U1305 - High Or Low Voltage On Class 2 Serial Data Circuit

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

U1305 Possible Causes

  • Repair other code first

U1305 Tech Notes

In most cases, the P1305 code is combined with other codes, fix other codes first.

Cost of diagnosing the U1305 code

    Labor: 1.0

    The cost of diagnosing the U1305 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.

U1305 Possible Symptoms

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

U1305 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 U1305 - High Or Low Voltage On Class 2 Serial Data Circuit - Engine-Codes.com

U1305 Information for specific makes

  • U1305 BUICK High Or Low Voltage On Class 2 Serial Data Circuit
  • U1305 CADILLAC High Or Low Voltage On Class 2 Serial Data Circuit
  • U1305 CHEVROLET High Or Low Voltage On Class 2 Serial Data Circuit
  • U1305 GMC High Or Low Voltage On Class 2 Serial Data Circuit
  • U1305 PONTIAC High Or Low Voltage On Class 2 Serial Data Circuit

Related Information