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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (3.2L - Generic Scan Tool, Engine Code: BKH) >> ST - Generic Scan Tool >> Diagnostic Trouble Code (DTC) tables >> SAE U0xxx DTCs >> Control module and output signals

Control module and output signals

WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
U0001 High Speed CAN Communication Bus
  • CAN message, No feedback
  • CAN level, Incorrect
  • Battery voltage, >9 V
  • Delay after ignition on, 0.5 Sec.
  • Ignition status, On
 0.3 Seconds 0.06 Seconds
  • Continuous
  • Immed.
U0100 Lost Communication With ECM/PCM A No message received from DME, Timeout
  • CAN Bus, No error and ready to transmit
  • Delay after ignition on, 0.53 Sec.
  • Battery voltage, >9 V
 0.5 Seconds
  • Continuous
  • 2 DCY
U0101 Lost Communication with TCM CAN message, No message   0.51 Seconds
  • Continuous
  • 2 DCY
U0302 Software Incompatibility with Transmission Control Module AT vehicle ECM coded as MT vehicle   5 sec.
  • Continuous
  • 2 DCY
U0401 Invalid Data Received From ECM/PCM Invalid data.
  • CAN Bus, No error and ready to transmit
  • Delay after ignition on, 0.53 Sec.
  • Battery voltage, >9 V
 0.5 Seconds
  • Continuous
  • 2 DCY
U0402 Invalid Data Received from Transmission Control Module AT vehicle ECM coded as MT vehicle CAN message Implausible message   5 Sec.
  • Continuous
  • 2 DCY
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