Chevrolet P1238: Injection Control Circuit Commanded State to Actual State Mismatch

Is your scanner showing Chevrolet P1238?
No worries. We'll show you what it means and how to deal with it.

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Randy Worner

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OVERVIEW

Severity

High

DIY Difficulty Level

Intermediate

Repair Cost

$350-$850

Can I Still Drive?

What Does The Chevrolet P1238 Code Mean?

The engine is running. The ignition voltage is between 6-18 volts.

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

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Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

GM, 2013, Service Bullettin – Duramax Diesel Injector Driver Codes.

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