Service bulletins for the 2012 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.
1565 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Transmission and driveline are shown. Show all
| PI1344A | 2017-08-15. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. This preliminary bulletin provides a procedure to remove and inspect the clutch select solenoid valve for damage, located in the valve body to correct the customers concern of reduced acceleration at low speeds and trans slip at lauch. |
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| 10-04-20-001F | 2017-08-15. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. This technical bulletin provides a procedure to replace the rear differential fluid if the rear axle has a clunk or chatter noise on turns. |
| 06-00-89-026L | 2017-08-15. Service bulletin. SERVICE BRAKES; EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER; POWER TRAIN:AXLE ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND. |
| PIP4112M | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 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. |
| PIP4112L | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 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. |
| PIC5630 | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, and or an intermittent Service Engine Soon lamp illuminated. Technician should inspect the round connector at the transmission control module for possible High Speed LAN wire or wires that may be pushed out of the back of the connector. |
| PIP5102 | 2017-08-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code P0016 stored. Technician will need to inspect the reluctor on the crankshaft. If the reluctor has moved replace the crankshaft. |
| PIC4740D | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission shifts hard, or the door locks cycle while driving. The Transmission Control Module or Engine Control Module may not communicate. With Diagnostic Trouble Codes C0242, C0561, P0575, P0615, P0700, P0856, P1629, P2544, U0073, U0074, U0100, U0109, U0121, U0140, U2100, U2105, and / or U2106 stored. The technician is to inspect the transmission X1 connector terminals for loose or poor fit. Disconnect the X1 connector and carefully tug on each wire to insure pins are fully seated. A side load on the wires may also cause a false positive lock. Technician is to repair the connections as necessary. |
| PIP4138L | 2017-08-15. Service bulletin. EQUIPMENT:MECHANICAL; POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter. |
| PIC4740C | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:WIRING. This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission shifts hard, or the door locks cycle while driving. The Transmission Control Module or Engine Control Module may not communicate. With Diagnostic Trouble Codes C0242, C0561, P0575, P0615, P0700, P0856, P1629, P2544, U0073, U0074, U0100, U0109, U0121, U0140, U2100, U2105, and / or U2106 stored. The technician is to inspect the transmission X1 connector terminals for loose or poor fit. Disconnect the X1 connector and carefully tug on each wire to insure pins are fully seated. A side load on the wires may also cause a false positive lock. Technician is to repair the connections as necessary. |
| PIP4554H | 2017-08-15. 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. |
| PIP5075 | 2017-08-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This Preliminary Information communication provides information to the technician about vehicles that have a fluid leak from the rear of the vehicle. Technician will need to inspect the rear axle to determine if the leak is coming from the rear axle assembly. If the leak is not coming from the rear axle differential vent follow published Rear Axle Lubricant Leak Diagnosis in Service Information. If the leak is coming from the rear axle differential vent replace the vent and hose. If the vehicle comes back with the same concern it is possible that the rear axle vent baffle has moved. |
| PIP5192A | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. 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. General Motors Engineering is investigating the concern. |
| PIP5209A | 2017-08-15. 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. |
| PIP4112N | 2017-08-15. 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. |
| PIP4554J | 2017-08-15. Service bulletin. WHEELS; POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. 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. |
| PIP5192 | 2017-08-15. 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. |
| PIP-4554-M | 2016-08-24. 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-4986 | 2016-08-16. 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-130 | 2016-08-10. 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-03-07-29-004K | 2016-08-06. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE OPERATING CHARACTERISTICS OF A MANUAL TRANSMISSION. |
| PI1344B | 2016-07-07. 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. |
| PIC4986D | 2016-06-22. Service bulletin. STEERING; POWER TRAIN. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| SB-PIE-0223A | 2016-06-13. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIE0223A | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.