2026 Cadillac XT5 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

2 Alternator / Generator parts for the 2026 Cadillac XT5 come from GM GENUINE.

This group includes GM GENUINE 13553838 and GM GENUINE 13507127.

This table covers the Alternator / Generator bolts. Read more

One part is listed for the 2026 Cadillac XT5 — GM GENUINE 11611102.

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

One part is listed for the 2026 Cadillac XT5 — GM GENUINE 85774462.

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

One part is listed for the 2026 Cadillac XT5 — GM GENUINE 13520524.

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

GM GENUINE supplies both parts for the 2026 Cadillac XT5.

This group includes GM GENUINE 39119104 and 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

ACDELCO supplies both parts for the 2026 Cadillac XT5.

This group includes ACDELCO 94RAGMHR and ACDELCO 94RAGM.

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 2026 Cadillac XT5 come from GM GENUINE.

This group includes GM GENUINE 84681939, GM GENUINE 84681646 and GM GENUINE 85524606.

This table covers the Battery Cable Terminal ends. Read more

One part is listed for the 2026 Cadillac XT5 — GM GENUINE 84710785.

This table covers the Battery 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 84155667.

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

2 Body Control Module (BCM) parts for the 2026 Cadillac XT5 come from GM GENUINE.

Listed part numbers: GM GENUINE 22940857 and GM GENUINE 13534192.

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

One part is listed for the 2026 Cadillac XT5 — GM GENUINE 84098783.

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 84672986.

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

23 Fuse parts are listed for the 2026 Cadillac XT5, from GM GENUINE and ACDELCO. GM GENUINE 12004008 carries the "Popular" badge.

The 10 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 19209792 is listed in this group.

The 100 Amp section lists 2 options from GM GENUINE — grouped under the catalog's "100 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84070942 is listed in this group.

In the 125 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "125 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 12177251.

In the 15 Amp grade, GM GENUINE and ACDELCO supply 2 parts: grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 12004008.

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.

The 175 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "175 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 15305191 is listed in this group.

In the 20 Amp grade, GM GENUINE and ACDELCO supply 2 parts: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 12004009.

The 25 Amp section lists 3 options from ACDELCO and GM GENUINE — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. ACDELCO ATM2525 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 ACDELCO — grouped under the catalog's "3 Amp" designation — the notes column spells out what sets them apart. ACDELCO ATC325 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 40 Amp grade, ACDELCO and GM GENUINE 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 ACDELCO MAX405.

The 5 Amp section lists 1 option from ACDELCO — grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. ACDELCO ATC525 is listed in this group.

In the 60 Amp grade, ACDELCO 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 ACDELCO MAX605.

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 85039379.

This table covers the Hands Free Vehicle Access 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 85518160.

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

GM GENUINE supplies both parts for the 2026 Cadillac XT5.

Part numbers include GM GENUINE 23290937 and GM GENUINE 84639680.

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

One part is listed for the 2026 Cadillac XT5 — GM GENUINE 23278290.

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

3 Keyless Entry Module / Receiver parts for the 2026 Cadillac XT5 come from GM GENUINE.

Listed part numbers: GM GENUINE 13540045, GM GENUINE 13558723 and GM GENUINE 13558725.

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 2026 Cadillac XT5 — 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

3 Parking Aid Sensor parts for the 2026 Cadillac XT5 come from 2 brands — GM GENUINE and VARIOUS MFR.

Listed part numbers: GM GENUINE 84586217, GM GENUINE 87821667 and VARIOUS MFR GM1179100.

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

This group shows a single part: GM GENUINE 84226176.

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 2026 Cadillac XT5 — 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

4 Rain Sensor parts for the 2026 Cadillac XT5 come from GM GENUINE.

Part numbers include GM GENUINE 84466321, GM GENUINE 84466322 and GM GENUINE 85870194, among others listed above.

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 13542838.

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 2026 Cadillac XT5 come from GM GENUINE.

Listed part numbers: GM GENUINE 84729107, GM GENUINE 84729106 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

GM GENUINE supplies both parts for the 2026 Cadillac XT5.

This group includes GM GENUINE 24295280 and GM GENUINE 24298199.

This table covers the Speed Sensor Reluctor rings. Read more

GM GENUINE supplies both parts for the 2026 Cadillac XT5.

Listed part numbers: GM GENUINE 24230744 and GM GENUINE 24061032.

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

2 Starter Motor parts for the 2026 Cadillac XT5 come from 2 brands — GM GENUINE and TYC.

Part numbers include GM GENUINE 12667973 and TYC 116349.

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 2026 Cadillac XT5 — GM GENUINE 12654121.

This table covers the Video control modules. Read more

This group shows a single part: GM GENUINE 85869072.