U1300 - Low Voltage On Class 2 Serial Data Circuit
U1300 Tech Notes
In most cases, the P1300 code is combined with other codes, fix other codes first.
Cost of diagnosing the U1300 code
The cost of diagnosing the U1300 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
U1300 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
Modules 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.
U1300 Information for specific makes