Service bulletins for the 2018 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.
1149 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 090089016F | 2019-03-25. Service bulletin. EQUIPMENT. This warranty nonadministrative bulletin provides information on the proper use of the labor operation 0600014. |
|---|---|
| 090089002P | 2019-03-25. Service bulletin. EQUIPMENT. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. |
| 010310003R | 2019-03-25. Service bulletin. TIRES. This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule. |
| PIE0497A | 2019-03-25. Service bulletin. EQUIPMENT. This engineering information PI is requesting information from the field on a MIL ON, DTC P1070 condition. |
| PIE0487A | 2019-03-25. Service bulletin. EQUIPMENT. This engineering information PI ends the need for further information from the field on vehicles that may have a condition of unresponsive touchscreen and concerns related to this EI have been resolved with radio software update 20.11. |
| 17NA170 | 2019-03-25. Service bulletin. WHEELS. This informational bulletin explains the wheel Road Force balancers and what they can do for customer concerns. |
| 16NA342 | 2019-03-25. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to check the rearview mirror coax connector for looseness by disconnecting and reconnecting the electrical connector and to correct the customers concern for the rearview mirror video screen displaying blue. |
| PIE0497 | 2019-03-25. Service bulletin. ELECTRICAL SYSTEM. This engineering information PI is requesting information from the field on a MIL ON, DTC P1070 condition. |
| 080089014C | 2019-03-25. Service bulletin. EQUIPMENT. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). |
| 060850009J | 2019-03-25. Service bulletin. SEATS; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. |
| 060847001N | 2019-03-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. |
| 060089026O | 2019-03-25. Service bulletin. EQUIPMENT. This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND). |
| 010842001L | 2019-03-25. Service bulletin. EXTERIOR LIGHTING. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. |
| 000310003X | 2019-03-25. Service bulletin. TIRES. This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. |
| 18NA374 | 2019-03-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to re-position a clip and repair the oil level sensor wiring harness if contacting the driveshaft. |
| 18NA362 | 2019-03-25. Service bulletin. VISIBILITY:WINDSHIELD; STRUCTURE. This technical bulletin provides repair information to correct a customer concern of a wind noise and/or water leak at front roof or windshield, water running down interior A-pillar. |
| 18NA291 | 2019-03-25. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the Schrader valve port with a open fill port to aid in filling the supercharger cooling system and to correct the engine performance. |
| 18NA246 | 2019-03-25. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. |
| 18NA153 | 2019-03-25. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if vehicles apply within the settings. |
| 17NA066 | 2019-03-25. Service bulletin. POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. |
| 17NA021 | 2019-03-25. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES. This technical bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster. |
| PIE0497B | 2019-03-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This engineering information PI is requesting information from the field to determine a root cause on a MIL ON, DTC P1070 condition. |
| 17NA073 | 2019-03-18. Service bulletin. EQUIPMENT. This warranty administration bulletin provides information regarding the field action courtesy transportation policy. |
| 16NA338 | 2019-03-18. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns. |
| 16NA175 | 2019-03-18. Service bulletin. POWER TRAIN. This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.