1 result found

GM
Number U1305
Type Network - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Class 2 Data Link High or Low Conditions

Cause

DTC B1327 not set as a current code, the ignition switch position requires serial data communication to occur, no valid messages were detected on the Class 2 serial data circuit for 3 seconds

Try also: http://www.obd-codes.com/u1305