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U1301 Chevrolet Code - High Voltage On Class 2 Serial Data Circuit

- Code Popularity: 21,523 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC U1301 Chevrolet?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Repair other code first
⚠ Does your Chevrolet have Safety Recalls? → Check here

How to Fix the DTC U1301 Chevrolet?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

In most cases, the U1301 code is combined with other codes, fix other codes first.

Search for U1301 Chevrolet Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U1301 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code U1301 Chevrolet Description

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 Diagnostic Trouble Code (DTC) is inhibited and a DTC will set.

OBDII Code U1301 Chevrolet - High Voltage On Class 2 Serial Data Circuit - AutoCodes.com
U1301 Chevrolet Code - High Voltage On Class 2 Serial Data Circuit

Need More Information on the Code?

Need more information on how to fix the U1301 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

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Code U1301 Chevrolet comments

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