2019 Cadillac CTS 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

21 Alternator / Generator parts are listed for the 2019 Cadillac CTS, from PURE ENERGY, GM GENUINE, WAI GLOBAL and 7 other brands. GM GENUINE 84542721 carries the "Popular" badge.

In the New grade, GM GENUINE, WAI GLOBAL, SKP and 2 other brands supply 9 parts: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 84542721.

In the Remanufactured grade, TERREPOWER, PURE ENERGY, REMY and 3 other brands supply 12 parts: factory-rebuilt units with new wear components. A representative part number is TERREPOWER 42093.

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

5 Alternator / Generator Pulley parts for the 2019 Cadillac CTS come from 3 brands — CONTINENTAL, LITENS and DORMAN.

Listed part numbers: CONTINENTAL 49991, CONTINENTAL 49954 and DORMAN 300422, plus the other parts above.

This table covers the Antenna 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 84026441.

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

This group shows a single part: GM GENUINE 13523301.

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

This group shows a single part: GM GENUINE 39098012.

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 for the 2019 Cadillac CTS come from 8 brands — DEKA, ACDELCO, BOSCH and 5 other brands. The "Popular" part is DEKA 9A48.

In the AGM (Extended Life) grade, DEKA, ACDELCO, BOSCH and 4 other brands supply 9 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 1 part: 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 6 Battery Cable parts for the 2019 Cadillac CTS. GM GENUINE 23180437 carries the "Popular" badge.

Part numbers include GM GENUINE 23180437, GM GENUINE 23465285 and GM GENUINE 84417081, 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

5 Battery Current Sensor parts are listed for the 2019 Cadillac CTS, from STANDARD MOTOR PRODUCTS, GM GENUINE, HELLA and 1 other brand. GM GENUINE 13505369 carries the "Popular" badge.

Part numbers include GM GENUINE 13505369, HELLA 012767491 and STANDARD MOTOR PRODUCTS SBC111, among others listed above.

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

One part is listed for the 2019 Cadillac CTS — DORMAN 390030.

This table covers the Battery Vent tubes. Read more

One part is listed for the 2019 Cadillac CTS — GM GENUINE 85665279.

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

One part is listed for the 2019 Cadillac CTS — GM GENUINE 13528945.

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 2019 Cadillac CTS — GM GENUINE 22961309.

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

3 Circuit Breaker parts for the 2019 Cadillac CTS come from STANDARD MOTOR PRODUCTS.

Listed part numbers: 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

3 Engine Control Module (ECM Computer) parts are listed for the 2019 Cadillac CTS, from GM GENUINE and ACDELCO.

Part numbers include ACDELCO 12700116, GM GENUINE 19432269 and GM GENUINE 12703872.

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

GM GENUINE supplies both parts for the 2019 Cadillac CTS.

Part numbers include GM GENUINE 84013975 and GM GENUINE 84060564.

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

22 Fuse parts for the 2019 Cadillac CTS come from 3 brands — BUSSMANN, GM GENUINE and ACDELCO. The "Popular" part is GM GENUINE 22917202.

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 225 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "225 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN AMG225.

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.

In the 300 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "300 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN AMG300.

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 3 options from ACDELCO, GM GENUINE and BUSSMANN — 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 450 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "450 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN AMG450.

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 Garage Door Opener 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 CTS — GM GENUINE 22850908.

This table covers the HID Lighting ballasts. Read more

One part is listed for the 2019 Cadillac CTS — DORMAN 601921.

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

15 Horn parts for the 2019 Cadillac CTS come from 2 brands — FIAMM and GM GENUINE. The "Popular" part is FIAMM 7210223.

The Accessory Replacement section lists 7 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 7210223 is listed in this group.

In the Standard Replacement grade, FIAMM and GM GENUINE supply 8 parts: built to original-equipment specification. A representative part number is FIAMM 7201223.

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

This group shows a single part: GM GENUINE 23311271.

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 2019 Cadillac CTS — GM GENUINE 84234269.

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

GM GENUINE supplies both parts for the 2019 Cadillac CTS.

This group includes GM GENUINE 13586853 and GM GENUINE 13523241.

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

One part is listed for the 2019 Cadillac CTS — GM GENUINE 13544034.

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

GM GENUINE supplies the 3 Lighting Control Module (LCM) parts for the 2019 Cadillac CTS.

Listed part numbers: GM GENUINE 22907456, GM GENUINE 22972618 and GM GENUINE 23493477.

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

3 Park Assist (PAS) Camera Module parts for the 2019 Cadillac CTS come from 2 brands — GM GENUINE and ACDELCO.

Listed part numbers: ACDELCO 84050285, GM GENUINE 84172654 and GM GENUINE 84172656.

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

9 Parking Aid Sensor parts are listed for the 2019 Cadillac CTS, from GM GENUINE, STANDARD MOTOR PRODUCTS, DORMAN and 2 other brands. BOSCH 0263043553 carries the "Popular" badge.

Listed part numbers: BOSCH 0263043553, STANDARD MOTOR PRODUCTS PPS46 and DORMAN 684048, plus the other parts above.

This table covers the brackets that mount the Parking Aid Sensor. 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 CTS — GM GENUINE 22857317.

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 2019 Cadillac CTS come from GM GENUINE.

Listed part numbers: GM GENUINE 86815665, GM GENUINE 84324756 and GM GENUINE 84324757.

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

One part is listed for the 2019 Cadillac CTS — HELLA 011178861.

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 2019 Cadillac CTS — 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 2019 Cadillac CTS.

Part numbers include GM GENUINE 84087756, GM GENUINE 84112235 and GM GENUINE 23416213.

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 2019 Cadillac CTS come from 4 brands — VEMO, GM GENUINE, STANDARD MOTOR PRODUCTS and 1 other brand.

The Economy section lists 1 option from VEMO — the catalog's value-priced group. VEMO V51720313 is listed in this group.

Standard Replacement: 3 parts, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS. A representative part number is GM GENUINE 24293689.

Listed part numbers: VEMO V51720313, GM GENUINE 24293689 and STANDARD MOTOR PRODUCTS SC696, plus the other parts above.

This table covers the Starter bolts. Read more

2 Starter Bolt parts are listed for the 2019 Cadillac CTS, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 72004 and GM GENUINE 11610633.

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

12 Starter Motor parts are listed for the 2019 Cadillac CTS, from WAI GLOBAL, TERREPOWER, FVP and 4 other brands. GM GENUINE 12740951 carries the "Popular" badge.

New: 4 parts, from WAI GLOBAL, GM GENUINE and TYC. A representative part number is GM GENUINE 12740951.

Remanufactured: 8 parts, from TERREPOWER, FVP, PURE ENERGY and 1 other brand. A representative part number is TERREPOWER 52110.

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

This group shows a single part: GM GENUINE 12657796.

This table covers the Video control modules. Read more

One part is listed for the 2019 Cadillac CTS — GM GENUINE 84489485.

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 13514500.