Chevrolet P1EC7: Hybrid/EV Battery Pack Coolant Control Valve Control Circuit 2 Low Voltage

Is your scanner showing Chevrolet P1EC7?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chevrolet P1EC7: Hybrid/EV Battery Pack Coolant Control Valve Control Circuit 2 Low Voltage

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Advanced
Repair Cost
:
$500-$3500
Can I Still Drive?
:
No

What Does The Chevrolet P1EC7 Code Mean?

The hybrid/EV powertrain control module 2 is awake and communicating. The 12 V battery voltage is greater than or equal to 10 V. Hybrid/EV Battery Pack Coolant Control Valve is being commanded to move.

The hybrid/EV powertrain control module 2 detects control circuit terminal 2 (Drive B) is grounded during a period when the hybrid/EV powertrain control module 2 is commanding 12 V on the control circuit terminal 2 (Drive B). This occurs when the valve is commanded towards the radiator position.

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
>>> GM Genuine Parts 12633238 Engine Control Module

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

Reference Sources

Chevrolet P1EC7, DTCDECODE.

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