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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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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PI1103B2018-05-07. Service bulletin. ELECTRICAL SYSTEM. This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers concern of the mirriors and/or seat inoperative.
141892018-04-23. Service bulletin. ELECTRICAL SYSTEM:WIRING. 14189 - Customer Satisfaction Program. On certain 2014 model year Cadillac CTS vehicles, equipped with a 3.6L twin-turbo engine (LF3), the engine control module wiring harness may rub on the metal edge of the alternator bracket or on a weld on the vehicle body rail. This condition could damage the wiring harness. If the wiring harness is damaged, the Check Engine Soon lamp will illuminate, the vehicle may display intermittent reduced engine power, or a fuse may blow and prevent the vehicle from starting. Dealers are to inspect and, if necessary, repair the wire harness. Dealers are to also install a new design alternator bracket and install a mastic patch over the weld on the vehicle body rail.
PI10092018-04-23. Service bulletin. ELECTRICAL SYSTEM:IGNITION; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This preliminary informational bulletin provides information for Diagnostic Tips for DTCs P0097, P00F4, P0113, P2229 and/or P0102 Set
13-00-89-0032018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides information on Vehicle Software Enhancements for 2014 and prior GM Passenger Cars and Light Duty Trucks.
12-08-132-001A2018-04-23. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information accessory power outlet and trailer lighting fuse replacement due to electrical systems that can be affected by devices that are plugged in by the customer.
PI09382018-04-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This preliminary information bulletin provides information on powertrain and various electronic/electrical control issues.
07-08-49-020H2018-04-23. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This technical service bulletin provides a revision for 07-08-49-020G to add the 2014 model year and update model list.
16-NA-1152018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides a procedure to reprogram the radio to correct a customer concern of radio inoperative with no communication and DTC U0184, no XM on start-up when manually tuned and/or using voice recognition, no radio wake-up, rear view camera and OnStar hands-free calling issues, favorite stations stored twice and/or disappear caused by to the current software calibration within the radio.
12-08-132-001D2018-04-23. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides warranty information on accessory power outlet and trailer lighting fuse replacement.
03-06-03-004I2018-04-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information for warranty codes that are generated by EL-50313 midtronics GR8 battery tester/charger.
13-00-89-0082018-04-02. Service bulletin. ELECTRICAL SYSTEM:WIRING. This informational bulletin provides information for GM wiring repair.
PIP5529A2018-03-12. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary information communicates additional diagnosticsand repairto assist in resolving a malfunction indicator lampillumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P0331 P0506.
PIP5180B2018-03-12. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. Technician will need to perform fuel quality test, spark test, and a compression test. Technician should also install a vacuum gauge prior to cold start and watch needle for signs of a sticking valve.
PIP4670E2018-03-12. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
PIC5891E2018-02-21. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language.
PIT54682018-01-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about a connectivity concern with Bluetooth after phone software is updated or after any vehicle updates for the radio or Human Machine Interface has taken place. Technician should delete all Bluetooth pairings and then reboot the Bluetooth device and the vehicle. After the vehicle and radio is booted back up repair the Bluetooth device.
PIC6102A2018-01-22. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that may have intermittent or no audio. Technician should inspect the amplifier for water damage. Technician should also inspect the wire harness that enters at the right wheelhouse in front of the amplifier. Ensure the grommet is properly installed as water may wick into the harness of the amplifier. Technician should also check for a water leak around the tail lamps, and make sure the sunroof drain tubes are fully connected and not damaged if equipped.
PIC6085A2018-01-22. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that are unable to access XM Weather. If the system responds by highlighting the XM Weather Icon but it does not enter the application technician should replace the Human Machine Interface module for this concern.
PIT54642018-01-22. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the incoming caller ID may no longer be available or displayed after the Canada OnStar upgrade. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
PIP4112Q2018-01-22. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. 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.
PIC4740F2018-01-22. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician for multiple concerns including service engine soon light, reduced power, no crank or start, 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 the scan tool. This could be caused by unseated pin or pins in the transmission connector. The technician should inspect the transmission connector X1 terminals by disconnecting it and carefully tugging on each wire to ensure the pins are fully seated. On the Cadillac ATS and CTS only the check the harness securing bracket on the passenger side of the vehicle were the transmission bell housing is attached to the engine block the harness should hang below the securing bracket. The harness should also be checked for chaffing.
PIP53192018-01-22. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary Information communication provides information to the technician that some vehicles may have a rattle coming from the turbo on a cold start. If the technician has verified the rattle noise when cold is from the turbocharger, and the noise is unforced, there is a revised part available for this concern.
PIC5650D2018-01-16. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIC5491K2018-01-16. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics.
PI0799A2017-12-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels.

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