GMC U1301: Class 2 Data Link High
Is your scanner showing GMC U1301?
No worries. We'll show you what it means and how to deal with it.
GMC U1301: Class 2 Data Link High
OVERVIEWWhat Does The GMC U1301 Code Mean?
Conditions for Setting the DTC. Voltage is supplied to the module in the normal operating voltage range of approximately 9-16 Volts. No valid Class 2 messages are detected on the Class 2 serial data link.
This DTC may not be retrieved with a current status. Diagnosis of a current U1255 is accomplished via the symptom. The scan tool will not communicate with a Class 2 device.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> INNOVA 5210
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
GMC U1301, DTCDECODE.
