Cadillac P1579: P/N to D/R at High Throttle Angle - Power Reduction Mode Active

Is your scanner showing Cadillac P1579?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Cadillac P1579: P/N to D/R at High Throttle Angle - Power Reduction Mode Active

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$80-$150
Can I Still Drive?
:
Yes

What Does The Cadillac P1579 Code Mean?

Test Conditions DTCs P0122 and P0123 not set. Failure Conditions Gear selection from Park or Neutral to Drive or Reverse. Vehicle speed less than 6 MPH. Engine speed greater than 2000 RPM. Throttle angle of

What Are The Potential Causes Of The Cadillac P1579 Code?

If the drivers actions caused this DTC to set, clear the DTC and inform customer of proper shift procedure. Manipulate the wire harness while watching the scan tool display looking for opens and shorts. Reviewing the Failure Rec.

Recommended Parts

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

>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> KAIWEETS Digital Multimeter

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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