U1300 BUICK - Low Voltage On Class 2 Serial Data Circuit
- Repair other code first
Tech notesIn most cases, the P1300 code is combined with other codes, fix other codes first.
- Engine Light ON (or Service Engine Soon Warning Light)
U1300 Buick DescriptionModules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. In addition to this, Node Alive messages are transmitted by each module on the class 2 serial data circuit about once every 2 seconds. When the module detects one of the following conditions on the class 2 serial data circuit for approximately 3 seconds, the setting of all other class 2 serial communication DTCs is inhibited and a DTC will set.
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