DTC U1301 GMC
Class 2 Data Link High
Class 2 Data Link High
Description
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. The voltage level detected on the Clas
Cause and Solution
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. An intermittent condition is likely to be caused by a short to voltage on the Clas
Video Guide
Diagnostic Info
- DTC Code: U1301
- Brand: GMC