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Service bulletins for the 2014 Cadillac CTS

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

2068 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
PIP5209A2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code P00C6 and/or P228C set. Technician will need to inspect the terminals at the Engine Control Module for fit and tension as well as the crimp to wire connection. Terminals to inspect in the ECM are connector x2 terminals 3, 18, and 19 for the fuel rail pressure sensor. Also connector x3 terminals 16 and 32 for the high pressure fuel pump.
PIP5053C2017-08-15. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). This Preliminary Information communication advises the technician that the 2013-2014 Cadillac ATS and 2014 CTS All Wheel Drive Transfer Case part number 24266321 and part number 23480424 Exchange program will be administered by the General Motors Product Quality Center. Dealer will need to contact the General Motors Product Quality Center for further assistance.
PIP5053B2017-08-15. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT:MECHANICAL. This Preliminary Information communication advises the technician that the 2013-2014 Cadillac ATS and 2014 CTS All Wheel Drive Transfer Case exchange program will be administered by the General Motors Product Quality Center. Dealer will need to contact the General Motors Product Quality Center for further assistance.
PIC5923A2017-08-15. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; STEERING. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code U0415 sym 00 and or C0544 set in the Electronic Power Steering Control Module. Technician will need to update the Power Steering Control Module latest available software available Tis2Web.
PIP4112N2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to first gear.
PIP5129B2017-08-15. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician that the 3.6L Twin Turbo Charged Engine parts restriction has ended.
PIP5144A2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication advises the technician that the Aisin TL80SN 8 Speed (MGG) 81-40LE Transmission Assembly, Torque Converter, Valve Body and Transmission Control Module are on restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
PIP51922017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). This Preliminary Information communication provides information to the technician about vehicles that may have a flutter or buzz that occurs at 800-900 revolutions per minute with the vehicle in second or third gear. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIP5144C2017-03-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE AISIN TL80SN 8 SPEED 81-40LE TRANSMISSION ASSEMBLY, TORQUE CONVERTER, VALVE BODY AND TRANSMISSION CONTROL MODULE ARE ON RESTRICTION THROUGH GENERAL MOTORS PRODUCT QUALITY CENTER. DEALER WILL NEED TO CALL GENERAL MOTORS PRODUCT QUALITY CENTER FOR FURTHER ASSISTANCE.
PIP-4554-M2016-08-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH THE STEPS ON REPAIRING A CLUNK NOISE AFTER SHIFTING FROM REVERSE TO DRIVE OR DRIVE TO REVERSE AND THEN ACCELERATING. THE CONCERN IS ONLY WITH REAR WHEEL DRIVE 6L45 OR 6L50 AUTOMATIC TRANSMISSIONS WITH REGULAR PRODUCTION OPTION CODE MYA OR MYB APPLY. APPLY THREAD LOCKER TO THE TRANSMISSION OUTPUT SHAFT FLANGE SPLINES AND INSTALL A NEW FRONT PROPELLER SHAFT FLANGE NUT. APPLY THREAD LOCKER TO THE NEW PROPELLER SHAFT FLANGE NUT IF IT DOES NOT CONTAIN A PRE-APPLIED ADHESIVE PATCH.
PIC-49862016-08-16. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; STEERING:GEAR BOX:SHAFT SECTOR; STEERING. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE CONDITION IS A NORMAL OPERATING CHARACTERISTIC OF THEIR VEHICLE. A CUSTOMER MAY COMMENT THAT THEY FEEL A STEERING BIND CONDITION WHEN THE CAR IS IN REVERSE, OR DRIVING FORWARD AND THE STEERING WHEEL IS TURNED AT OR NEAR THE FULL-LOCK POSITION.
SB-16-NA-1302016-08-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO INSPECT THE UPPER VALVE BODY TO DETERMINE THE CORRECT RPO USAGE TO CORRECT A CONCERN THAT AFTER INSTALLATION OF A REPLACEMENT UPPER VALVE BODY, THE TRANSMISSION MAY HAVE NO REVERSE AND NO 2ND GEAR DUE TO THE INSTALLATION OF THE INCORRECT UPPER VALVE BODY.
SB-03-07-29-004K2016-08-06. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE OPERATING CHARACTERISTICS OF A MANUAL TRANSMISSION.
PI1344B2016-07-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Some customers may comment that the vehicle has reduced acceleration at low speed and/or transmission is slipping from a launch. Technicians may find DTC P0751 set or stored in history. This condition may be caused by the Clutch Select Solenoid Valve 2 (359), located in the lower valve body, sticking in its bore resulting in a 4th gear start. Note: This condition can be very intermittent and difficult to duplicate.
PIP5144A2016-06-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
14179A2016-05-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
141792016-05-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP5053A2016-05-09. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP51442016-04-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-0000189894-A2016-03-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI-1448-A2016-02-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM. CADILLAC: SOME VEHICLES ARE EXPERIENCING SERVICE TRANSMISSION LIGHT FLASHING, MALFUNCTION INDICATOR LAMP (MIL) ON, VEHICLE NOT SHIFTING CORRECTLY INTO EACH RANGE. MODEL 2014-15 CTS. *PE
PI-13602015-04-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GMC/CADILLAC/CHEVROLET: AFTER POSITIONING SHIFT LEVER INTO PARK, IT FAILS TO HOLD AND VEHICLE ROLLS WHEN BRAKE PEDAL IS RELEASED. MODEL 2013-15. ATS, CTS, ESCALADE, AVALANCHE, CAMARO, CORVETTE, EXPRESS, SILVERADO, SUBURBAN, TAHOE, SAVANA, SIERRA, YUKON. *PE UPDATED 2/5/16. *PE UPDATED 2/12/16. *PE
PI-13362015-03-27. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. CADILLAC: FROM REAR DIFFERENTIAL, THERE IS LEAKING, ON SOME VEHICLES, DUE TO PINION SEAL JOURNAL HAVING LEAD ON IT, WHICH NEEDS REPLACING. MODEL 2013-14 ATS, CTS SEDAN. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.