Service bulletins for the 2013 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.
1657 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIP5276E | 2017-08-15. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on or a low oil pressure indicated after an oil change. Technician may find Diagnostic Trouble Code P0521. Inspect the engine for any oil leaks and repair if need. Technician should change the engine oil and replace the oil filter using a PF48e type filter. |
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| PIT5236F | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Management system for customer satisfaction program 15086 status. If the status of the customer satisfaction program 15086 was not completed follow the steps to get the Telematics Communication Interface Control Module replaced. If the status of customer satisfaction program 15086 is found completed contact General Motors Technical Assistance Center OnStar group for further assistance. |
| PIT5236E | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version. If the Firmware Over-the-Air version on the scan tool equals 6708 the technician will need to contact General Motors Technical Assistance Center for further assistance. If the Firmware Over-the-Air version on the scan tool is lower than 6708 Dealer can order the part thought the Instrument Sales and Service website process. |
| PIC5932A | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information from the customer on their Bluetooth device and the concern they are having before calling General Motors Technical Assistance Center. |
| PIT5443 | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication advises the technician of a concern where the Onstar® menu is missing from the radio display. Pressing the white Onstar® push to talk button and say hide Onstar® menu will hide the menu and saying unhide menu will make the menu come back again. |
| PIC5491G | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL. 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. |
| PIT5442 | 2017-08-15. Service bulletin. POWER TRAIN; EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar® 4G upgrade. If the concern is present park the vehicle outside and call General Motors Technical Assistance Center. |
| PIP4959E | 2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician with information regarding high misfire rates always on #1 cylinder. A customer may complain of misfires or roughness on cold start up with a P0300 diagnostic trouble code. Technician is to add coolant dye to the system and run the engine through warm up to circulate the dye. Pressurize the cooling system after a cold soak and inspect the cylinder with a bore scope for coolant dye. Dye is used to identify coolant over residual fuel being that might be left in the cylinder. The technician is not to replace the cylinder head as it will not correct this concern. In some cases it is necessary to remove the head for inspection. Do not replace the engine for small surface pock marks or a pitting appearance this is normal and do not connect to coolant passages. Usually if porosity is present there will be a break in the carbon ring. Only replace the engine if true porosity is found. Technician is to call Product Quality Center with the latest version of bulletin 02-07-30-029 if porosity is found and engine replacement is required. |
| PIP5209C | 2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication advises the technician to follow this Preliminary Information if there is a diagnostic trouble code P00C6 and or P228C set and normal Service Information diagnostics didn?t lead to a repair. Technician is to recheck the terminals at the Engine Control module for fit and tension as well as the crimp to the wire. The engine control module terminals to inspect are in the X2 connector. Inspect terminal number 3, 18 and 19 for the fuel rail pressure sensor and in the X3 connector terminals 16 and 32 for the high pressure fuel pump. The diagnostic trouble codes could set with as little as a 2 ohm resistance reading on these circuits. If any concerns are found replace the affected terminals and verify the repair. |
| PIC4740E | 2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission shifts hard, or the door locks cycle while driving. The Transmission Control Module or Engine Control Module may not communicate. With Diagnostic Trouble Codes C0242, C0561, P0575, P0615, P0700, P0856, P1629, P2544, U0073, U0074, U0100, U0109, U0121, U0140, U2100, U2105, and / or U2106 stored. The technician is to inspect the transmission X1 connector terminals for loose or poor fit. Disconnect the X1 connector and carefully tug on each wire to insure pins are fully seated. A side load on the wires may also cause a false positive lock. Technician is to repair the connections as necessary. |
| PIC4921D | 2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary Information communication provides information to the technician on a proper paint code for the following special addition vehicles. 2003 Mary Kay Cadillac models - use paint code WA-160E - Mary Kay Pink Pearl 2004 - 2007 Mary Kay Cadillac models - use paint code WA-983L - Mary Kay Pink Pearl III 2004 Neiman Marcus Cadillac XLR - use paint code WA-111B - Majestic Amethyst Metallic 2008 - 2015 Mary Kay Cadillac models - use paint code WA-590Q - Mary Kay Pink Pearl V 2011 Neiman Marcus Chevrolet Camaro convertible - For the exterior body color, use paint code WA-724S - Mystic Bronze Tri-coat. For the ghost stripes on the hood and deck lid, use paint code WA700T 2013 Hot Wheels Chevrolet Camaro - For the exterior body color, use paint code WA-720S - Kinetic Blue. For the red stripe on the wheels and the front bumper, use paint code WA-799U - Performance Red. 2015 Green Flash Camaro models - use paint code WA-136X - Unripened Green |
| PIC5494E | 2017-08-15. Service bulletin. VEHICLE SPEED CONTROL. 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 mile per hour or more variation. The technician is to replace the instrument panel cluster for this concern. |
| PIT5399 | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable. |
| PIC4310L | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); 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. |
| PIP5282 | 2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication advises the technician about the calculation and operation of the engine oil life monitor. The monitor calculates the percent of oil life remaining, based on 3 pathways. The first pathway for oil life calculation is engine revolutions. The second pathway for oil life calculation is the mileage form the last rest for all General Motors powertrains except the Volt. The third pathway for oil life calculation is the amount of time the oil is in the engine. The Volt uses a 2 year timer instead of 1 year. It also uses the engine revolution counter. It does not use the mileage pathway to count down. |
| PIC5953A | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact. |
| PIT5264C | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). 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. |
| PIP4554L | 2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary Information communication provides the technician with the steps on repairing a clunk noise after shifting from reverse to drive or drive to reverse and then accelerating. The concern is only with rear wheel drive 6L45 or 6L50 automatic transmissions with Regular Production Option Code MYA or MYB apply. Apply thread locker to the transmission output shaft flange splines and install a new front propeller shaft flange nut. Apply thread locker to the new propeller shaft flange nut if it does not contain a pre-applied adhesive patch. |
| PIP5264 | 2017-08-15. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician on the step to diagnose and repair vehicles that may have engine misfire and check engine light with any or all cylinder misfires only on deceleration. Technician will need to remove the accessory belts and drive or brake stall at signature RPM. If the concern is gone inspect for debris in the belt or pulleys causing a jump and false misfires. Also lift the engine to unload the engine mounts and test again. If concern is gone then inspect for a ground out concern with the mounts causing false misfires. |
| PIT5367 | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING 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. |
| PIP5257 | 2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped for possible leaking into the cooling system through the radiator. If no issue found replace the engine as well as all rubber coolant hoses. |
| PIT3271G | 2017-08-15. Service bulletin. TIRES; WHEELS. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection. |
| PIC3278F | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage in the circuits. The OnStar module could have an internal fault and produce a "Phone Unavailable" audio message also it may have a Diagnostic Trouble Code U1500 or B1000. Refer to diagnostics for the Diagnostic Trouble Code making sure to follow any applicable Bulletins or Preliminary Information sheets. A "Ready" or "OnStar ready" audio message heard while driving. In some cases it has been found that the customer is inadvertently pressing the ?push to talk? button on the steering wheel controls. On rare occasions, other issues in the steering column or Steering Wheel Control system may induce this concern. |
| PIC4310K | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING 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. |
| 14-00-89-003A | 2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and now is refered to Article 3.2.9 of the 1st addition manual for details of Technician Identification and Accounting of Labor Time |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.