AEM, CEM, And AUU - Diagnostic Trouble Codes

• AEM-1A01: Power Supply. Signal Too Low. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low
    • Checking The Power Supply
    • Checking The Power Supply And Ground On The Accessory Electronic Module (AEM)
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-1D01: Control Module. Internal Fault. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-1D01
  • Internal Fault
    • Replacing The Accessory Electronic Module (AEM)
• AEM-1D02: Control Module, Software. Internal Fault. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-1D02
  • Internal Fault
    • Reloading The Software In The Control Module
• AEM-1D03: Control Module Not Fully Programmed. Internal Fault. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-1D03
  • Internal Fault
    • Reloading The Software In The Control Module
• AEM-1D07: Control Module. Internal Fault. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-1D07
  • Internal Fault
    • Replacing The Accessory Electronic Module (AEM)
• AEM-1D08: Control Module. Internal Fault. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-1D08
  • Internal Fault
    • Replacing The Accessory Electronic Module (AEM)
• AEM-1D0A: Control Module. Internal Fault. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-1D0A
  • Internal Fault
    • Replacing The Accessory Electronic Module (AEM)
• AEM-5F10: Relay, Engine Block Heater. Signal Too Low. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-5F11: Relay, Engine Block Heater. Signal Too High Or Signal Missing. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High / Signal Missing
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-6C50: Alarm Output P0. Signal Too Low Or Signal Missing. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-6C50
  • Signal Too Low Or Signal Missing
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-6C51: Alarm Output P0. Signal Too High. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-6C51
  • Signal Too High
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-6C52: Alarm Output P1. Signal Too Low Or Signal Missing. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-6C52
  • Signal Too Low Or Signal Missing
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-6C53: Alarm Output P1. Signal Too High. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-6C53
  • Signal Too High
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-6C54: Alarm Output S0. Signal Too Low Or Signal Missing. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-6C54
  • Signal Too Low Or Signal Missing
    • Checking Components And Wiring
    • Verification
    • Information
      • Fault-Tracing Information
• AEM-6C55: Alarm Output S0. Signal Too High. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-6C55
  • Signal Too High
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-6C56: Alarm Output S1. Signal Too Low. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-6C56
  • Signal Too Low
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-6C57: Alarm Output S1. Signal Too High Or Signal Missing. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-6C57
  • Signal Too High / Signal Missing
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-7A10: CARPHONE Mute Signal. Signal Too Low. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-7A11: CARPHONE Mute Signal. Signal Too High Or Signal Missing. Intermittent Fault (2003-2014)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High / Signal Missing
    • Checking Components And Wiring
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• AEM-E001: Control Module Communication. Faulty Communication (2003-2004)
  • Diagnostic Trouble Code (DTC) Information AEM-E001
  • Faulty Communication
• AEM-E001: Control Module Communication. Faulty Communication (2005-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-E001
  • Signal Missing
    • General Information
    • Checking Resistance In Can-Net
    • Checking The Amount Of Traffic On The LS-Can
    • Identifying A Control Module In The Can Network
    • Verification
    • Checking Short-Circuiting To Ground/Voltage In Can-Net
    • Checking Voltage-Drop In Cable For Can-H And Can-L, Respectively
    • Information
      • Fault-Tracing Information
    • Troubleshooting Using Dice Error Frame Finder
• AEM-E003: Configuration Fault. Faulty Configuration (2005-2014)
  • Diagnostic Trouble Code (DTC) Information AEM-E003
  • Signal Missing
• AEM-E003: Configuration Fault. Faulty Configuration (2003-2004)
  • Diagnostic Trouble Code (DTC) Information AEM-E003
  • Faulty Configuration (2003)
    • General Information
    • Checking The Resistance Of The Control Area Network (Can) Cables
    • Checking A Short-Circuit In Can Cables
    • Checking The Traffic Load On The Can Cables
    • Identifying Fault Causes In The Can Network
    • Identifying A Control Module In The Can Network
    • Downloading New Software
    • Verification
    • Information
      • Fault-Tracing Information
  • Faulty Configuration (2004)
    • General Information
    • Checking The Resistance Of The Control Area Network (Can) Cables
    • Checking A Short-Circuit In Can Cables
    • Checking The Traffic Load On The Can Cables
    • Identifying Fault Causes In The Can Network
    • Identifying A Control Module In The Can Network
    • Downloading New Software
    • Verification
    • Information
      • Fault-Tracing Information
• AEM-XXXX: Unknown Diagnostic Trouble Code (DTC) For The Current Control Module Version (2003-2014)
  • Unknown Diagnostic Trouble Code (DTC) For The Current Control Module Version
    • Reading Off Diagnostic Trouble Codes (DTC)
• AUU-0001: Battery Voltage. Algorithm Based Failures (2007-2014)
  • Diagnostic Trouble Code (DTC) Information AUU-0001
  • Fault-Tracing
    • Fault-Tracing Information
    • Information
      • Fault-Tracing Information
• AUU-0002: Control Module. System Programming Failures (2007-2014)
  • Diagnostic Trouble Code (DTC) Information AUU-0002
  • Fault-Tracing
    • Faulty Software
    • Fault-Tracing
    • Verification
      • Verification
• CEM-1A03: S-Power Supply Signal Too Low (2005-2014)
  • Diagnostic Trouble Code (DTC) Information CEM-1A03
  • Signal Too Low
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A03: S-Power Supply. Signal Too Low. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low. Intermittent Fault
    • Checking The Connectors
    • Checking Wiring
• CEM-1A03: S-Power Supply. Signal Too Low. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low. Permanent Fault
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A04: X-Power Supply. Signal Too Low (2005-2014)
  • Diagnostic Trouble Code (DTC) Information CEM-1A04
  • Signal Too Low
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A04: X-Power Supply. Signal Too Low. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low. Intermittent Fault
    • Checking The Connectors
    • Checking The Cable
• CEM-1A04: X-Power Supply. Signal Too Low. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low. Permanent Fault
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A05: X-Power Supply Signal Too High (2005-2014)
  • Diagnostic Trouble Code (DTC) Information CEM-1A05
  • Signal Too High
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A05: 30 Power Supply. Signal Too Low. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low. Intermittent Fault
    • Checking Wire Between Battery And Alternator.
    • Checking The Wires And Connectors
    • Information
      • Fault-Tracing Information
• CEM-1A05: 30 Power Supply. Signal Too Low. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low. Permanent Fault
    • Checking The Cable Between The Battery And The Generator (Gen)
    • Checking The Power Supply
    • Checking The Power Supply And Ground Terminals
    • Checking The Battery
    • Battery
    • Checking The Generator (Gen)
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A05: X-Power Supply. Signal Too High. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High. Intermittent Fault
    • Checking The Connectors
    • Checking Wiring
• CEM-1A05: X-Power Supply. Signal Too High. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High. Permanent Fault
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A06: 15-Power Supply. Signal Too Low (2005-2014)
  • Diagnostic Trouble Code (DTC) Information CEM-1A06
  • Signal Too Low
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A06: 15-Power Supply. Signal Too Low. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low. Intermittent Fault
    • Checking The Connectors
    • Checking Wiring
• CEM-1A06: 15-Power Supply. Signal Too Low. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low. Permanent Fault
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A07: 15-Power Supply. Signal Too High (2005-2014)
  • Diagnostic Trouble Code (DTC) Information CEM-1A07
  • Signal Too High
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A07: 15-Power Supply. Signal Too High. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High. Intermittent Fault
    • Checking The Connectors
    • Checking Wiring
• CEM-1A07: 15-Power Supply. Signal Too High. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High. Permanent Fault
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A08: 50-Power Supply. Signal Missing (2005-2014)
  • Diagnostic Trouble Code (DTC) Information CEM-1A08
  • Signal Missing
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A08: 50-Power Supply. Signal Missing. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Missing. Intermittent Fault
    • Checking The Connectors
    • Checking The Cable
• CEM-1A08: 50-Power Supply. Signal Missing. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Missing. Permanent Fault
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A09: 50-Power Supply. Signal Too High (2005-2014)
  • Diagnostic Trouble Code (DTC) Information CEM-1A09
  • Signal Too High
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A09: 50-Power Supply. Signal Too High. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High. Intermittent Fault
    • Checking The Connectors
    • Checking Wiring
• CEM-1A09: 50-Power Supply. Signal Too High. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High. Permanent Fault
    • Checking The Connectors
    • Checking The Component And Cable
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A21: Increased Power Supply Relay. Signal Too High. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High. Intermittent Fault.
    • Checking The Relay
    • Replacement Of Component
• CEM-1A21: Increased Power Supply Relay. Signal Too High. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High. Permanent Fault
    • Checking The Relay
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A23: Increased Power Supply Relay. No Signal. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Missing. Intermittent Fault.
    • Checking The Relay
    • Replacement Of Component
• CEM-1A23: Increased Power Supply Relay. No Signal. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Missing. Permanent Fault
    • Checking The Relay
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A24: Relay Ext X2-Power Supply. Signal Too High. Intermittent Fault (4T65 AWD; Aw50/51 AWD; Aw55-50/51SN; 2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High. Intermittent Fault
    • Checking The Relay
    • Replacing Component
    • Information
      • Fault-Tracing Information
• CEM-1A24: Relay Ext X2-Power Supply. Signal Too High. Permanent Fault (4T65 AWD; Aw50/51 AWD; Aw55-50/51SN; 2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too High. Permanent Fault
    • Checking The Relay
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A25: Relay Ext X2-Power Supply. Signal Too Low. Intermittent Fault (4T65 AWD; Aw50/51 AWD; Aw55-50/51SN; 2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low. Intermittent Fault
    • Checking The Relay
    • Replacing Component
    • Information
      • Fault-Tracing Information
• CEM-1A25: Relay Ext X2-Power Supply. Signal Too Low. Permanent Fault (4T65 AWD; Aw50/51 AWD; Aw55-50/51SN; 2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Signal Too Low. Permanent Fault
    • Checking The Relay
    • Replacing The Component
    • Verification
      • Verification
    • Information
      • Fault-Tracing Information
• CEM-1A41: Real Time Clock. Faulty Signal (2005)
  • Diagnostic Trouble Code (DTC) Information CEM-1A41
  • Faulty Signal
    • Replacing The Control Module
• CEM-1A41: Real Time Clock. Internal Fault. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Internal Fault. Intermittent Fault
    • Fault-Tracing Information
• CEM-1A41: Real Time Clock. Internal Fault. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Internal Fault. Permanent Fault
    • Replacing The Control Module
• CEM-1A42: Real Time Clock. Faulty Signal (2005)
  • Diagnostic Trouble Code (DTC) Information CEM-1A42
  • Faulty Signal
• CEM-1A42: Real Time Clock. Internal Fault. Intermittent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Internal Fault. Intermittent Fault
• CEM-1A42: Real Time Clock. Internal Fault. Permanent Fault (2003-2004)
  • Diagnostic Trouble Code (DTC) Information
  • Internal Fault. Permanent Fault
• CEM-1A51: Communication With The Supplemental Restraint System Module (SRS). Signal Missing (2003-2004)
  • Diagnostic Trouble Code (DTC) Information CEM-1A51
  • Signal Missing
    • Checking The Function Of The Supplemental Restraint System Module (SRS)
    • Checking The Power Supply And Ground For The Supplemental Restraint System Module (SRS)
    • Checking Communication With The Supplemental Restraint System Module (SRS)
    • Signal Missing
      • General Information
      • Checking The Resistance Of The Control Area Network (Can) Cables
      • Checking A Short-Circuit In Can Cables
      • Checking The Traffic Load On The Can Cables
      • Identifying Fault Causes In The Can Network
      • Identifying A Control Module In The Can Network
      • Verification
    • Information
      • Fault-Tracing Information
    • Signal Specification
• CEM-1A51: Communication With The Supplemental Restraint System Module (SRS). Signal Missing (2005-2014)
  • Diagnostic Trouble Code (DTC) Information CEM-1A51
  • Signal Missing
    • Checking The Power Supply For The Supplemental Restraint System Module (SRS)
    • Checking The Power Supply And Ground For The Supplemental Restraint System Module (SRS)
    • Checking Communication With The Supplemental Restraint System Module (SRS)
    • Checking The Function Of The Supplemental Restraint System Module (SRS)
    • Signal Missing
      • General Information
      • Checking Resistance In Can-Net
      • Checking The Amount Of Traffic On The LS-Can
      • Identifying A Control Module In The Can Network
      • Verification
      • Checking Short-Circuiting To Ground/Voltage In Can-Net
      • Checking Voltage-Drop In Cable For Can-H And Can-L, Respectively
    • Information
      • Fault-Tracing Information
• CEM-1A52: Communication With The Driver Door Module (DDM). Signal Missing (2005-2014)
  • Diagnostic Trouble Code (DTC) Information CEM-1A52
  • Signal Missing
    • Checking The Power Supply And Ground For The Driver Door Module (DDM)
    • Checking The Communication With The Driver Door Module (DDM)
    • Checking The Function Of The Driver Door Module (DDM)
    • Signal Missing
      • General Information
      • Checking Resistance In Can-Net
      • Checking The Amount Of Traffic On The LS-Can
      • Identifying A Control Module In The Can Network
      • Verification
      • Checking Short-Circuiting To Ground/Voltage In Can-Net
      • Checking Voltage-Drop In Cable For Can-H And Can-L, Respectively
    • Information
      • Fault-Tracing Information