Engine-Codes - Generic - U0301

U0301 - Software Incompatibility With ECM/PCM

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

U0301 Possible Causes

  • Engine Control Module (ECM)/Powertrain Control Module (PCM) Programmed With Incorrect Software
  • Faulty Engine Control Module (ECM)/Powertrain Control Module (PCM)

How is the U0301 code repair?

Start by checking 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 connector's pins.

Tech Notes

Verify the Powertrain Control Module (PCM) is at the latest calibration level.

What is the cost to diagnose the U0301 code

Labor: 1.0

The cost to diagnose the U0301 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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Possible Symptoms

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

U0301 Meaning

Some devices must be configured with specific software, serial numbers, vehicle options, or other information. If a device was not properly configured after installation that the device may set the appropriate communication Diagnostic Trouble Code (DTC)s. No external circuit diagnosis is involved. The DTC sets when the Engine Control Module (ECM)/Powertrain Control Module (PCM) is not configured properly

More Information

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Information for specific makes

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