U1301 - High Voltage On Class 2 Serial Data Circuit
U1301 Possible Causes
- Repair other code first
First diagnose U1301 code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
U1301 Tech NotesIn most cases, the P1301 code is combined with other codes, fix other codes first.
Cost of diagnosing the U1301 code
Labor: 1.0The cost of diagnosing the U1301 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
U1301 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
U1301 DescriptionModules 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.
U1301 More InformationNeed more information on how to fix the U1301 code?
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U1301 Information for specific makes
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U1301 CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the U1301 code? Have you replaced any parts?
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