C4P ✓ Factory-verified

Buick · Regular Production Option

Air conditioning, semi-automatic, single-zone

Years 2018–19 Models 2 Factory citations 5

Query this via API →

Also described as Air conditioning, single-zone manual

Also documented for ChevroletGMC

Documented applications

Encore — Gamma II (2013–2022) →

• 2018–2019 ✓ Factory-verified

  Sport Touring: O; only with the LE2 engine; includes D31

  ⛭ GM factory document — 2018 buick encore order guide copy gm authority, p.14.

  ⛭ GM factory document — 2019 buick encore order guide copy gm authority, p.12.

Regal — E2XX (2018–2020) →

• 2018–2019 ✓ Factory-verified

  2019: Regal, Preferred: S (2019 Sportback order guide)

  ⛭ GM factory document — 2018 buick regal sportback fleet order guide wayback, p.1.

  ⛭ GM factory document — 2018 buick regal tourx fleet order guide wayback, p.1.

  ⛭ GM factory document — 2019 buick regal sportback order guide copy gm authority, p.1.

Related codes · mentioned in these notes

D31LE2

This page aggregates every documented appearance of C4P in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.