Fault code lookup

Results for “U300”

Fault codes 66

Results match keywords in the stored descriptions. Codes you typed are shown first.

CodeDescriptionBrandsSystem
U300043The control unit has a malfunction due to redundant monitoring. There is an error in the additional memory.1Network
U300044Memory: RAM check failed3Network
U300045NVRAM Error1Network
U300046Control Module1Network
U300047The control unit has a malfunction due to redundant monitoring. There is a runtime error.2Network
U300049The control unit has a malfunction due to redundant monitoring. There is an internal electrical fault.3Network
U30004AControl Module1Network
U300057E3 SW error1Network
U300062The control unit has a malfunction due to redundant monitoring. The signal comparison is faulty.1Network
U300064The control unit has a malfunction due to redundant monitoring. There is an implausible signal.1Network
Show 15 more matches on this page
CodeDescriptionBrandsSystem
U300081Control Module1Network
U300082The control unit has a malfunction due to redundant monitoring. The instruction counter is not updated.1Network
U300087The control unit has a malfunction due to redundant monitoring. The message is missing.1Network
U30008CThe control unit has a malfunction due to redundant monitoring.1Network
U300092Fault check of customer mode handling - level2 mode MU error customer interface1Network
U300093Control Module1Network
U300098Control Module1Network
U3000A2The control unit has a malfunction due to redundant monitoring. The system voltage is too low.1Network
U3000A3The control unit has a malfunction due to redundant monitoring. The system voltage is too high.1Network
U300100Radar Sensor CAT1 Reset2Network
U300101Control Module Improper Shutdown Performance1Network
U300104Monitoring level 2 reset 11Network
U30011CThe control unit was switched off improperly. The voltage value is outside the permissible range.1Network
U30011DThe control unit was switched off improperly. The current value is outside the permissible range.1Network
U300144The control unit was switched off improperly. There is an error in the data memory.1Network
CodeDescriptionBrandsSystem
U300081Control Module1Network
U300082The control unit has a malfunction due to redundant monitoring. The instruction counter is not updated.1Network
U300087The control unit has a malfunction due to redundant monitoring. The message is missing.1Network
U30008CThe control unit has a malfunction due to redundant monitoring.1Network
U300092Fault check of customer mode handling - level2 mode MU error customer interface1Network
U300093Control Module1Network
U300098Control Module1Network
U3000A2The control unit has a malfunction due to redundant monitoring. The system voltage is too low.1Network
U3000A3The control unit has a malfunction due to redundant monitoring. The system voltage is too high.1Network
U300100Radar Sensor CAT1 Reset2Network
U300101Control Module Improper Shutdown Performance1Network
U300104Monitoring level 2 reset 11Network
U30011CThe control unit was switched off improperly. The voltage value is outside the permissible range.1Network
U30011DThe control unit was switched off improperly. The current value is outside the permissible range.1Network
U300144The control unit was switched off improperly. There is an error in the data memory.1Network
Advanced: scanner vehicle and live-data matches

Vehicles 7

Vehicle data covers only some brands. These matches come from scanner data, not from a full vehicle index, so treat them as approximate.

BrandModel / variantDetails
Land RoverIf seen with -87, U0422-86 or U3000-55, this is an indication of incorrect or unrecognised car configuration filecode B1030
Land RoverIf seen with -87, U0422-86 or U3000-55, this is an indication of incorrect or unrecognised car configuration filecode B1031
Land RoverIf seen with -87, U0422-86 or U3000-55, this is an indication of incorrect or unrecognised car configuration filecode B1033
Land RoverIf seen with -87, U0422-86 or U3000-55, this is an indication of an incorrect or unrecognised car configuration filecode B1032
VolvoDue to this fault one or several Diagnostic trouble codes (DTCs) CEM- , SRS-U043300, CVM-U300000 has/have been storedcode U043300
FordMake sure the configuration has been done and any DTC except U3000_54 and _54 is not stored in module before continuingcode U1A4B
MazdaMake sure the configuration has been done and any DTC except U3000_54 and _54 is not stored in module before continuingcode U1A4B

Live data 0

No matching live-data parameters.

These tables come from diagnostic data. They are useful for advanced users and can be ignored for a normal code lookup.

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