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Service bulletins for the 2015 Cadillac ATS

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.

1777 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
PIC5491J2017-05-02. 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.
PIC5491J2017-04-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
PIT4720D2017-03-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT AFTER REPLACING THE INSTRUMENT PANEL CLUSTER THE EXCHANGE CENTER IS UNABLE TO PROGRAM THE ACTUAL MILEAGE ON THE ODOMETER OR THE ACTUAL MILEAGE IS UNKNOWN. DEALER WILL NEED TO FOLLOW DEALER TO THE GENERAL MOTORS SERVICE POLICIES AND PROCEDURES MANUAL SECTION 5.2.4 ODOMETER SERVICING.
PIT53672017-03-16. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A BLANK DISPLAYS, FLASHING DISPLAYS, “ERROR OR UPDATE FAILED MESSAGES”, NAVIGATION MAP NOT LOADING, BLUETOOTH OR USB CONCERNS. TECHNICIAN SHOULD INSPECT THE USB/SD CARD PORT FOR A SD CARD OR A DEVICE PLUG INTO ANY OF THE USB PORTS.
PIC6049B2017-03-14. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE WIRELESS CHARGING MODULE HAS BEEN PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER. DEALER WILL NEED TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE. CUSTOMER MAY STATE THAT THE PHONE DOES NOT CHARGE, CHARGES SLOW, MOVES OUT OF CHARGING SPOT, OR CHARGES INTERMITTENTLY. TECHNICIAN WILL NEED TO GATHER INFORMATION FROM THE CUSTOMER. THE INFORMATION NEEDED MAKE, MODEL, AND WIRELESS CHARGING BACK COVER MODEL. DOES CUSTOMER CURRENTLY USES WIRELESS CHARGING AT HOME AND /OR OFFICE, IF SO WHAT BRAND. IS THE PHONE BLUETOOTH PAIRED TO THE VEHICLE? DOES CUSTOMER RUN APPLICATIONS FROM THE PHONE? IF IT IS A ATS OR CTS CUSTOMER ARE THEY AWARE OF THE VEHICLE’S HEATER-VENT-AIR CONDITIONING COOLING THE PHONE WHEN IT IS ON IT EXTENDS TIME PHONE WILL CHARGE. ALSO IS THE COVER BEING USED FROM THE PHONE PROVIDER? WHEN THE TECHNICIAN CALLS GENERAL MOTORS TECHNICAL ASSISTANCE CENTER SELECT THE ELECTRICAL PROMPT.
PIC4310K2017-03-14. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT MAY HAVE AN ONSTAR SYSTEM THAT HAS PROGRESSION TONES WHEN PRESSING THE BLUE OR RED BUTTON. TECHNICIAN WILL NEED TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER WITH THE SCAN TOOL DATA FROM THE ONSTAR SYSTEM.
14395A2017-02-01. Service bulletin. ELECTRICAL SYSTEM. 14395A - CUSTOMER SATISFACTION PROGRAM (REVISED LABOR TIME). ON SOME 2015 MODEL YEAR BUICK ENCORE, LACROSSE, REGAL, AND VERANO; CADILLAC ATS, CTS, ELR, ESCALADE, SRX AND XTS; CHEVROLET COLORADO, CORVETTE, CRUZE, EQUINOX, IMPALA, MALIBU, SILVERADO, SONIC, SPARK, SS, SUBURBAN, TAHOE, TRAX, AND VOLT; AND GMC CANYON, SIERRA, TERRAIN, AND YUKON VEHICLES, A PERFORMANCE ISSUE WITH THE ONSTAR® MODULE MIGHT IMPACT THE VEHICLE'S BATTERY LIFE. THIS CAN CAUSE A DEAD BATTERY IF THE VEHICLE IS NOT STARTED FOR APPROXIMATELY 4 DAYS. THIS CONDITION CAN OCCUR EVEN IF THE ONSTAR® SYSTEM IS NOT ACTIVE. DEALERS ARE TO REPLACE THE ONSTAR® MODULE. IF THE CUSTOMER DOES NOT HAVE AN ACTIVE ONSTAR® SUBSCRIPTION, THE ONSTAR® MODULE IS TO BE DEACTIVATED AFTER REPLACEMENT.
15038 MESSAGE2017-01-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 15038 - DEALER MESSAGE ONLY. SELECT 2015 VEHICLES WILL RECEIVE A SOFTWARE DOWNLOAD VIA ONSTAR® TO UPDATE THE SOFTWARE FOR THE ELECTRONIC CLIMATE CONTROL (ECC) SYSTEM. THE UPDATE WILL BE PERFORMED ON DEALER INVENTORY VEHICLES, WITH THE UPDATE OCCURRING DURING THE NIGHT TIME HOURS OF 1AM TO 5AM EDT. UPDATES WILL BE ROLLED OUT TO THE INVENTORY STARTING 6/29/2015 AND COMPLETE BY END OF SEPTEMBER 2015. NO FURTHER ACTION IS REQUIRED BY THE DEALER. THIS UPDATE WILL TAKE APPROXIMATELY 15 MINUTES.
154042017-01-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 15404 - CUSTOMER SATISFACTION PROGRAM. CERTAIN VEHICLES MAY HAVE A CONDITION THAT IF INVOLVED IN A NON-DEPLOYMENT CRASH MAY NOT AUTOMATICALLY ACTIVATE ANY POST-CRASH ACTIONS, INCLUDING AN AUTOMATIC CRASH RESPONSE (ACR) CALL FROM ONSTAR, DOOR UNLOCK, INTERIOR LAMP ILLUMINATION, HAZARD LAMP ACTIVATION, HVAC BLOWER SHUTDOWN, AND FUEL PUMP SHUTDOWN. A NON-DEPLOYMENT CRASH EVENT IS NOT SEVERE ENOUGH TO DEPLOY THE SEAT BELT PRETENSIONERS OR AIRBAGS. ALL POST-CRASH ACTIONS INCLUDING AN ONSTAR ACR CALL WILL FUNCTION AS DESIGNED FOR ANY CRASH WITH A SEAT BELT PRETENSIONER OR AIRBAG DEPLOYMENT. THE ONSTAR BUTTONS CAN BE PRESSED TO REQUEST HELP, IF NEEDED. DEALERS ARE TO REPROGRAM THE SDM, OR IN SOME INSTANCES, REPLACE THE SDM.
PIP5189B2016-11-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF BLACK SMOKE WHEN STARTING THE VEHICLE AFTER SITTING.
PIP5168E2016-11-01. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN, AND THE STEPS TO REPAIR THE CONCERN OF THE VEHICLE CRANKS BUT DOES NOT START. THE TECHNICIAN IS TO INSPECT FOR A SHEARED CAM PIN IN THE ENGINE.
PIC6198A2016-11-01. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON STEPS TO PERFORM TO DETERMINE IF THE CUSTOMER'S BATTERY DRAIN CONCERN IS BEING CAUSED BY A KNOWN CONCERN WITH BLUETOOTH CALL TRANSFER OPERATION WHEN EXITING THE VEHICLE. IF THE CONCERN IS DUPLICATED AT THE DEALER WITH THE ONSTAR LED IS STILL GREEN AFTER THE VEHICLE IS TURNED OFF AND THE BLUETOOTH CALL WAS DISCONNECTED. DEALER SHOULD ADVISES THAT ENGINEERING IS AWARE OF THE CONCERN AND IS CURRENTLY INVESTIGATING THE ISSUE.
PIC6054C2016-10-25. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN NOT TO REPLACE ANY PARTS AND TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER. VEHICLE'S RADIO DISPLAY MAY BE SLOW TO TURN ON WHEN STARTING THE VEHICLE IF THE DOORS WERE NOT LOCKED.
PIC4935E2016-10-25. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT THE NORMAL POWER CONSUMPTION READING SHOULD BE FROM THE ONSTAR SYSTEM.
PIT5074J2016-10-21. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE USE OF J-35616-64B TERMINAL TEST PROBE, REPLACEMENT TERMINALS, AND TERMINATED LEADS. THE J-35616-64B IS THE LATEST TEST PROBE RELEASED FOR CHECKING TENSION OR PROBING THE .64 SERIES TERMINALS. THE TEST PROBE TERMINAL HAS BEEN RELEASED IN THE TERMINAL REPAIR KIT (J-38125-620H) LOCATED IN LEAR TRAY 7 PART NUMBER 963716-2. THERE ARE 5 TERMINATED LEADS IN A PACKAGE PART NUMBER IS 13505346, WHICH CAN BE ORDERED THROUGH YOUR NORMAL GENERAL MOTORS CUSTOMER CARE AND AFTERSALES PARTS CHANNEL
PIC61982016-10-20. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL.
PIC5494G2016-10-20. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WHEN THE CUSTOMER COMMENTS THAT THEIR DIGITAL VEHICLE SPEED DISPLAY IS SHOWING A DIFFERENT SPEED THAN THE ANALOG VEHICLE SPEED DISPLAY. THERE MAY BE UP TO 2 MILES PER HOUR DIFFERENCE BETWEEN THE DIGITAL AND ANALOG VEHICLE SPEED DISPLAYS. THIS IS A NORMAL CONDITION DUE TO THE CALCULATION TOLERANCES BEING DIFFERENT FOR THE TWO DRIVER VIEWING ANGLES FOR THE ANALOG SPEEDOMETER; IT MAY ALSO APPEAR TO INCREASE THE DIFFERENCE BETWEEN BOTH DISPLAYS. NO PART REPLACEMENT IS REQUIRED AS THIS IS A NORMAL OPERATING CHARACTERISTIC OF THE VEHICLE. FOR CTS VEHICLES BUILT BETWEEN APRIL AND JUNE OF 2011 OR THE 2013 ATS, SRX, XTS BUILT BEFORE AUGUST 29 2012 MAY HAVE A 3 MILES PER HOUR OR MORE VARIATION. THE TECHNICIAN IS TO REPLACE THE INSTRUMENT PANEL CLUSTER FOR THIS CONCERN.
140089004B2016-10-19. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION FOR IGNITION KEY, FOB, KEY TAGS AND KEY RINGS CONFIGURATION FOR VARIOUS VEHICLES AND APPLYING A QR CODE STICKER OR BARCODE STICKER TO THE FOB.
110849001S2016-10-19. Service bulletin. ELECTRICAL SYSTEM. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REMOVE THE TRANSPORT MODE ON MESSAGE DISPLAYED IN THE DIC DUE TO VEHICLES SHIPPED OVER LONG DISTANCES OUTSIDE THE U.S. AND CANADA.
030603004R2016-10-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO TEST A BATTERY AND WHAT IS NEEDED TO WARRANTY A BATTERY.
16NA2722016-10-18. Service bulletin. ELECTRICAL SYSTEM. THIS INFORMATIONAL BULLETIN PROVIDES A CHART ON WHAT MAY STILL BE ACTIVE AND HOW LONG IT STAYS ACTIVE, DURING A PARASITIC DRAW TEST.
16NA2412016-10-14. Service bulletin. ELECTRICAL SYSTEM. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CHECK THE CYLINDERS FOR DAMAGED PISTONS AND DETERMINE IF THE USE OF AFTERMARKET CALIBRATIONS OR PERFORMANCE PARTS MAY BE THE CAUSE.
11-08-49-001Q2016-10-03. Service bulletin. ELECTRICAL SYSTEM. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE IDENTIFICATION OF VEHICLES THAT ARE SHIPPED WITH THE TRANSPORT MODE ON AND HOW TO TURN IT OFF.
PIP5094A2016-09-26. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT ,WHEN TESTING ANY CIRCUIT FOR OPEN OR RESISTANCE, IT IS IMPERATIVE THAT ALL RELATED TERMINAL PIN FIT AND TENSION BE CHECKED WHEN THE TEST STEPS REQUIRE DISCONNECTION OF THE CONNECTOR OR COMPONENT, PRIOR TO ANY COMPONENT REPLACEMENT. ALWAYS USE THE RECOMMENDED TERMINAL TEST TOOL DURING THESE TESTS.
PIP-5389-A2016-08-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN REGARDING VEHICLES EQUIPPED WITH ENGINE REGULAR PRODUCTION OPTION CODE LEA, LCV, AND LKW MAY HAVE A SERVICE ENGINE SOON LAMP WITH DIAGNOSTIC TROUBLE CODE P015A SET. IF THE SERVICE INFORMATION FOR DIAGNOSTIC INSTRUCTION FOR DIAGNOSTIC TROUBLE CODE P015A WAS COMPLETED INSPECT THE ENGINE OIL LEVEL FOR BEING OVERFILLED. IF THE ENGINE OIL LEVEL IS FOUND TO BE OVERFILLED, READJUST TO CORRECT LEVEL AND RE-EVALUATE THE CONCERN. IF THE STEPS DO NOT LEAD TO A RESOLUTION, ADVISE THE CUSTOMER THAT ENGINEERING IS AWARE OF THIS CONCERN AND IS WORKING ON A REPAIR.

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