# Service bulletin 15216 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: 10090006 - Published by NHTSA: 2017\-01\-31 - Manufacturer's number: 15216 - Manufacturer's date: 2015\-05\-29 - NHTSA component: EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION ## NHTSA's summary 15216 \- CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE AND ESCALADE ESV; CHEVROLET SILVERADO LD CREW AND DOUBLE CAB; AND GMC SIERRA LD CREW, SIERRA LD CREW DOUBLE CAB, YUKON, AND YUKON XL MODEL VEHICLES THAT ARE EQUIPPED WITH A 6.2L ENGINE \(RPO L86\) AND 8\-SPEED AUTOMATIC TRANSMISSION \(RPO M5U\) MAY HAVE A CONDITION IN WHICH THE U\-JOINT RETAINER BOLTS LOSE INDEX. IF THIS CONDITION OCCURS, THE CUSTOMER MAY HEAR OR FEEL A “CLUNKING” NOISE WHEN CHANGING SPEED. IF THIS CONDITION IS NOT CORRECTED, REDUCED CLAMP LOAD MAY CAUSE THE PROPSHAFT TO MOVE RELATIVE TO THE AXLE YOKE AND THE CUSTOMER MAY FEEL A VIBRATION. IF ONE OR MORE BOLTS BACK OUT COMPLETELY, THE PROPSHAFT MAY SEPARATE FROM THE AXLE RESULTING IN A LOSS OF DRIVE AND POTENTIAL DAMAGE TO THE UNDERSIDE OF THE VEHICLE. DEALERS ARE TO REPLACE TWO U\-JOINT RETAINERS AND FOUR U\-JOINT RETAINER BOLTS WITH NEW BOLTS THAT INCLUDE AN ADHESIVE PATCH. ## The document No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number. ## Components Equipment and accessories, Transmission and driveline, Automatic transmission, Manual transmission ## Vehicles listed - 2015 CADILLAC ESCALADE - 2015 CADILLAC ESCALADE ESV - 2015 CHEVROLET SILVERADO 1500 - 2015 CHEVROLET SILVERADO 2500 - 2015 CHEVROLET SILVERADO 3500 - 2015 GMC SIERRA 1500 - 2015 GMC SIERRA 2500 - 2015 GMC SIERRA 3500 - 2015 GMC YUKON - 2015 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 - [14876](/bulletins/10247240.md), 2023-12-18, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT. 8\-speed Transmission Harsh Shift - [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. - [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. - [15\-NA\-083](/bulletins/10201118.md), 2021-09-07, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Recovery Process from a Controller Reprogramming Interruption - [06\-00\-89\-031D](/bulletins/10201098.md), 2021-09-07, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification - [990420002L](/bulletins/10200154.md), 2021-08-09, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. - [17336\-02](/bulletins/10191037.md), 2021-04-29, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. On some 2015\-2017 model year Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon and Yukon XL vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. This condition consequently may deactivate the AC system which may cause potential customer annoyance JSON: [/v1/bulletins/10090006](/v1/bulletins/10090006) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2015216&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10090006&vehicle=Service%20bulletin%2015216)