2024 Cadillac CT4 Electrical Parts

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator. Read more

This group shows a single part: GM GENUINE 84938163.

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

7 Battery parts are listed for the 2024 Cadillac CT4, from ACDELCO, DEKA, LUCAS and 3 other brands. DEKA 9A48 carries the "Popular" badge.

Part numbers include DEKA 9A48, LUCAS LBAGM004A and ACDELCO 48AGM, among others listed above.

This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

3 Battery Cable parts for the 2024 Cadillac CT4 come from GM GENUINE.

Listed part numbers: GM GENUINE 85011509, GM GENUINE 85011510 and GM GENUINE 86801288.

This table covers the Battery Current 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: STANDARD MOTOR PRODUCTS BSC150.

This table covers the clamps and brackets that secure the battery. Read more

This group shows a single part: GM GENUINE 11609585.

This table covers the Battery Vent tubes. Read more

This group shows a single part: GM GENUINE 85665279.

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

This group shows a single part: GM GENUINE 13548775.

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

This group shows a single part: GM GENUINE 84930206.

This table covers the resettable circuit breakers in this vehicle's electrical system. Read more

One part is listed for the 2024 Cadillac CT4 — GM GENUINE 84215440.

This table covers the Cruise Control Distance 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

One part is listed for the 2024 Cadillac CT4 — GM GENUINE 86558605.

This table covers the Cruise control modules. Read more

2 Cruise Control Module parts for the 2024 Cadillac CT4 come from GM GENUINE.

Part numbers include GM GENUINE 85031657 and GM GENUINE 85776845.

This table covers the engine-control modules that run fuel, spark and emissions. Read more

This group shows a single part: GM GENUINE 12740833.

This table covers the Engine Control Module (ECM Computer) bolts. Read more

One part is listed for the 2024 Cadillac CT4 — GM GENUINE 11519377.

This table covers the brackets that mount the Engine Control Module (ECM Computer). 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

This group shows a single part: GM GENUINE 84799323.

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

27 Fuse parts are listed for the 2024 Cadillac CT4, from GM GENUINE and ACDELCO. GM GENUINE 12004008 carries the "Popular" badge. They are grouped as 10 Amp, 100 Amp, 125 Amp, 15 Amp, 150 Amp, 175 Amp, 20 Amp, 25 Amp, 250 Amp, 3 Amp, 30 Amp, 350 Amp, 40 Amp, 5 Amp, 50 Amp, 60 Amp and 70 Amp, with 15 Amp the largest group at 3 parts from GM GENUINE and ACDELCO.

This table covers the horns mounted in the front of the vehicle. Read more

GM GENUINE supplies both parts for the 2024 Cadillac CT4.

Listed part numbers: GM GENUINE 84849439 and GM GENUINE 84849440.

This table covers the Jumper cables. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

This group shows a single part: GM GENUINE 86807282.

This table covers the key fobs that lock, unlock and start the vehicle. Read more

7 Keyless Entry Remote parts for the 2024 Cadillac CT4 come from 2 brands — GM GENUINE and DORMAN. The "Popular" part is DORMAN 99762ST.

Part numbers include DORMAN 99762ST, GM GENUINE 85043355 and GM GENUINE 85043357, among others listed above.

This table covers the Lane Departure 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 86517920.

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

One part is listed for the 2024 Cadillac CT4 — GM GENUINE 84761801.

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

4 Parking Aid Sensor parts for the 2024 Cadillac CT4 come from 4 brands — BOSCH, GM GENUINE, STANDARD MOTOR PRODUCTS and 1 other brand.

This group includes BOSCH F00E270754, GM GENUINE 84586217 and STANDARD MOTOR PRODUCTS PPS159 and the remaining parts above.

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

2 Rain Sensor parts for the 2024 Cadillac CT4 come from 2 brands — GM GENUINE and HELLA.

Listed part numbers: GM GENUINE 85880857 and HELLA 935197421.

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

This group shows a single part: GM GENUINE 13545362.

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

3 Side Object Sensor Module parts for the 2024 Cadillac CT4 come from GM GENUINE.

Part numbers include GM GENUINE 85826110, GM GENUINE 85826109 and GM GENUINE 86558606.

This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor. Read more

8 Speed Sensor parts are listed for the 2024 Cadillac CT4, from GM GENUINE and STANDARD MOTOR PRODUCTS. GM GENUINE 24043446 carries the "Popular" badge.

Listed part numbers: GM GENUINE 24043446, GM GENUINE 24296964 and GM GENUINE 24060867, plus the other parts above.

This table covers the Starter bolts. Read more

2 Starter Bolt parts for the 2024 Cadillac CT4 come from GM GENUINE.

Part numbers include GM GENUINE 11588740 and GM GENUINE 11588749.

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

5 Starter Motor parts for the 2024 Cadillac CT4 come from 5 brands — GM GENUINE, FVP, PURE ENERGY and 2 other brands. The "Popular" part is GM GENUINE 12652028.

The New section lists 1 option from GM GENUINE — brand-new units rather than rebuilt ones. GM GENUINE 12652028 is listed in this group.

The Remanufactured section lists 4 options from FVP, PURE ENERGY, REMY and 1 other brand — factory-rebuilt units with new wear components. FVP 19576 is listed in this group.

Part numbers include GM GENUINE 12652028 and FVP 19576, among others listed above.