2011 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

10 Alternator / Generator parts are listed for the 2011 Cadillac CTS, from GM GENUINE, WAI GLOBAL, TYC and 7 other brands. GM GENUINE 23480514 carries the "Popular" badge.

In the New grade, GM GENUINE, WAI GLOBAL and TYC supply 3 parts: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 23480514.

In the Remanufactured grade, ACDELCO, BOSCH, DENSO and 4 other brands supply 7 parts: factory-rebuilt units with new wear components. A representative part number is ACDELCO 3342970.

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 for the 2011 Cadillac CTS come from 2 brands — CONTINENTAL and LITENS.

Part numbers include CONTINENTAL 49921 and LITENS 920893A.

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: ACDELCO 22802157.

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

This group shows a single part: GM GENUINE 15213135.

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 2011 Cadillac CTS 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

7 Battery parts for the 2011 Cadillac CTS come from 7 brands — DEKA, LUCAS, ACDELCO and 4 other brands. The "Popular" part is DEKA 9A48.

In the AGM (Extended Life) grade, DEKA, LUCAS, ACDELCO and 3 other brands supply 6 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 FT68048.

Listed part numbers: DEKA 9A48, LUCAS LBAGM004A and ACDELCO 48AGM, 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

3 Battery Current Sensor parts are listed for the 2011 Cadillac CTS, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

This group includes GM GENUINE 13505369, STANDARD MOTOR PRODUCTS SBC111 and WELLS 5S6706.

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

One part is listed for the 2011 Cadillac CTS — DORMAN 390030.

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 2011 Cadillac CTS, from GM GENUINE and DORMAN.

This group includes DORMAN 502001, GM GENUINE 84922494 and GM GENUINE 22787940 and the remaining parts above.

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

This group shows a single part: GM GENUINE 19116527.

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 2011 Cadillac CTS — GM GENUINE 25852809.

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

9 Fuse parts for the 2011 Cadillac CTS come from LITTELFUSE. The "Popular" part is LITTELFUSE MIN20.

In the 10 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE LMIN10.

The 15 Amp section lists 1 option from LITTELFUSE — 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 20 Amp section lists 1 option from LITTELFUSE — 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 30 Amp grade, LITTELFUSE supplies 2 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 1 option from LITTELFUSE — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE JCAS40 is listed in this group.

In the 50 Amp grade, LITTELFUSE 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 LITTELFUSE JCAS50.

The 60 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE JCAS60 is listed in this group.

The 7.5 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN75 is listed in this group.

Listed part numbers: LITTELFUSE MIN20, LITTELFUSE LMIN10 and LITTELFUSE MIN15, plus the other parts above.

This table covers the HID Lighting ballasts. Read more

4 HID Lighting Ballast parts are listed for the 2011 Cadillac CTS, from AUTOTECNICA, DORMAN, STANDARD MOTOR PRODUCTS and 1 other brand.

Listed part numbers: AUTOTECNICA CA1320411, DORMAN 601172 and STANDARD MOTOR PRODUCTS HID160, plus the other parts above.

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

14 Horn parts for the 2011 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 7 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 25889495.

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

GM GENUINE supplies both parts for the 2011 Cadillac CTS.

Part numbers include GM GENUINE 20863945 and GM GENUINE 20803736.

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

8 Keyless Entry Remote parts are listed for the 2011 Cadillac CTS, from GM GENUINE, DORMAN and STANDARD MOTOR PRODUCTS. GM GENUINE 25943677 carries the "Popular" badge.

Listed part numbers: GM GENUINE 25943677, GM GENUINE 25943676 and DORMAN 99110, plus the other parts above.

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

One part is listed for the 2011 Cadillac CTS — DORMAN 13617.

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

This group shows a single part: GM GENUINE 22743052.

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

6 Parking Aid Sensor parts are listed for the 2011 Cadillac CTS, from GM GENUINE, BOSCH, DORMAN and 2 other brands. BOSCH 0263043551 carries the "Popular" badge.

Part numbers include BOSCH 0263043551, DORMAN 684012 and GM GENUINE 20777093, among others listed above.

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 2011 Cadillac CTS come from 6 brands — STANDARD MOTOR PRODUCTS, WELLS, HOLSTEIN and 3 other brands. The "Popular" part is HOLSTEIN 2VSS0527.

The Economy section lists 1 option from HOLSTEIN — the catalog's value-priced group. HOLSTEIN 2VSS0527 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 24279827.

Listed part numbers: HOLSTEIN 2VSS0527, GM GENUINE 24279827 and DELPHI SS12511, plus the other 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

9 Starter Motor parts are listed for the 2011 Cadillac CTS, from TYC, BOSCH, WAI GLOBAL and 6 other brands. TYC 117996 carries the "Popular" badge.

New: 3 parts, from TYC, BOSCH and WAI GLOBAL. A representative part number is TYC 117996.

Remanufactured: 6 parts, from PURE ENERGY, ACDELCO, DENSO and 3 other brands. A representative part number is PURE ENERGY 17996.

Listed part numbers: TYC 117996, BOSCH SR8646N and WAI GLOBAL 17996N, plus the other parts above.