| U0001 | High Speed CAN Communication Bus |
| U0002 | High Speed CAN Communication Bus Performance |
| U0003 | High Speed CAN Communication Bus (+) open |
| U0004 | High Speed CAN Communication Bus (+) low |
| U0005 | High Speed CAN Communication Bus (+) high |
| U0006 | High Speed CAN Communication Bus (-) open |
| U0007 | High Speed CAN Communication Bus (-) low |
| U0008 | High Speed CAN Communication Bus (-) high |
| U0009 | High Speed CAN Communication Bus (-) shorted to Bus (+) |
| U0010 | Medium Speed CAN Communication Bus |
| U0011 | Medium Speed CAN Communication Bus Performance |
| U0012 | Medium Speed CAN Communication Bus (+) open |
| U0013 | Medium Speed CAN Communication Bus (+) low |
| U0014 | Medium Speed CAN Communication Bus (+) high |
| U0015 | Medium Speed CAN Communication Bus (-) open |
| U0016 | Medium Speed CAN Communication Bus (-) low |
| U0017 | Medium Speed CAN Communication Bus (-) high |
| U0018 | Medium Speed CAN Communication Bus (-) shorted to Bus (+) |
| U0019 | Low Speed CAN Communication Bus |
| U0020 | Low Speed CAN Communication Bus Performance |
| U0021 | Low Speed CAN Communication Bus (+) Open |
| U0022 | Low Speed CAN Communication Bus (+) low |
| U0023 | Low Speed CAN Communication Bus (+) high |
| U0024 | Low Speed CAN Communication Bus (-) open |
| U0025 | Low Speed CAN Communication Bus (-) low |
| U0026 | Low Speed CAN Communication Bus (-) high |
| U0027 | Low Speed CAN Communication Bus (-) shorted to Bus (+) |
| U0028 | Vehicle Communication Bus A |
| U0029 | Vehicle Communication Bus A Performance |
| U0030 | Vehicle Communication Bus A (+) open |
| U0031 | Vehicle Communication Bus A (+) low |
| U0032 | Vehicle Communication Bus A (+) high |
| U0033 | Vehicle Communication Bus A (-) open |
| U0034 | Vehicle Communication Bus A (-) low |
| U0035 | Vehicle Communication Bus A (-) high |
| U0036 | Vehicle Communication Bus A (–) shorted to Bus A (+) |
| U0037 | Vehicle Communication Bus B |
| U0038 | Vehicle Communication Bus B Performance |
| U0039 | Vehicle Communication Bus B (+) open |
| U0040 | Vehicle Communication Bus B (+) low |
| U0041 | Vehicle Communication Bus B (+) high |
| U0042 | Vehicle Communication Bus B (-) open |
| U0043 | Vehicle Communication Bus B (-) low |
| U0044 | Vehicle Communication Bus B (-) high |
| U0045 | Vehicle Communication Bus B (–) shorted to Bus B (+) |
| U0046 | Vehicle Communication Bus C |
| U0047 | Vehicle Communication Bus C Performance |
| U0048 | Vehicle Communication Bus C (+) Open |
| U0049 | Vehicle Communication Bus C (+) low |
| U0050 | Vehicle Communication Bus C (+) high |
| U0051 | Vehicle Communication Bus C (-) open |
| U0052 | Vehicle Communication Bus C (-) low |
| U0053 | Vehicle Communication Bus C (-) high |
| U0054 | Vehicle Communication Bus C (–) shorted to Bus C (+) |
| U0055 | Vehicle Communication Bus D |
| U0056 | Vehicle Communication Bus D Performance |
| U0057 | Vehicle Communication Bus D (+) open |
| U0058 | Vehicle Communication Bus D (+) low |
| U0059 | Vehicle Communication Bus D (+) high |
| U0060 | Vehicle Communication Bus D (-) open |
| U0061 | Vehicle Communication Bus D (-) low |
| U0062 | Vehicle Communication Bus D (-) high |
| U0063 | Vehicle Communication Bus D (-) shorted to Bus (+) |
| U0064 | Vehicle Communication Bus E |
| U0065 | Vehicle Communication Bus E Performance |
| U0066 | Vehicle Communication Bus E (+) open |
| U0067 | Vehicle Communication Bus E (+) low |
| U0068 | Vehicle Communication Bus E (+) high |
| U0069 | Vehicle Communication Bus E (-) open |
| U0070 | Vehicle Communication Bus E (-) low |
| U0071 | Vehicle Communication Bus E (-) high |
| U0072 | Vehicle Communication Bus E (–) shorted to Bus E (+) |
| U0073 | Control Module Communication Bus Off |
| U0100 | Lost Communication With ECM/PCM |
| U0101 | Lost Communication with TCM |
| U0102 | Lost Communication with Transfer Case Control Module |
| U0103 | Lost Communication with Gear Shift Module |
| U0104 | Lost Communication with Cruise Control Module |
| U0105 | Lost Communication with Fuel Injector Control Module |
| U0106 | Lost Communication With Glow Plug Control Module |
| U0107 | Lost Communication With Throttle Actuator Control Module |
| U0108 | Lost Communication With Alternative Fuel Control Module |
| U0109 | Lost Communication With Fuel Pump Control Module |
| U0110 | Lost Communication With Drive Motor Control Module |
| U0111 | Lost Communication With Battery Energy Control Module A |
| U0112 | Lost Communication With Battery Energy Control Module B |
| U0113 | Lost Communication With Emissions Critical Control Information |
| U0114 | Reserved by Document |
| U0115 | Reserved by Document |
| U0116 | Reserved by Document |
| U0117 | Reserved by Document |
| U0118 | Reserved by Document |
| U0119 | Reserved by Document |
| U0120 | Reserved by Document |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module |
| U0122 | Lost Communication With Vehicle Dynamics Control Module |
| U0123 | Lost Communication With Yaw Rate Sensor Module |
| U0124 | Lost Communication With Lateral Acceleration Sensor Module |
| U0125 | Lost Communication With Multi-axis Acceleration Sensor Module |
| U0126 | Lost Communication With Steering Angle Sensor Module |
| U0127 | Lost Communication With Tire Pressure Monitor Module |
| U0128 | Lost Communication With Park Brake Control Module |
| U0129 | Lost Communication With Brake System Control Module |
| U0130 | Lost Communication With Steering Effort Control Module |
| U0131 | Lost Communication With Power Steering Control Module |
| U0132 | Lost Communication With Ride Level Control Module |
| 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 Communication With Body Control Module |
| U0141 | Lost Communication With Body Control Module A |
| U0142 | Lost Communication With Body Control Module B |
| U0143 | Lost Communication With Body Control Module C |
| U0144 | Lost Communication With Body Control Module D |
| U0145 | Lost Communication With Body Control Module E |
| U0146 | Lost Communication With Gateway A |
| U0147 | Lost Communication With Gateway B |
| U0148 | Lost Communication With Gateway C |
| U0149 | Lost Communication With Gateway D |
| U0150 | Lost Communication With Gateway E |
| U0151 | Lost Communication With Restraints Control Module |
| U0152 | Lost Communication With Side Restraints Control Module - Left |
| U0153 | Lost Communication With Side Restraints Control Module - Right |
| U0154 | Lost Communication With Restraints Occupant Sensing Control Module |
| U0155 | Lost Communication With Instrument Panel Cluster (IPC) Control Module |
| U0156 | Lost Communication With Information Center A |
| U0157 | Lost Communication With Information Center B |
| U0158 | Lost Communication With Head Up Display |
| U0159 | Lost Communication With Parking Assist Control Module |
| U0160 | Lost Communication With Audible Alert Control Module |
| U0161 | Lost Communication With Compass Module |
| U0162 | Lost Communication With Navigation Display Module |
| U0163 | Lost Communication With Navigation Control Module |
| U0164 | Lost Communication With HVAC Control Module |
| U0165 | Lost Communication With HVAC Control Module - Rear |
| U0166 | Lost Communication With Auxiliary Heater Control Module |
| U0167 | Lost Communication With Vehicle Immobilizer Control Module |
| U0168 | Lost Communication With Vehicle Security Control Module |
| U0169 | Lost Communication With Sunroof Control Module |
| U0170 | Lost Communication With Restraints System Sensor A |
| U0171 | Lost Communication With Restraints System Sensor B |
| U0172 | Lost Communication With Restraints System Sensor C |
| U0173 | Lost Communication With Restraints System Sensor D |
| U0174 | Lost Communication With Restraints System Sensor E |
| U0175 | Lost Communication With Restraints System Sensor F |
| U0176 | Lost Communication With Restraints System Sensor G |
| U0177 | Lost Communication With Restraints System Sensor H |
| U0178 | Lost Communication With Restraints System Sensor I |
| U0179 | Lost Communication With Restraints System Sensor J |
| U0180 | Lost Communication With Automatic Lighting Control Module |
| U0181 | Lost Communication With Headlamp Leveling Control Module |
| U0182 | Lost Communication With Lighting Control Module - Front |
| U0183 | Lost Communication With Lighting Control Module - Rear |
| U0184 | Lost Communication With Radio |
| U0185 | Lost Communication With Antenna Control Module |
| U0186 | Lost Communication With Audio Amplifier |
| U0187 | Lost Communication With Digital Disc Player/Changer Module A |
| U0188 | Lost Communication With Digital Disc Player/Changer Module B |
| U0189 | Lost Communication With Digital Disc Player/Changer Module C |
| U0190 | Lost Communication With Digital Disc Player/Changer Module D |
| U0191 | Lost Communication with Television |
| U0192 | Lost Communication With Personal Computer |
| U0193 | Lost Communication With Digital Audio Control Module A |
| U0194 | Lost Communication With Digital Audio Control Module B |
| U0195 | Lost Communication With Subscription Entertainment Receiver Module |
| U0196 | Lost Communication With Rear Seat Entertainment Control Module |
| U0197 | Lost Communication with Telephone Control Module |
| U0198 | Lost Communication with Telematic Control Module |
| U0199 | Lost Communication With Door Control Module A |
| U0200 | Lost Communication With Door Control Module B |
| U0201 | Lost Communication With Door Control Module C |
| U0202 | Lost Communication With Door Control Module D |
| U0203 | Lost Communication With Door Control Module E |
| U0204 | Lost Communication With Door Control Module F |
| U0205 | Lost Communication With Door Control Module G |
| U0206 | Lost Communication With Folding Top Control Module |
| U0207 | Lost Communication With Moveable Roof Control Module |
| U0208 | Lost Communication With Seat Control Module A |
| U0209 | Lost Communication With Seat Control Module B |
| U0210 | Lost Communication With Seat Control Module C |
| U0211 | Lost Communication With Seat Control Module D |
| U0212 | Lost Communication With Steering Column Control Module |
| U0213 | Lost Communication With Mirror Control Module |
| U0214 | Lost Communication With Remote Function Actuation |
| U0215 | Lost Communication With Door Switch A |
| U0216 | Lost Communication With Door Switch B |
| U0217 | Lost Communication With Door Switch C |
| U0218 | Lost Communication With Door Switch D |
| U0219 | Lost Communication With Door Switch E |
| U0220 | Lost Communication With Door Switch F |
| U0221 | Lost Communication With Door Switch G |
| U0222 | Lost Communication with Door Window Motor A |
| U0223 | Lost Communication With Door Window Motor B |
| U0224 | Lost Communication With Door Window Motor C |
| U0225 | Lost Communication With Door Window Motor D |
| U0226 | Lost Communication With Door Window Motor E |
| U0227 | Lost Communication With Door Window Motor F |
| U0228 | Lost Communication With Door Window Motor G |
| U0229 | Lost Communication With Heated Steering Wheel Module |
| U0230 | Lost Communication With Rear Gate Module |
| U0231 | Lost Communication With Rain Sensing Module |
| U0235 | Lost Communications with Cruise Control Front Distance Range Sensor |
| U0301 | Software Incompatibility with ECM/PCM |
| U0302 | Software Incompatibility with TCM (Transmission Control Module) |
| U0303 | Software Incompatibility with Transfer Case Control Module |
| U0321 | Software Incompatibility with Ride Level Control Module |
| U0326 | Software Incompatibility with Vehicle Immobilizer Control Module |
| U0327 | Software Incompatibility with Vehicle Security Control Module |
| U1900 | Serial Communication Link Malfunction |