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AutoCodes - Generic - P305E

P305E Code - DC/DC Converter Crank Control Circuit Low Voltage

- Code Popularity: 6,490 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P305E?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Power Supply Transformer
  • Power Supply Transformer harness is open or shorted
  • Power Supply Transformer circuit poor electrical connection
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How to Fix the DTC P305E?

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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P305E 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 P305E Description

The Power Supply Transformer is used to boost battery voltage to sensitive loads during engine restart. It provides two voltage outputs that provide the boosted voltage. The Power Supply Transformer communicates to the Engine Control Module (ECM), and sends to the ECM the state of the crank control input.

OBDII Code P305E - DC/DC Converter Crank Control Circuit Low Voltage - AutoCodes.com
P305E Code - DC/DC Converter Crank Control Circuit Low Voltage

Need More Information on the Code?

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Information for Specific Makes

  • P305E Buick DC/DC Converter Crank Control Circuit Low Voltage
  • P305E Cadillac DC/DC Converter Crank Control Circuit Low Voltage
  • P305E Chevrolet DC/DC Converter Crank Control Circuit Low Voltage
  • P305E GMC DC/DC Converter Crank Control Circuit Low Voltage

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Code P305E comments

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