2019 Cadillac CT6 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

6 Alternator / Generator parts for the 2019 Cadillac CT6 come from 6 brands — GM GENUINE, WAI GLOBAL, PURE ENERGY and 3 other brands. The "Popular" part is PURE ENERGY 11874.

The New section lists 2 options from GM GENUINE and WAI GLOBAL — brand-new units rather than rebuilt ones. GM GENUINE 84195661 is listed in this group.

The Remanufactured section lists 4 options from PURE ENERGY, FVP, REMY and 1 other brand — factory-rebuilt units with new wear components. PURE ENERGY 11874 is listed in this group.

Part numbers include PURE ENERGY 11874, GM GENUINE 84195661 and WAI GLOBAL 21882N, among others listed above.

This table covers the Alternator / Generator bolts. Read more

One part is listed for the 2019 Cadillac CT6 — GM GENUINE 11611102.

This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

2 Alternator / Generator Pulley parts are listed for the 2019 Cadillac CT6, from CONTINENTAL and LITENS.

Listed part numbers: CONTINENTAL 49986 and LITENS 920860A.

This table covers the Anti-Theft control modules. Read more

One part is listed for the 2019 Cadillac CT6 — GM GENUINE 13540633.

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

GM GENUINE supplies both parts for the 2019 Cadillac CT6.

Part numbers include GM GENUINE 39119104 and GM GENUINE 13569122.

This table covers the brackets that mount the Anti-Theft Siren. 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 2019 Cadillac CT6 — GM GENUINE 23174009.

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

10 Battery parts are listed for the 2019 Cadillac CT6, from ACDELCO, DEKA, LUCAS and 6 other brands. DEKA 9A49 carries the "Popular" badge.

The AGM (Extended Life) section lists 9 options from ACDELCO, DEKA, LUCAS and 5 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A49 is listed in this group.

The Performance AGM (Extended Life + Increased Power) section lists 1 option from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT89049 is listed in this group.

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

6 Battery Cable parts for the 2019 Cadillac CT6 come from GM GENUINE.

Part numbers include GM GENUINE 84488913, GM GENUINE 23249556 and GM GENUINE 84230997, among others listed above.

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

2 Battery Current Sensor parts for the 2019 Cadillac CT6 come from HELLA.

Listed part numbers: HELLA 012767701 and HELLA 010557481.

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

This group shows a single part: DORMAN 390030.

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

2 Body Control Module (BCM) parts for the 2019 Cadillac CT6 come from GM GENUINE.

Listed part numbers: GM GENUINE 13534191 and GM GENUINE 22940857.

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

STANDARD MOTOR PRODUCTS supplies the 3 Circuit Breaker parts for the 2019 Cadillac CT6.

Listed part numbers: STANDARD MOTOR PRODUCTS FH58, STANDARD MOTOR PRODUCTS FH59 and STANDARD MOTOR PRODUCTS FH57.

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

This group shows a single part: GM GENUINE 12725663.

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 23433366.

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

18 Fuse parts are listed for the 2019 Cadillac CT6, from BUSSMANN and GM GENUINE. GM GENUINE 84116255 carries the "Popular" badge.

The 100 Amp section lists 2 options from BUSSMANN and GM GENUINE — grouped under the catalog's "100 Amp" designation — the notes column spells out what sets them apart. BUSSMANN AMI100 is listed in this group.

In the 15 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMS15.

In the 150 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "150 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84070922.

In the 20 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMS20.

The 25 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMS25 is listed in this group.

The 250 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "250 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84116255 is listed in this group.

The 3 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "3 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM3LP is listed in this group.

The 30 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 22917202 is listed in this group.

In the 350 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "350 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84116257.

In the 4 Amp grade, BUSSMANN supplies 2 parts: grouped under the catalog's "4 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM4LP.

In the 40 Amp grade, GM GENUINE and BUSSMANN supply 2 parts: grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 22917201.

The 50 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMS50 is listed in this group.

In the 60 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMS60.

The 70 Amp section lists 2 options from GM GENUINE — grouped under the catalog's "70 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84070937 is listed in this group.

This table covers the Hands Free Vehicle Access 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 23275430.

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

One part is listed for the 2019 Cadillac CT6 — GM GENUINE 23278290.

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: ACDELCO 84571941.

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

3 Keyless Entry Module / Receiver parts for the 2019 Cadillac CT6 come from GM GENUINE.

Part numbers include GM GENUINE 13540045, GM GENUINE 13518842 and GM GENUINE 13558722.

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

This group shows a single part: GM GENUINE 13544042.

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

3 Lane Departure Camera / Module parts for the 2019 Cadillac CT6 come from 2 brands — DORMAN and GM GENUINE.

Listed part numbers: DORMAN 601992, DORMAN 601993 and GM GENUINE 84442126.

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 2019 Cadillac CT6 — GM GENUINE 84421596.

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

7 Parking Aid Sensor parts for the 2019 Cadillac CT6 come from 4 brands — GM GENUINE, STANDARD MOTOR PRODUCTS, DORMAN and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS PPS46.

Listed part numbers: STANDARD MOTOR PRODUCTS PPS46, STANDARD MOTOR PRODUCTS PPS126 and DORMAN 684048, plus the other parts above.

This table covers the totally-integrated power modules that distribute body electrical power. 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 2019 Cadillac CT6 — GM GENUINE 13510484.

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

This group shows a single part: GM GENUINE 84466321.

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 13534928.

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 2019 Cadillac CT6 come from GM GENUINE.

Listed part numbers: GM GENUINE 42625293, GM GENUINE 42625292 and GM GENUINE 84523853.

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

7 Speed Sensor parts are listed for the 2019 Cadillac CT6, from GM GENUINE and STANDARD MOTOR PRODUCTS. GM GENUINE 24060867 carries the "Popular" badge.

Listed part numbers: GM GENUINE 24060867, GM GENUINE 24043446 and GM GENUINE 24060865, plus the other parts above.

This table covers the Starter bolts. Read more

This group shows a single part: GM GENUINE 11588740.

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

7 Starter Motor parts for the 2019 Cadillac CT6 come from 7 brands — GM GENUINE, TYC, WAI GLOBAL and 4 other brands. The "Popular" part is GM GENUINE 12667973.

The New section: 3 options from GM GENUINE, TYC and WAI GLOBAL. GM GENUINE 12667973 is listed in this group.

The Remanufactured section: 4 options from FVP, PURE ENERGY, REMY and 1 other brand. FVP 12457 is listed in this group.

This group includes GM GENUINE 12667973, TYC 116349 and WAI GLOBAL 16349N and the remaining parts above.

This table covers the Starter Motor Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

One part is listed for the 2019 Cadillac CT6 — GM GENUINE 12654121.

This table covers the Video control modules. Read more

3 Video Control Module parts for the 2019 Cadillac CT6 come from 2 brands — GM GENUINE and ACDELCO.

Listed part numbers: ACDELCO 84583615, GM GENUINE 84838506 and GM GENUINE 84842813.