Medium Speed CAN Communication Bus (+) Low
The "U0013 OBD-II: Medium Speed CAN Communication Bus (+) Low" code usually signals a communication issue within the vehicle's CAN (Controller Area Network) system, specifically with the medium-speed bus.
U0013 is a diagnostic trouble code (DTC) that highlights communication disruptions on the Medium-Speed CAN Bus. This bus is crucial for transmitting data between various control modules in the vehicle. The error indicates a low voltage reading on the Medium-Speed CAN Bus (+), suggesting that the voltage is lower than the expected level. The CAN Bus operates at different speeds-low, medium, and high-with the medium-speed bus handling communication for modules such as the transmission, airbags, and other control systems.
Symptoms:
Communication Failures, Dashboard Warning Lights, Erratic or Non-Responsive Vehicle Systems, Diagnostic Scan Results
Possible Causes of U0013 Code :
How to Fix it?
Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
Common Diagnose and Repairs:
Driving with vehicle warning codes can be dangerous and may do further damage to your vehicle. It is highly advisable that you have the vehicle inspected and diagnosed by a certified vehicle technician as soon as possible.
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