U1300 GMC - Low Voltage On Class 2 Serial Data Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

U1300 GMC Possible Causes

  • Repair other code first

U1300 GMC Tech Notes

In most cases, the P1300 code is combined with other codes, fix other codes first.

Cost of diagnosing the U1300 GMC code

    Labor: 1.0

    The cost of diagnosing the U1300 GMC 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 GMC Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

U1300 GMC Meaning

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.
OBDII Code U1300 GMC - Low Voltage On Class 2 Serial Data Circuit - Engine-Codes.com

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