TSQ ✓ Factory-verified

Chevrolet · Regular Production Option

Lighting, interior

Years 2015–16, 2018–19, 2025–27 Models 4 Factory citations 14

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Also described as Lighting, interior, ambientLighting, Ice Blue ambient, instrument panel, shifter and front door handlesAmbient lighting

Also documented for BuickCadillacGMC

Documented applications

Blazer — C1XX (2019–2026) →

• 2019, 2025–2026 ✓ Factory-verified

  2LT, 3LT: not available; RS: S; Premier: S (2025 only)

  ⛭ GM factory document — 2019 chevrolet all new blazer fleet order guide wayback, p.2.

  ⛭ GM factory document — 2025 chevrolet blazer fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2025 chevrolet blazer fleet order guide, p.3.

  ⛭ GM factory document — 2026 chevrolet blazer fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 chevrolet blazer fleet order guide, p.3.

Equinox — Third generation (D2XX) (2018–2024) →

• 2018 ✓ Factory-verified

  Premier: S

  ⛭ GM factory document — 2018 chevrolet all new equinox fleet order guide wayback, p.1.
• 2019 ✓ Factory-verified

  1LZ, 2LZ, 3LZ: S

  ⛭ GM factory document — 2019 chevrolet equinox order guide april 6 2018 copy gm authority, p.119.

Malibu — eighth generation (2013–2016) →

• 2015–2016 ✓ Factory-verified

  2015: LT, LTZ: S; 2016: 1LT, 1LZ: S

  ⛭ GM factory document — 2015 chevrolet malibu fleet order guide wayback, p.2.

  ⛭ GM factory document — 2016 chevrolet malibu limited fleet order guide wayback, p.2.

Silverado EV — BT1 (2024–2027) →

• 2025–2027 ✓ Factory-verified

  2025: S in 3LT, 2SP, 3SP; not offered in 2WT, 5WT, 8WT; 2026: S in 2LT, 3LT, 4LT, 2TR, 3TR, 2SP, 3SP; not offered in 4WT, 5WT, 8WT; 2027: S in 2LT, 3LT, 2TR, 3TR; not offered in 4WT, 5WT, 8WT; Sierra EV reads "Lamp package, interior"

  ⛭ GM factory document — 2025 chevrolet silverado ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 chevrolet silverado ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2025 chevrolet silverado ev fleet order guide, p.3.

  ⛭ GM factory document — 2026 chevrolet silverado ev fleet order guide, p.4.

  ⛭ GM factory document — 2027 chevrolet silverado ev fleet order guide, p.4.

Related codes · mentioned in these notes

1LT1LZ2LT2LZ2SP2TR2WT3LT3LZ3SP3TR4LT4WT5WT8WT

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