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AutoCodes - Generic - U300C

U300C Code - Ignition Input Off/On/Start

- Code Popularity: 3,666 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC U300C?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Ignition Input Off/On/Start (ISP-R) harness is open or shorted
  • Ignition Input Off/On/Start (ISP-R) circuit poor electrical connection
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How to Fix the DTC U300C?

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 U300C 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 U300C Description

The Powertrain Control Module (PCM) monitors the ignition key state. The U300C code sets when the key state is not available.

OBDII Code U300C - Ignition Input Off/On/Start - AutoCodes.com
U300C Code - Ignition Input Off/On/Start

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Code U300C comments

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