GMC P1045: Reductant Purge Valve High Control Circuit Low Voltage

Is your scanner showing GMC P1045?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

GMC P1045: Reductant Purge Valve High Control Circuit Low Voltage

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$100-$250
Can I Still Drive?
:
Yes (Short-term only)

What Does The GMC P1045 Code Mean?

The battery voltage is greater than 11 V. The engine speed is greater than 600 RPM. The engine run time is greater than 10 s. The DTCs run continuously when the above conditions are met.

What Are The Potential Causes Of The GMC P1045 Code?

  • When the solenoid is commanded ON, the ECM detects the commanded state of the driver and the actual state of the control circuits do not match for greater than 2 s.

Recommended Parts

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

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> KAIWEETS Digital Multimeter

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

Reference Sources

11 OBDG11 Engine Diagnostics for P1045 – Page 124.

Tagged :
You know someone would like this

Leave a comment

Your email address will not be published. Required fields are marked *