Engine-Codes
 
OBDII Code List
 
U1301 CHEVROLET

U1301 CHEVROLET - High Voltage On Class 2 Serial Data Circuit

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

U1301 CHEVROLET Possible Causes

  • Repair other code first

U1301 CHEVROLET Tech Notes

In most cases, the P1301 code is combined with other codes, fix other codes first.

Cost of diagnosing the U1301 CHEVROLET code

    Labor: 1.0

    The cost of diagnosing the U1301 CHEVROLET 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.

U1301 CHEVROLET Possible Symptoms

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

U1301 CHEVROLET 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 U1301 CHEVROLET - High Voltage On Class 2 Serial Data Circuit - Engine-Codes.com

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