# Service bulletin PIP5531A 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. - Type: Service bulletin - NHTSA id: 10171259 - Published by NHTSA: 2020\-02\-10 - Manufacturer's number: PIP5531A - Manufacturer's date: 2020\-01\-07 - NHTSA component: ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION ## NHTSA's summary This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch \(with excessive crankshaft end play\). Technician will test to determine if the crank shaft end play is within specification 0.0015?0.0086 inch. If end play is found to be out of specification, remove engine and inspect for possible crankshaft thrust bearing and/or crankshaft for wear. Inspect thrust bearing for wear on one side and crankshaft on that "mating" surface. If the thrust bearing has three vertical channels worn off replace connecting rod bearings, main bearings, thrust bearing and crankshaft. If working on a Corvette the oil tank with lines and oil cooler are both required to be replaced if equipped ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171259-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171259-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine, Transmission and driveline, Automatic transmission ## Vehicles listed - 2017 CADILLAC CTS - 2019 CADILLAC CTS - 2015 to 2016 CADILLAC CTS\-V - 2018 CADILLAC CTS\-V - 2015 to 2019 CADILLAC ESCALADE - 2016 to 2019 CHEVROLET CAMARO - 2014 to 2019 CHEVROLET CORVETTE - 2017 CHEVROLET SILVERADO - 2014 to 2019 CHEVROLET SILVERADO 1500 - 2014 to 2019 CHEVROLET SILVERADO 2500 - 2014 to 2019 CHEVROLET SILVERADO 3500 - 2019 CHEVROLET SILVERADO 4500 - 2015 to 2019 CHEVROLET SUBURBAN - 2015 to 2019 CHEVROLET TAHOE - 2014 to 2019 GMC SIERRA 1500 - 2014 to 2019 GMC SIERRA 2500 - 2014 to 2019 GMC SIERRA 3500 - 2014 to 2019 GMC SIERRA DENALI - 2015 to 2019 GMC YUKON - 2015 to 2019 GMC YUKON DENALI - 2015 to 2018 GMC YUKON DENALI XL - 2015 to 2019 GMC YUKON XL ## Recalls for the same vehicles and component - [14V152000](/recalls/nhtsa/14V152000.md), 2014-03-31: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES ## Other bulletins for the same vehicles and component - [21\-NA\-245](/bulletins/10252775.md), 2024-04-05, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:PARK PAWL; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; POWER TRAIN. This service bulletin provides repair information to correct a customer concern of seeing a Shift to Park Message Displayed in DIC. - [14204](/bulletins/10248739.md), 2024-01-16, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. Inner Tie Rod Torque - [14876](/bulletins/10247240.md), 2023-12-18, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT. 8\-speed Transmission Harsh Shift - [15NA045](/bulletins/10246520.md), 2023-12-11, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION. Rattle Noise Heard From Engine Bell Housing - [140730001B](/bulletins/10246502.md), 2023-12-11, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS:ACTUATORS/SOLENOIDS; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts - [140730001](/bulletins/10246501.md), 2023-12-11, Service bulletin: UNKNOWN OR OTHER; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS:ACTUATORS/SOLENOIDS; VEHICLE SPEED CONTROL:THROTTLE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Information on Transmission Adaptive Functions - [17\-NA\-066](/bulletins/10239647.md), 2023-07-25, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. - [PIP5853C](/bulletins/10236142.md), 2023-05-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue. - [16\-NA\-130](/bulletins/10232711.md), 2023-03-08, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY. This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear. - [PIP5621C](/bulletins/10224285.md), 2022-10-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC. 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