2018 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

10 Alternator / Generator parts are listed for the 2018 Cadillac CT6, from GM GENUINE, FVP, PURE ENERGY and 2 other brands.

In the New grade, GM GENUINE supplies 2 parts: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 84195660.

In the Remanufactured grade, FVP, PURE ENERGY, REMY and 1 other brand supply 8 parts: factory-rebuilt units with new wear components. A representative part number is FVP 10404.

This table covers the Alternator / Generator bolts. Read more

This group shows a single part: 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

4 Alternator / Generator Pulley parts for the 2018 Cadillac CT6 come from 2 brands — CONTINENTAL and LITENS.

This group includes CONTINENTAL 49991, CONTINENTAL 49986 and LITENS 920082A and the remaining parts above.

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

This group shows a single part: GM GENUINE 13540633.

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

2 Anti-Theft Siren parts for the 2018 Cadillac CT6 come from GM GENUINE.

Listed part numbers: 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

This group shows a single part: 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

20 Battery parts for the 2018 Cadillac CT6 come from 9 brands — ACDELCO, DEKA, FVP and 6 other brands. The "Popular" part is DEKA 9A48.

In the AGM (Extended Life) grade, ACDELCO, DEKA, FVP and 5 other brands supply 18 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is DEKA 9A48.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 2 parts: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT85094R.

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

GM GENUINE supplies the 9 Battery Cable parts for the 2018 Cadillac CT6.

Listed part numbers: GM GENUINE 23478048, GM GENUINE 84488913 and GM GENUINE 22970111, plus the other parts 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

HELLA supplies both parts for the 2018 Cadillac CT6.

This group includes HELLA 012767701 and HELLA 010557481.

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

One part is listed for the 2018 Cadillac CT6 — DORMAN 390030.

This table covers the Battery Vent tubes. Read more

One part is listed for the 2018 Cadillac CT6 — GM GENUINE 22996670.

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

4 Body Control Module (BCM) parts are listed for the 2018 Cadillac CT6, from GM GENUINE and DORMAN.

Listed part numbers: DORMAN 904910, GM GENUINE 13534187 and GM GENUINE 22940857, plus the other parts above.

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

3 Circuit Breaker parts for the 2018 Cadillac CT6 come from STANDARD MOTOR PRODUCTS.

Part numbers include STANDARD MOTOR PRODUCTS FH58, STANDARD MOTOR PRODUCTS FH59 and STANDARD MOTOR PRODUCTS FH57.

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

This group shows a single part: GM GENUINE 84956402.

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

2 Engine Control Module (ECM Computer) parts are listed for the 2018 Cadillac CT6, from ACDELCO and GM GENUINE.

Part numbers include ACDELCO 12700116 and 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

One part is listed for the 2018 Cadillac CT6 — 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 for the 2018 Cadillac CT6 come from 2 brands — BUSSMANN and GM GENUINE. The "Popular" part is GM GENUINE 84116255.

In the 100 Amp grade, BUSSMANN and GM GENUINE supply 2 parts: grouped under the catalog's "100 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN AMI100.

The 15 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMS15 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 1 option from BUSSMANN — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMS20 is listed in this group.

In the 25 Amp grade, BUSSMANN 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 BUSSMANN FMS25.

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 3 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "3 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM3LP.

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 4 Amp section lists 2 options from BUSSMANN — grouped under the catalog's "4 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM4LP is listed in this group.

The 40 Amp section lists 2 options from GM GENUINE and BUSSMANN — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 22917201 is listed in this group.

In the 50 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMS50.

The 60 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMS60 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 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

One part is listed for the 2018 Cadillac CT6 — GM GENUINE 23460553.

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

This group shows a single part: GM GENUINE 22989247.

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

This group shows a single part: 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

One part is listed for the 2018 Cadillac CT6 — ACDELCO 84571941.

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

GM GENUINE supplies the 5 Keyless Entry Module / Receiver parts for the 2018 Cadillac CT6. GM GENUINE 13595510 carries the "Popular" badge.

Part numbers include GM GENUINE 13595510, GM GENUINE 13540045 and GM GENUINE 13518769, among others listed above.

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

3 Keyless Entry Remote parts are listed for the 2018 Cadillac CT6, from GM GENUINE and ACDELCO.

Listed part numbers: ACDELCO 13598539, GM GENUINE 13544042 and GM GENUINE 13544046.

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 are listed for the 2018 Cadillac CT6, from DORMAN and GM GENUINE.

This group includes DORMAN 601992, DORMAN 601993 and GM GENUINE 84442126.

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

One part is listed for the 2018 Cadillac CT6 — GM GENUINE 23161170.

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

2 Park Assist (PAS) Camera Module parts for the 2018 Cadillac CT6 come from GM GENUINE.

This group includes GM GENUINE 84169044 and GM GENUINE 84169043.

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

10 Parking Aid Sensor parts are listed for the 2018 Cadillac CT6, from GM GENUINE, STANDARD MOTOR PRODUCTS, DORMAN and 3 other brands. BOSCH 0263043553 carries the "Popular" badge.

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

3 Power Supply Module (TIPM) parts for the 2018 Cadillac CT6 come from GM GENUINE.

This group includes GM GENUINE 13510484, GM GENUINE 23406455 and GM GENUINE 84365925.

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

One part is listed for the 2018 Cadillac CT6 — GM GENUINE 13599318.

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 the 3 Side Object Sensor Module parts for the 2018 Cadillac CT6.

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

4 Speed Sensor parts for the 2018 Cadillac CT6 come from 3 brands — STANDARD MOTOR PRODUCTS, GM GENUINE and WELLS.

This group includes GM GENUINE 24259108, STANDARD MOTOR PRODUCTS SC696 and STANDARD MOTOR PRODUCTS SC805 and the remaining parts above.

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

One part is listed for the 2018 Cadillac CT6 — WAI GLOBAL 16028N.

This table covers the Video control modules. Read more

GM GENUINE supplies the 3 Video Control Module parts for the 2018 Cadillac CT6.

Listed part numbers: GM GENUINE 84471974, GM GENUINE 84223892 and GM GENUINE 84471975.