U2109 — CAN D circuit open

Nätverk (CAN-buss, kommunikation)

This is a generic or manufacturer-specific U-code, often indicating a 'Control Module Switched OFF' or 'Lost Communication with J010 (data bus on-board diagnostic interface)'. In some contexts, it can mean a control module has shut down or is intermittently losing power.

To monitor the power status and communication readiness of a control module within the vehicle network.

Read in English

Kan jag köra med U2109?

Du kan oftast köra hem och boka en kontroll inom några dagar.

Vanliga orsaker

• Intermittent power or ground supply issue to a specific control module
• Internal fault within the affected control module (e.g., data bus interface circuitry)
• Loose or corroded connector at the control module or within its power/ground circuit

Vanliga frågor

Vad betyder felkoden U2109?

U2109 means CAN D circuit open.

Kan jag fortsätta köra med U2109?

Du kan oftast köra hem och boka en kontroll inom några dagar.

Relaterade felkoder

• U2100 — CAN C bus off
• U2101 — CAN C performance
• U2102 — CAN C circuit short to battery
• U2103 — CAN C circuit short to ground
• U2104 — CAN C circuit open
• U2105 — CAN D bus off
• U2106 — CAN D performance
• U2107 — CAN D circuit short to battery
• U2108 — CAN D circuit short to ground

Få en full diagnos av U2109 med AutoUncover.