2026 Cadillac Celestiq Electrical Parts

This table covers the sirens in the anti-theft system. Read more

This group shows a single part: GM GENUINE 13569122.

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery. Read more

5 Battery parts for the 2026 Cadillac Celestiq come from 3 brands — ACDELCO, DEKA and FVP. The "Popular" part is ACDELCO 47AGM.

Listed part numbers: ACDELCO 47AGM, ACDELCO EVLN2AGM and ACDELCO 47SAGM, plus the other parts above.

This table covers the Battery Terminal Bolt nuts. Read more

GM GENUINE supplies both parts for the 2026 Cadillac Celestiq.

Listed part numbers: GM GENUINE 11610091 and GM GENUINE 11570961.

This table covers the Battery Vent tubes. Read more

One part is listed for the 2026 Cadillac Celestiq — GM GENUINE 85777642.

This table covers the body-control modules that run lighting, locks and wipers. Read more

GM GENUINE supplies both parts for the 2026 Cadillac Celestiq.

Part numbers include GM GENUINE 13559486 and GM GENUINE 13568206.

This table covers the brackets that mount the Body Control Module (BCM). Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

One part is listed for the 2026 Cadillac Celestiq — GM GENUINE 85537869.

This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse. Read more

14 Fuse parts for the 2026 Cadillac Celestiq come from 2 brands — GM GENUINE and ACDELCO. The "Popular" part is GM GENUINE 12004009.

In the 100 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "100 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84070942.

The 15 Amp section lists 2 options from ACDELCO and GM GENUINE — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. ACDELCO ATM1525 is listed in this group.

The 150 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "150 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84070922 is listed in this group.

The 20 Amp section lists 2 options from GM GENUINE and ACDELCO — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 12004009 is listed in this group.

In the 25 Amp grade, ACDELCO supplies 1 part: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO ATM2525.

In the 250 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "250 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84116255.

In the 30 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 22917202.

The 350 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "350 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84116257 is listed in this group.

The 40 Amp section lists 2 options from ACDELCO and GM GENUINE — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. ACDELCO MAX405 is listed in this group.

In the 70 Amp grade, GM GENUINE supplies 2 parts: grouped under the catalog's "70 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84070937.

This table covers the horn contacts in the steering column. Read more

This group shows a single part: GM GENUINE 87840626.

This table covers the receivers that pick up the key-fob unlock signal. Read more

GM GENUINE supplies the 7 Keyless Entry Module / Receiver parts for the 2026 Cadillac Celestiq. GM GENUINE 85026365 carries the "Popular" badge.

Part numbers include GM GENUINE 85026365, GM GENUINE 85026366 and GM GENUINE 85026367, among others listed above.

This table covers the modules that control the exterior lighting. Read more

One part is listed for the 2026 Cadillac Celestiq — GM GENUINE 13566314.

This table covers the Park Assist (PAS) Camera modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

This group shows a single part: GM GENUINE 86558042.

This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

GM GENUINE supplies both parts for the 2026 Cadillac Celestiq.

This group includes GM GENUINE 87821667 and GM GENUINE 87821666.

This table covers the Rain sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

GM GENUINE supplies both parts for the 2026 Cadillac Celestiq.

This group includes GM GENUINE 85880852 and GM GENUINE 85880857.

This table covers the Serial Data Gateway modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

GM GENUINE supplies both parts for the 2026 Cadillac Celestiq.

This group includes GM GENUINE 13558602 and GM GENUINE 13566572.

This table covers the Side Object Sensor modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

GM GENUINE supplies both parts for the 2026 Cadillac Celestiq.

Part numbers include GM GENUINE 85698872 and GM GENUINE 85698873.

This table covers the Yaw sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

This group shows a single part: GM GENUINE 85532096.