U2101 — CAN C performance

Network (CAN bus, communication)

CAN C performance

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Can I drive with U2101?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code U2101 mean?

U2101 means CAN C performance.

Can I keep driving with U2101?

You can usually drive home and book an inspection within a few days.

Related fault codes

• U2100 — CAN C bus off
• 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
• U2109 — CAN D circuit open

Get a full diagnosis for U2101 with AutoUncover.