Used 2021 Cadillac XT5 transmission control module – Differential Lock

Year & trim-specific price guide

Used 2021 Cadillac XT5 Transmission Control Module — Differential Lock prices

Trim-specific pricing for the Differential Lock variant of the 2021 Cadillac XT5 transmission control module, built from 41 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 11, 2026
Price summary

A used 2021 Cadillac XT5 transmission control module (Differential Lock) costs $40 to $405, with a median asking price of $76. Based on 41 priced salvage yard listings across the US, updated Oct 11, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$100
Grade B (good)$61

2021 Cadillac XT5 transmission control module — Differential Lock price snapshot

USD
Low
$40
Average
$145
High
$405
41 priced listings used · last updated Oct 11, 2026· How we price·

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Reporting price for 2021 Cadillac XT5 Transmission Control Module (Differential Lock)

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$60–$40517 listings
Grade BStandard used$40–$40523 listings
Grade XUngraded$80–$801 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $40–$405 overall range

Trim-specific context

How does the Differential Lock compare?

This pricing covers the Differential Lock variant of the 2021 Cadillac XT5 transmission control module, based on 41 priced listings. Its $76 median is 31% below the 2021 Cadillac XT5 transmission control module overall median of $110.

There are 25 other transmission control module variants available for the 2021 Cadillac XT5.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Same trim, other years

Differential Lock in other model years

Same year, other trims

What other 2021 Cadillac XT5 transmission control module variants are available?

Driver Assist, surround view

49 listings
$175$90 – $440

Air Bag, (below center console), w/o adaptive cruise

48 listings
$132$67 – $405

Multifunction, (rear ride control), (ID 84500133)

48 listings
$105$71 – $295

Temperature, (center of heater box), ID 84692742

48 listings
$110$40 – $271

Theft-Locking, keyless entry, (RH dash), hands free rear closer

48 listings
$61$45 – $295

Driver Assist, park assist, (RH inner quarter panel), w/o automatic park control

47 listings
$153$41 – $268

Fuel Pump, (RH inner quarter panel)

47 listings
$103$51 – $305

Information-GPS-TV, (center dash), multimedia player, (dash mounted)

47 listings
$221$72 – $410

Information-GPS-TV, (center dash), telematics, navigation (opt IO6)

47 listings
$185$75 – $305

Temperature, (center of heater box), ID 84692740

47 listings
$69$50 – $270

Theft-Locking, keyless entry, (RH dash), w/o hands free rear closer

47 listings
$125$60 – $295

Theft-Locking, theft deterrent, (floor console)

47 listings
$295$41 – $300

Communication, telematics (OnStar opt UE1)

46 listings
$109$70 – $201

Communication, wireless charger

46 listings
$56$56 – $213

Network Gateway, (under LH dash)

46 listings
$172$77 – $181

Suspension, (LH inner quarter panel), (damping, opt F45)

46 listings
$106$42 – $405

Driver Assist, pre-crash system (opt UGN), (LH inner quarter panel)

45 listings
$96$65 – $295

Memory, (seat, mounted under seat)

45 listings
$172$86 – $201

Steering, (steering column)

44 listings
$81$40 – $250

Driver Assist, park assist, (RH inner quarter panel), automatic park control

38 listings
$85$50 – $405

Information-GPS-TV, (center dash), telematics, w/o navigation

38 listings
$107$46 – $300

Transmission, (on transmission)

34 listings
$96$55 – $201

Theft-Locking, lock, (rear view mirror)

32 listings
$50$41 – $172

Air Bag, (below center console), adaptive cruise

31 listings
$131$75 – $261

Body Control (BCM), (LH kick panel)

24 listings
$100$68 – $104

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2021 Cadillac XT5 transmission control module — all trims

Common questions

2021 Cadillac XT5 transmission control module (Differential Lock) FAQ

How much is a used 2021 Cadillac XT5 transmission control module (Differential Lock)?

Based on 41 priced salvage-yard listings, a used 2021 Cadillac XT5 transmission control module in the Differential Lock variant lists between $40 and $405, with a median asking price of $76.

Which years use the Differential Lock transmission control module?

The Differential Lock variant appears in model years 2017, 2020, 2021, 2022, 2023, 2024. Prices and availability may differ by year.

2021 Cadillac XT5 Transmission Control Module · Differential Lock Prices | Part Price Guide