2009 Cadillac DTS 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

15 Alternator / Generator parts are listed for the 2009 Cadillac DTS, from WAI GLOBAL, ACDELCO, FVP and 6 other brands. GM GENUINE 84009366 carries the "Popular" badge.

In the New grade, WAI GLOBAL, GM GENUINE and TYC supply 4 parts: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 84009366.

In the Remanufactured grade, ACDELCO, FVP, PURE ENERGY and 3 other brands supply 11 parts: factory-rebuilt units with new wear components. A representative part number is ACDELCO 3342936A.

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

This group shows a single part: GM GENUINE 22761920.

This table covers the Automatic Headlamp 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 Automatic Headlamp Sensor parts for the 2009 Cadillac DTS come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS.

Part numbers include GM GENUINE 13498958 and STANDARD MOTOR PRODUCTS EFL172.

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

8 Battery parts for the 2009 Cadillac DTS come from 8 brands — DEKA, FVP, ACDELCO and 5 other brands. The "Popular" part is DEKA 9A94R.

In the AGM (Extended Life) grade, DEKA, FVP, ACDELCO and 4 other brands supply 7 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 9A94R.

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.

Listed part numbers: DEKA 9A94R, FVP P94RAGM and ACDELCO 94RAGM, plus the other parts 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

One part is listed for the 2009 Cadillac DTS — STANDARD MOTOR PRODUCTS A152D.

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

3 Battery Current Sensor parts are listed for the 2009 Cadillac DTS, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include GM GENUINE 13505369, STANDARD MOTOR PRODUCTS SBC111 and WELLS 5S6706.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

This group shows a single part: GM GENUINE PT220.

This table covers the Battery Terminal Bolt nuts. Read more

One part is listed for the 2009 Cadillac DTS — GM GENUINE 25650966.

This table covers the Battery Vent tubes. Read more

One part is listed for the 2009 Cadillac DTS — GM GENUINE 19420172.

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

3 Body Control Module (BCM) parts are listed for the 2009 Cadillac DTS, from GM GENUINE and DORMAN.

Part numbers include DORMAN 502001, GM GENUINE 84922494 and GM GENUINE 22860591.

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

This group shows a single part: BUSSMANN CB21125.

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

GM GENUINE supplies both parts for the 2009 Cadillac DTS.

Part numbers include GM GENUINE 19421504 and GM GENUINE 12678512.

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

24 Fuse parts for the 2009 Cadillac DTS come from 2 brands — BUSSMANN and LITTELFUSE. The "Popular" part is LITTELFUSE MIN15.

In the 10 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM10LP.

The 15 Amp section lists 2 options from LITTELFUSE and BUSSMANN — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN15 is listed in this group.

The 2 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "2 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM2 is listed in this group.

The 20 Amp section lists 2 options from LITTELFUSE and BUSSMANN — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN20 is listed in this group.

In the 25 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM25LP.

In the 30 Amp grade, LITTELFUSE and BUSSMANN supply 4 parts: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE JCAS30.

The 40 Amp section lists 2 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMX40LP is listed in this group.

In the 5 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM5LP.

In the 50 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMX50LP.

The 60 Amp section lists 2 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMX60LP is listed in this group.

The 7.5 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM712LP is listed in this group.

This table covers the HID Lighting ballasts. Read more

One part is listed for the 2009 Cadillac DTS — STANDARD MOTOR PRODUCTS HID136.

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

13 Horn parts for the 2009 Cadillac DTS come from FIAMM. 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 supplies 6 parts: built to original-equipment specification. A representative part number is FIAMM 7201223.

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

One part is listed for the 2009 Cadillac DTS — GM GENUINE 20803735.

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

5 Keyless Entry Remote parts are listed for the 2009 Cadillac DTS, from DORMAN, GM GENUINE and STANDARD MOTOR PRODUCTS.

Part numbers include DORMAN 99524ST, DORMAN 99525ST and GM GENUINE 20998255, among others listed above.

This table covers the replacement shells for the key fob. Read more

One part is listed for the 2009 Cadillac DTS — DORMAN 13617.

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

One part is listed for the 2009 Cadillac DTS — ÜRO PARTS 63117182520.

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 both parts for the 2009 Cadillac DTS.

This group includes GM GENUINE 20920237 and GM GENUINE 20823460.

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 for the 2009 Cadillac DTS come from 6 brands — STANDARD MOTOR PRODUCTS, WELLS, DORMAN and 3 other brands. The "Popular" part is GM GENUINE 213306.

The Economy section lists 1 option from DORMAN — the catalog's value-priced group. DORMAN 917627 is listed in this group.

Standard Replacement: 7 parts, from STANDARD MOTOR PRODUCTS, WELLS, GM GENUINE and 2 other brands. A representative part number is GM GENUINE 213306.

This group includes GM GENUINE 213306, DORMAN 917627 and STANDARD MOTOR PRODUCTS SC83 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

13 Starter Motor parts are listed for the 2009 Cadillac DTS, from PURE ENERGY, ACDELCO, REMY and 7 other brands. PURE ENERGY 6471SN carries the "Popular" badge.

New: 5 parts, from PURE ENERGY, TYC, ACDELCO and 2 other brands. A representative part number is PURE ENERGY 6471SN.

Remanufactured: 8 parts, from GM GENUINE, ACDELCO, BOSCH and 5 other brands. A representative part number is GM GENUINE 3231633.