Chevrolet P1487: Cooling Fan Output Circuit High Voltage

Is your scanner showing Chevrolet P1487?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chevrolet P1487: Cooling Fan Output Circuit High Voltage

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$100-$300
Can I Still Drive?
:
Yes (Short-term only)

What Does The Chevrolet P1487 Code Mean?

The 12 V battery voltage is equal to or greater than 11 V. The accessory circuit is active for greater than 5 seconds. DTCs P1485, P1486, and P1487 run continuously when the conditions above are met.

The ECM detects that the commanded state of the driver and the actual state of the output circuit do not match for greater than 5 seconds.

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
>>> Dorman 86689C 399 PC Automotive Electrical Repair Kit

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

Reference Sources

Chevrolet Volt Hybrid DTC – OBDG01 HYBRID Diagnostics Document, page 174.

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