Chevrolet P1A90: 14 Volt Power Module Temperature Sensor 1 Performance

Is your scanner showing Chevrolet P1A90?
No worries. We'll show you what it means and how to deal with it.

Presented by

Randy Worner

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OVERVIEW

Severity

Medium

DIY Difficulty Level

Intermediate

Repair Cost

$100-$300

Can I Still Drive?

Yes (Short-term only)

What Does The Chevrolet P1A90 Code Mean?

This DTC indicates that the sensor signal is out of range for greater than 5 seconds.

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

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

GM, 2013 Service Bullettin – HYBRID (BAS) TAC SGCM Part Restriction.

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