Electrical DTC codes

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merc85

MB Enthusiast
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Joined
Apr 23, 2013
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9,559
Location
Harwich
Car
CLK 500
Hi, Found this list of "U" prefix trouble codes for the electrical side of MB

Obviously mod's feel free to delete or move this post.

U0001 Hi Speed CAN Comm Bus
U0002 Hi Speed CAN Comm Bus Perf
U0003 Hi Speed CAN Comm Bus + Open
U0004 Hi Speed CAN Comm Bus + Low
U0005 Hi Speed CAN Comm Bus + Hi
U0006 Hi Speed CAN Comm Bus - Open
U0007 Hi Speed CAN Comm Bus - Low
U0008 Hi Speed CAN Comm Bus - Hi
U0009 Hi Speed CAN Comm Bus - shorted to Bus +
U0010 Medium Speed CAN Comm Bus
U0011 Medium Speed CAN Comm Bus Perf
U0012 Medium Speed CAN Comm Bus + Open
U0013 Medium Speed CAN Comm Bus + Low
U0014 Medium Speed CAN Comm Bus + Hi
U0015 Medium Speed CAN Comm Bus - Open
U0016 Medium Speed CAN Comm Bus - Low
U0017 Medium Speed CAN Comm Bus - Hi
U0018 Medium Speed CAN Comm Bus - shorted to Bus +
U0019 Low Speed CAN Comm Bus
U0020 Low Speed CAN Comm Bus Perf
U0021 Low Speed CAN Comm Bus + Open
U0022 Low Speed CAN Comm Bus + Low
U0023 Low Speed CAN Comm Bus + Hi
U0024 Low Speed CAN Comm Bus - Open
U0025 Low Speed CAN Comm Bus - Low
U0026 Low Speed CAN Comm Bus - Hi
U0027 Low Speed CAN Comm Bus - shorted to Bus +
U0028 Vehicle Comm Bus A
U0029 Vehicle Comm Bus A Perf
U0030 Vehicle Comm Bus A + Open
U0031 Vehicle Comm Bus A + Low
U0032 Vehicle Comm Bus A + Hi
U0033 Vehicle Comm Bus A - Open
U0034 Vehicle Comm Bus A - Low
U0035 Vehicle Comm Bus A - Hi
U0036 Vehicle Comm Bus A - shorted to Bus A +
U0037 Vehicle Comm Bus B
U0038 Vehicle Comm Bus B Perf
U0039 Vehicle Comm Bus B + Open
U0040 Vehicle Comm Bus B + Low
U0041 Vehicle Comm Bus B + Hi
U0042 Vehicle Comm Bus B - Open
U0043 Vehicle Comm Bus B - Low
U0044 Vehicle Comm Bus B - Hi
U0045 Vehicle Comm Bus B - shorted to Bus B +
U0046 Vehicle Comm Bus C
U0047 Vehicle Comm Bus C Perf
U0048 Vehicle Comm Bus C + Open
U0049 Vehicle Comm Bus C + Low
U0050 Vehicle Comm Bus C + Hi
U0051 Vehicle Comm Bus C - Open
U0052 Vehicle Comm Bus C - Low
U0053 Vehicle Comm Bus C - Hi
U0054 Vehicle Comm Bus C - shorted to Bus C +
U0055 Vehicle Comm Bus D
U0056 Vehicle Comm Bus D Perf
U0057 Vehicle Comm Bus D + Open
U0058 Vehicle Comm Bus D + Low
U0059 Vehicle Comm Bus D + Hi
U0060 Vehicle Comm Bus D - Open
U0061 Vehicle Comm Bus D - Low
U0062 Vehicle Comm Bus D - Hi
U0063 Vehicle Comm Bus D - shorted to Bus D +
U0064 Vehicle Comm Bus E
U0065 Vehicle Comm Bus E Perf
U0066 Vehicle Comm Bus E + Open
U0067 Vehicle Comm Bus E + Low
U0068 Vehicle Comm Bus E + Hi
U0069 Vehicle Comm Bus E - Open
U0070 Vehicle Comm Bus E - Low
U0071 Vehicle Comm Bus E - Hi
U0072 Vehicle Comm Bus E - shorted to Bus E +
U0073 Control Mod Comm Bus Off
U0100 Lost Comm with ECM/PCM A
U0101 Lost Comm with TCM
U0102 Lost Comm with Transfer Case Control Mod
U0103 Lost Comm with Gear Shift Mod
U0104 Lost Comm with Cruise Control Mod
U0105 Lost Comm with Fuel Injector Control Mod
U0106 Lost Comm with Glow Plug Control Mod
U0107 Lost Comm with Throttle Actuator Control Mod
U0108 Lost Comm with Alternative Fuel Control Mod
U0109 Lost Comm with Fuel Pump Control Mod
U0110 Lost Comm with Drive Motor Control Mod
U0111 Lost Comm with Battery Energy Control Mod A
U0112 Lost Comm with Battery Energy Control Mod B
U0113 Lost Comm with Emissions Critical Control Information
U0114 Lost Comm with 4-Wheel Drive Clutch Control Mod
U0115 Lost Comm with ECM/PCM B
U0121 Lost Comm with ABS (ABS) Control Mod
U0122 Lost Comm with Vehicle Dynamics Control Mod
U0123 Lost Comm with Yaw Rate Sensor Mod
U0124 Lost Comm with Lateral Acceleration Sensor Mod
U0125 Lost Comm with Multi-axis Acceleration Sensor Mod
U0126 Lost Comm with Steering Angle Sensor Mod
U0127 Lost Comm with Tire Press Monitor Mod
U0128 Lost Comm with Park Brake Control Mod
U0129 Lost Comm with Brake Sys Control Mod
U0130 Lost Comm with Steering Effort Control Mod
U0131 Lost Comm with Power Steering Control Mod
U0132 Lost Comm with Ride Level Control Mod
U0133 Reserved by Document
U0134 Reserved by Document
U0135 Reserved by Document
U0136 Reserved by Document
U0137 Reserved by Document
U0138 Reserved by Document
U0139 Reserved by Document
U0140 Lost Comm with Body Control Mod
U0141 Lost Comm with Body Control Mod A
U0142 Lost Comm with Body Control Mod B
U0143 Lost Comm with Body Control Mod C
U0144 Lost Comm with Body Control Mod D
U0145 Lost Comm with Body Control Mod E
U0146 Lost Comm with Gateway A
U0147 Lost Comm with Gateway B
U0148 Lost Comm with Gateway C
U0149 Lost Comm with Gateway D
U0150 Lost Comm with Gateway E
U0151 Lost Comm with Restraints Control Mod
U0152 Lost Comm with Side Restraints Control Mod Left
U0153 Lost Comm with Side Restraints Control Mod Right
U0154 Lost Comm with Restraints Occupant Sensoring Control Mod
U0155 Lost Comm with Instrument Panel Cluster Control Mod
U0156 Lost Comm with Information Center A
U0157 Lost Comm with Information Center B
U0158 Lost Comm with Head Up Display
U0159 Lost Comm with Parking Assist Control Mod
U0160 Lost Comm with Audible Alert Control Mod
U0161 Lost Comm with Compass Mod
U0162 Lost Comm with Navigation Display Mod
U0163 Lost Comm with Navigation Control Mod
U0164 Lost Comm with HVAC Control Mod
U0165 Lost Comm with HVAC Control Mod Rear
U0166 Lost Comm with Auxiliary Heater Control Mod
U0167 Lost Comm with Vehicle Immobilizer Control Mod
U0168 Lost Comm with Vehicle Security Control Mod
U0169 Lost Comm with Sunroof Control Mod
U0170 Lost Comm with Restraints Sys Sensor A
U0171 Lost Comm with Restraints Sys Sensor B
U0172 Lost Comm with Restraints Sys Sensor C
U0173 Lost Comm with Restraints Sys Sensor D
U0174 Lost Comm with Restraints Sys Sensor E
U0175 Lost Comm with Restraints Sys Sensor F
U0176 Lost Comm with Restraints Sys Sensor G
U0177 Lost Comm with Restraints Sys Sensor H
U0178 Lost Comm with Restraints Sys Sensor I
U0179 Lost Comm with Restraints Sys Sensor J
U0180 Lost Comm with Automatic Lighting Control Mod
U0181 Lost Comm with Headlamp Leveling Control Mod
U0182 Lost Comm with Lighting Control Mod Front
U0183 Lost Comm with Lighting Control Mod Rear
U0184 Lost Comm with Radio
U0185 Lost Comm with Antenna Control Mod
U0186 Lost Comm with Audio Amplifier
U0187 Lost Comm with Digital Disc Player/Changer Mod A
U0188 Lost Comm with Digital Disc Player/Changer Mod B
U0189 Lost Comm with Digital Disc Player/Changer Mod C
U0190 Lost Comm with Digital Disc Player/Changer Mod D
U0191 Lost Comm with Television
U0192 Lost Comm with Personal Computer
U0193 Lost Comm with Digital Audio Control Mod A
U0194 Lost Comm with Digital Audio Control Mod B
U0195 Lost Comm with Subscription Entertainment Rcvr Mod
U0196 Lost Comm with Rear Seat Entertainment Control Mod
U0197 Lost Comm with Telephone Control Mod
U0198 Lost Comm with Telematic Control Mod
U0199 Lost Comm with Door Control Mod A
U0200 Lost Comm with Door Control Mod B
U0201 Lost Comm with Door Control Mod C
U0202 Lost Comm with Door Control Mod D
U0203 Lost Comm with Door Control Mod E
U0204 Lost Comm with Door Control Mod F
U0205 Lost Comm with Door Control Mod G
U0206 Lost Comm with Folding Top Control Mod
U0207 Lost Comm with Moveable Roof Control Mod
U0208 Lost Comm with Seat Control Mod A
U0209 Lost Comm with Seat Control Mod B
U0210 Lost Comm with Seat Control Mod C
U0211 Lost Comm with Seat Control Mod D
U0212 Lost Comm with Steering Column Control Mod
U0213 Lost Comm with Mirror Control Mod
U0214 Lost Comm with Remote Function Actuation
U0215 Lost Comm with Door Switch A
U0216 Lost Comm with Door Switch B
U0217 Lost Comm with Door Switch C
U0218 Lost Comm with Door Switch D
U0219 Lost Comm with Door Switch E
U0220 Lost Comm with Door Switch F
U0221 Lost Comm with Door Switch G
U0222 Lost Comm with Door Window Motor A
U0223 Lost Comm with Door Window Motor B
U0224 Lost Comm with Door Window Motor C
U0225 Lost Comm with Door Window Motor D
U0226 Lost Comm with Door Window Motor E
U0227 Lost Comm with Door Window Motor F
U0228 Lost Comm with Door Window Motor G
U0229 Lost Comm with Heated Steering Wheel Mod
U0230 Lost Comm with Rear Gate Mod
U0231 Lost Comm with Rain Sensoring Mod
U0232 Lost Comm with Side Obstacle Detection Control Mod Left
U0233 Lost Comm with Side Obstacle Detection Control Mod Right
U0234 Lost Comm with Convenience Recall Mod
U0235 Lost Comm with Cruise Control Front Distance Range Sensor
U0300 Internal Control Mod Software Incompatibility
U0301 Software Incompatibility with ECM/PCM
U0302 Software Incompatibility with Trans Control Mod
U0303 Software Incompatibility with Transfer Case Control Mod
U0304 Software Incompatibility with Gear Shift Control Mod
U0305 Software Incompatibility with Cruise Control Mod
U0306 Software Incompatibility with Fuel Injector Control Mod
U0307 Software Incompatibility with Glow Plug Control Mod
U0308 Software Incompatibility with Throttle Actuator Control Mod
U0309 Software Incompatibility with Alternative Fuel Control Mod
U0310 Software Incompatibility with Fuel Pump Control Mod
U0311 Software Incompatibility with Drive Motor Control Mod
U0312 Software Incompatibility with Battery Energy Control Mod A
U0313 Software Incompatibility with Battery Energy Control Mod B
U0314 Software Incompatibility with 4WDClutch Control Mod
U0315 Software Incompatibility with ABS Control Mod
U0316 Software Incompatibility with Vehicle Dynamics Control Mod
U0317 Software Incompatibility with Park Brake Control Mod
U0318 Software Incompatibility with Brake Sys Control Mod
U0319 Software Incompatibility with Steering Effort Control Mod
U0320 Software Incompatibility with Power Steering Control Mod
U0321 Software Incompatibility with Ride Level Control Mod
U0322 Software Incompatibility with Body Control Mod
U0323 Software Incompatibility with Instrument Panel Control Mod
U0324 Software Incompatibility with HVAC Control Mod
U0325 Software Incompatibility with Auxiliary Heater Control Mod
U0326 Software Incompatibility with Veh Immobilizer Control Mod
U0327 Software Incompatibility with Vehicle Security Control Mod
U0328 Software Incompatibility with Steering Angle Sensor Mod
U0329 Software Incompatibility with Steering Column Control Mod
U0330 Software Incompatibility with Tire Press Monitor Mod
U0331 Software Incompatibility with Body Control Mod A
U0400 Invalid Data Received
U0401 Invalid Data Received From ECM/PCM
U0402 Invalid Data Received From Trans Control Mod
U0403 Invalid Data Received From Transfer Case Control Mod
U0404 Invalid Data Received From Gear Shift Control Mod
U0405 Invalid Data Received From Cruise Control Mod
U0406 Invalid Data Received From Fuel Injector Control Mod
U0407 Invalid Data Received From Glow Plug Control Mod
U0408 Invalid Data Received From Throttle Actuator Control Mod
U0409 Invalid Data Received From Alternative Fuel Control Mod
U0410 Invalid Data Received From Fuel Pump Control Mod
U0411 Invalid Data Received From Drive Motor Control Mod
U0412 Invalid Data Received From Battery Energy Control Mod A
U0413 Invalid Data Received From Battery Energy Control Mod B
U0414 Invalid Data Received From 4-Wheel Drive Clutch Control Mod
U0415 Invalid Data Received From ABS Control Mod
U0416 Invalid Data Received From Vehicle Dynamics Control Mod
U0417 Invalid Data Received From Park Brake Control Mod
U0418 Invalid Data Received From Brake Sys Control Mod
U0419 Invalid Data Received From Steering Effort Control Mod
U0420 Invalid Data Received From Power Steering Control Mod
U0421 Invalid Data Received From Ride Level Control Mod
U0422 Invalid Data Received From Body Control Mod
U0423 Invalid Data Received From Instrument Panel Control Mod
U0424 Invalid Data Received From HVAC Control Mod
U0425 Invalid Data Received From Auxiliary Heater Control Mod
U0426 Invalid Data Received From Vehicle Immobilizer Control Mod
U0427 Invalid Data Received From Vehicle Security Control Mod
U0428 Invalid Data Received From Steering Angle Sensor Mod
U0429 Invalid Data Received From Steering Column Control Mod
U0430 Invalid Data Received From Tire Press Monitor Mod
U0431 Invalid Data Received From Body Control Mod A
 

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