Cadillac P1627: Control Module Long Term Memory Performance

Is your scanner showing Cadillac P1627?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Cadillac P1627: Control Module Long Term Memory Performance

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$100-$450
Can I Still Drive?
:
Yes (Short-term only)

What Does The Cadillac P1627 Code Mean?

For complete details on programming the PCM, refer to Service Programming System (SPS) Description .

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

GM, 2013, Service Bullettin – Prior To Any Circuit Testing.

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