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Service bulletins for the 2016 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.

1669 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
000310006N2019-07-01. Service bulletin. TIRES. This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
18NA3552019-07-01. Service bulletin. POWER TRAIN. This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.
PIP5632A2019-06-10. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIT5551D2019-06-10. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIC6025D2019-06-10. Service bulletin. STEERING; STEERING: STEERING WHEEL/HANDLE BAR. This Preliminary Information communication provides the technician with a diagnostic tip for vehicles with intermittent no crack with a "Turn Steering Wheel Start Vehicle Again". If there is a Diagnostic Trouble Code B305A stored history in the Body Control Module it may have been caused by a bound up steering wheel. Review the owner?s manual Starting the Vehicle Messages section with the customer.
PIP5498L2019-06-10. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
PIP56402019-06-10. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
PIP5226C2019-06-10. Service bulletin. EQUIPMENT; ENGINE. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
PIP5331H2019-06-03. Service bulletin. ENGINE. This Preliminary Information communication provides information on a rattle, tick, or knock type noise. Any drivability concerns they should be addressed prior to the following diagnostic progression. A sound file or video with sound of the noise needs to be made prior to dis-assembly to help isolate to one area in the engine. There are four different steps to diagnosis the concern. This communication was updated to include the 2017, 2018, and 2019 model years.
PIP5569A2019-06-03. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.
PIC5260C2019-06-03. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIC63602019-06-03. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Technician should check the installation of the COAX cables to be router correctly. Technician will gain access to the Radio or Human Machine Interface depending on the vehicle build. Install the EL-50334 test antenna to the Radio HMI and evaluate the operation. If the GPS signal is restored, inspect for incorrect coax routing as described above and if found, reroute the cable so it does not bypass the splitter.
PIC6123C2019-06-03. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; LANE DEPARTURE. This Preliminary Information communication provides information to the technician for the adaptive cruise control or lane keep assist unavailable message in the driver?s information center after the vehicle has been parked in direct sunlight and high ambient temperatures. The cameras electronic control unit?s internal operating temperature range is -40 degrees Celsius to 85 degrees Celsius. If the temperature of the electronic control unit of the camera module exceeds 85 degrees Celsius the image processor will no longer function resulting in adaptive cruise control and lane keep assist to be unavailable until the temperature falls to below the maximum operating temperature range
PIC6063C2019-06-03. Service bulletin. LANE DEPARTURE. This Preliminary Information communication provides information to the technician about vehicles that may have the park assist warning that goes off without an object near the vehicle. Engineering is aware of this concern and is working on a software change for this issue.
PIC6042B2019-06-03. Service bulletin. EQUIPMENT; STEERING. This Preliminary Information communication provides information to the technician about vehicles that if replacement of either shift paddle is necessary, the steering wheel does not need to be replaced nor does it need to be removed to replace either shift paddle.
PIC5979B2019-06-03. Service bulletin. VISIBILITY. This Preliminary Information communication provides information to the technician about vehicles that have the Heater-Vent-Air Conditioning system discharge temperature to vary from side to side when the set temperature is set to the same value. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIC6013E2019-06-03. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM; BACK OVER PREVENTION; LANE DEPARTURE. This Preliminary Information communication provides information to the technician about vehicles that have a "ADAPTIVE CRUISE TEMPORARILY UNAVAILABLE" message on the Driver Information Center when attempting to activate the cruise. Technician will need to perform a Multi Axis Sensor yaw rate sensor learn procedure. If needed, also perform the Long Range Radar Learn called-out in the Radar Sensor Module - Long Range Programming and Setup procedure in Service Information.
PIP5423B (1)2019-06-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician will inspect for a broken valve spring and replace as needed.
PIP5423B2019-06-03. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician will inspect for a broken valve spring and replace as needed.
PIP5423A2019-06-03. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician will inspect for a broken valve spring and replace as needed.
PIP5528B2019-06-03. Service bulletin. ENGINE. This Preliminary information communicates the identification process for High Feature V6 camshafts in re-manufactured engines.
PIP4670F2019-06-03. Service bulletin. ENGINE; 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.
19NA0812019-05-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides repair information to correct a customer concern of Audio Muting When Listening to Some SiriusXM Channels Due to Interference in Some Geographic Locations.
1008110001H2019-05-20. Service bulletin. EQUIPMENT. This informational bulletin provides information on proper use of floor mats.
140604004E2019-05-20. Service bulletin. ENGINE. This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.

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