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Vehicle / Cadillac / CT4

CT4 Module Programming & Calibration

The Cadillac CT4 on GM's Alpha 2 performance platform equips the Cadillac Safety Suite with collision avoidance, lane assist, and blind zone monitoring, though it notably does not offer Super Cruise unlike the CT5 counterpart. The RWD-biased Alpha 2 architecture places the forward radar behind the lower front fascia at a specific ride-height-dependent angle that requires attention to vehicle leveling during static calibration procedures. All module programming requires SPS2 authorization through GDS2 and MDI2, and the CT4-V Blackwing variant adds performance-specific module calibration requirements beyond standard Safety Suite procedures.

3,200+
Vehicles supported
1-Year
Unlimited warranty
Same-Day
Mobile in DFW
OEM-Grade
Native diagnostics
MODEL SERVICE SNAPSHOT

What Core Auto Logic can do for the Cadillac Ct4

Model coverage

This Cadillac Ct4 model page covers 7 indexed years from 2020-2026 with exact-year service pages for module, security, and calibration data.

Choose a year

ADAS evolution

Across indexed Cadillac Ct4 years, documented sensor systems include Forward Camera (Mobileye EyeQ4) - AEB/FCW, Forward Radar (Bosch MRR) - Adaptive Cruise / AEB, Blind Zone Alert - Left Rear Radar (Aptiv SRR), Blind Zone Alert - Right Rear Radar (Aptiv SRR), and Rear View Camera (RVC); 28 calibration trigger records are indexed across the model line.

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Programmable modules

The indexed Cadillac Ct4 years include 136 programmable module records across exact-year pages.

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Gateway and security

This model line includes 56 gateway, immobilizer, or key-security records across indexed years.

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Core Auto Logic capability

Core Auto Logic supports model-line diagnostics, exact-year module programming, security-access planning, and ADAS calibration where equipped for the Cadillac Ct4.

Read model FAQ
Available years

Years we service for CT4

7 model years with documented module and calibration coverage.

CT4 2026

CT4 2026

Module and calibration coverage
CT4 2025

CT4 2025

Module and calibration coverage
CT4 2024

CT4 2024

Module and calibration coverage
CT4 2023

CT4 2023

Module and calibration coverage
CT4 2022

CT4 2022

Module and calibration coverage
CT4 2021

CT4 2021

Module and calibration coverage
CT4 2020

CT4 2020

Module and calibration coverage
ADAS EVOLUTION

How Cadillac CT4 ADAS has changed

1 platform generation from 2020 to 2026.

1

GM Alpha 2 (RWD/AWD compact performance sedan platform; shared with CT5/Camaro)

2020 - 2026
HS-CAN (500 kbps); GM LAN / GMLAN; OBD2 DLC Pin 6/14
ADAS SYSTEMS (6)
Forward Camera (Mobileye EyeQ4) - AEB/FCW Forward Radar (Bosch MRR) - Adaptive Cruise / AEB Blind Zone Alert - Left Rear Radar (Aptiv SRR) Blind Zone Alert - Right Rear Radar (Aptiv SRR) Rear View Camera (RVC) Front and Rear PDC - Ultrasonic Parking Sensors

GM Alpha 2 (RWD/AWD compact performance sedan platform; shared with CT5/Camaro) platform. GDS2 + SPS2 required for module programming. Bosch/Continental ABS with GDS2 bleed sequence. [EPA] 2.7L | I4 |...

FREQUENTLY ASKED QUESTIONS

FAQ

Which ADAS systems does the Cadillac Ct4 have, and which require calibration after collision repair?
Cadillac Ct4 coverage includes documented camera/radar ADAS. Forward cameras, radar, blind-spot, and steering-angle sensors usually need calibration after collision or suspension work.
Can you reset the airbag/SRS light on a Cadillac Ct4?
Yes. We scan the Cadillac Ct4 SRS system, confirm crash data or stored faults, reset serviceable modules, and verify the warning light stays off after repairs.
What's involved in programming a replacement ECU/PCM for the Cadillac Ct4?
Replacement ECU/PCM work on the GM Alpha 2 (2020+) platform requires module coding, immobilizer pairing, VIN/configuration setup, and post-programming checks with OE-grade tools.
Do you support all-keys-lost (AKL) on the Cadillac Ct4?
Yes. AKL support is handled through an authorized locksmith workflow with proof of ownership, immobilizer access, key registration, and start authorization checks.
What's needed after windshield replacement on a Cadillac Ct4?
After windshield replacement, the Cadillac Ct4 forward camera and any documented camera/radar ADAS lane or braking features should be aimed and calibrated before final road verification.
Can you service a Cadillac Ct4 on-site, mail-in, or both?
We support the Cadillac Ct4 both ways: on-site diagnostics, calibration, and key work when the vehicle is present, plus mail-in module reset or programming when suitable.
Generations

CT4 generation guides

Start at the generation guide that matches your build, then drill into the exact model-year page for module, security, and calibration specifics.

MODEL SERVICE SNAPSHOT

What Core Auto Logic can do for the Cadillac Ct4

Model coverage

This Cadillac Ct4 model page covers 7 indexed years from 2020-2026 with exact-year service pages for module, security, and calibration data.

Choose a year

ADAS evolution

Across indexed Cadillac Ct4 years, documented sensor systems include Forward Camera (Mobileye EyeQ4) - AEB/FCW, Forward Radar (Bosch MRR) - Adaptive Cruise / AEB, Blind Zone Alert - Left Rear Radar (Aptiv SRR), Blind Zone Alert - Right Rear Radar (Aptiv SRR), and Rear View Camera (RVC); 28 calibration trigger records are indexed across the model line.

View generations

Programmable modules

The indexed Cadillac Ct4 years include 136 programmable module records across exact-year pages.

View years

Gateway and security

This model line includes 56 gateway, immobilizer, or key-security records across indexed years.

View years

Core Auto Logic capability

Core Auto Logic supports model-line diagnostics, exact-year module programming, security-access planning, and ADAS calibration where equipped for the Cadillac Ct4.

Read model FAQ
CT4 by the numbers

Coverage depth for this model line

Model-level coverage rolls up the year records indexed for Cadillac CT4.

7
Years catalogued
2020-2026
Year span
6
ADAS systems indexed
1
Generations
0
Part numbers indexed
Generation timeline

CT4 chassis evolution

Grouped by chassis platform when indexed on the model-year records.

2020-2026 Platform Alpha 2
Indexed generation

1st Gen