool. Refer to: Module Programming . If there have been no recent service actions, INSTALL a new module to correct the failure to retain configuration data.
U3000:04 Control Module: System Internal Failure CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If DTC U3000:04 is retrieved again, INSTALL a new HUD module. Refer to: Head Up Display (HUD) Module .
U3000:41 Control Module: General Checksum Failure CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If DTC U3000:41 is retrieved again, INSTALL a new HUD module. Refer to: Head Up Display (HUD) Module .
U3000:42 Control Module: General Memory Failure CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If DTC U3000:42 is retrieved again, INSTALL a new HUD module. Refer to: Head Up Display (HUD) Module .
U3000:47 Control Module: Watchdog/Safety μC Failure CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If DTC U3000:47 is retrieved again, INSTALL a new HUD module. Refer to: Head Up Display (HUD) Module .
U3000:49 Control Module: Internal Electronic Failure CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If DTC U3000:49 is retrieved again, INSTALL a new HUD module. Refer to: Head Up Display (HUD) Module .
U3000:88 Control Module: Bus Off A HS-CAN3 fault was present at a point in time. The fault is not currently present since the module is communicating with the diagnostic scan tool. CLEAR the DTC. REPEAT the network test with the diagnostic scan tool. VERIFY the integrity of the connectors and wiring. Refer to Wiring Diagrams Module Communications Network, for schematic and connector information.
U3001:98 Control Module Improper Shutdown Performance: Component or System Over Temperature This DTC sets due to an overtemperature condition. REMOVE the vehicle from direct sunlight and allow the interior of the vehicle to cool down. CLEAR the DTC and RETEST the HUD operation. If DTC U3001:98 returns, INSTALL a new HUD module. Refer to: Head Up Display (HUD) Module .
U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to Pinpoint Test V 
U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to Pinpoint Test W 
U300A:64 Ignition Switch: Signal Plausibility Failure DTC U300A:64 sets in continuous memory when the HUD detects a messaged START input for 15 seconds or longer. Once the fault condition is detected, the HUD operates with limited functionality for 15 seconds then returns to full functionality. DTC U300A:64 sets in continuous memory when the HUD detects a messaged START input for 15 seconds or longer. Once the fault condition is detected, the HUD operates with full functionality. DIAGNOSE any ignition or starting system concerns. Refer to: Steering Wheel and Column Electrical Components .
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