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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
11-08-49-001K2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides a procedure on how to turn the transport mode message off and reset the battery light flashing.
03-06-03-004K2018-05-21. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not
12-09-41-002B2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; SEATS. The informational bulletin explains how items on the passenger seat may cause the PPS to chime or the passenger airbag light turns on if electronic devices or conductive objects are placed on the seat.
PI1103C2018-05-21. Service bulletin. EQUIPMENT; 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.
PI0938A2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
10-08-46-001B2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation.
11-08-49-001L2018-05-21. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This technical bulletin provides a procedure on how to turn the transport mode message of and reset the battery light flashing.
PI1103D2018-05-21. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; ELECTRICAL SYSTEM; SEATS. 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.
08-08-44-029D2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; ELECTRICAL SYSTEM. This Informational bulletin explains the warranty and policy exchange program for electronic devices and products, what can be approved by TAC and where the electronic parts can be returned to.
155212018-05-21. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:IGNITION. 15521 ? Customer Advisory Letter. On these vehicles, if the side doors will not open from inside the vehicle due to low or no battery voltage, such as a discharged or disconnected battery, or if the vehicle is entered without the key fob or the fob is not working, customers are being advised that the driver and passenger side doors can still be opened from inside the vehicle by using the manual release levers located on the floor between the seats and the door openings. Also, if the vehicle's side doors will not open from outside the vehicle due to low or no battery voltage, such as a discharged or disconnected battery, or if the key fob is not working, customers are being advised that the driver side door can still be opened by using their key to manually open the vehicle's trunk and pulling the manual door release tab located in the trunk.
11-08-49-001T2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.
1208132001E2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
110849001W2018-05-21. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.
17NA2152018-05-21. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition.
090604026N2018-05-21. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada
030603004W2018-05-21. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
15-06-03-002A2018-05-21. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:ELECTRICAL. This informational bulletin provides information to dealership personnel regarding original equipment battery part numbers and AC Delco replacement battery approved warranty part numbers.
10-00-89-005E2018-05-21. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty administration bulletin adds the 2016 model year to a communication which provides dealership personnel revised wiring repair labor operations and required additional information.
05-08-46-009D2018-05-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only).
PI14482018-05-07. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This preliminary informational bulletin provides repair information for a customer concern of Service Transmission light flashing and/or Malfunction Indicator Lamp (MIL) illuminated. Technician may find DTC P0705 set.
13-00-89-008A2018-05-07. Service bulletin. ELECTRICAL SYSTEM:WIRING. This informational bulletin communicates GM wiring repair strategy information.
PIT5264A2018-05-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The customer has 3 options while traveling through the United Sates. First if the vehicle is equipped with a navigation radio they can request a "Destination Download" to the vehicle. Second if the customer uses the OnStar RemoteLink app they can send the directions to the vehicle. The third option would be to have the vehicle loaded with a ?500 phone number? The customer will no longer be able to use their Hands Free Calling minutes when the new 500 phone number is loaded. If a customer chooses to restore Hands Free Calling in the future a new phone number will be assigned to the vehicle; previous phone numbers are not available.
PIC60382018-05-07. Service bulletin. STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communication provides information to the technician about vehicles that may have a light whistle noise from the dash area from either the Right or Left side A-Pillar area. Technician will need to inspect for a void in panel sealer at the Hood Hinges area. If a void is found please seal the area with body seam sealer and evaluate.
PIC5945B2018-05-07. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that may have Driver Information Center pages do not retain settings after an ignition cycle. Technician will need to review the latest version of PI1212 then use Service Programming System to perform a USB update to the Instrument Panel Cluster.
030603004S2018-05-07. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

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