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: Ignition are shown. Show all
| 14497A | 2023-12-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION. Unintended Ignition Key Rotation |
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| 120089002A | 2023-12-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; EQUIPMENT. Requesting a New Key Code for Customer with Lost or Stolen Keys |
| PIC5650K | 2023-06-13. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:IGNITION. 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. |
| 21NA147 | 2021-08-09. Service bulletin. ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING. This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. |
| 15521 | 2018-05-21. 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. |
| PI1098A | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:IGNITION. This preliminary bulletin provides a procedure on how to cold crank test a battery in a vehicle. |
| PI1018A | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:IGNITION. This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) range. |
| 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. |
| PIC5252A | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:IGNITION. This Preliminary Information communication provides information to the technician with a diagnostic tip on how to remove the ignition lock cylinder. Technician can use a pick tool on the hole behind the land on the lock cylinder housing and pull the ignition lock cylinder out of the ignition. |
| PIC5252A | 2016-06-17. Service bulletin. ELECTRICAL SYSTEM:IGNITION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 14497A | 2016-05-19. Service bulletin. ELECTRICAL SYSTEM:IGNITION. 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.