HomeNetwork/Communication › U0027

U0027 - Low Speed CAN Communication Bus (-) shorted to Bus (+)

U0027 is a generic network/communication diagnostic trouble code indicating Low Speed CAN Communication Bus (-) shorted to Bus (+). It relates to the System-Specific system.

DTC Breakdown (SAE J2012)

Facts for code U0027
SystemNetwork/Communication (U)
TypeGeneric
SubsystemSystem-Specific
Fault Index27
StandardSAE J2012 / ISO 15031-6

What does diagnostic code U0027 mean?

The dtc/">diagnostic trouble code U0027 represents Low Speed CAN Communication Bus (-) shorted to Bus (+). This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.

Detailed diagnostic guides and specific fix procedures for code U0027 are currently being compiled. Always verify check engine warnings with a qualified mechanic.

🔗 Related Diagnostic Codes

Often diagnosed alongside:

Frequently Asked Questions about U0027

What does U0027 mean?

The diagnostic trouble code U0027 represents Low Speed CAN Communication Bus (-) shorted to Bus (+). This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.

What is the system for U0027?

The U0027 code is located in the vehicle's Network/Communication network.

Back to live lookup tool →

Copied code to clipboard!