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Service bulletins for the 2014 GMC Sierra

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.

3324 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
PI3541J2024-01-04. Service bulletin. STEERING; POWER TRAIN; WHEELS; SEATS. This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
PIP4112T2023-12-26. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This concern may also be present while cruising at highway speeds and then an aggressive increase in throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to downshift.
PIT5206B2023-12-26. Service bulletin. POWER TRAIN. Unwanted Grade Braking - Low Power - And/Or Transmission Busy Shifting.
14121B2023-12-18. Service bulletin. POWER TRAIN. Transmission Oil Cooler Connection
14121A2023-12-18. Service bulletin. POWER TRAIN. Transmission Oil Cooler Connection
141212023-12-18. Service bulletin. POWER TRAIN. Transmission Oil Cooler Connection
PIT5206B2023-12-11. Service bulletin. POWER TRAIN. Unwanted Grade Braking - Low Power - And/Or Transmission Busy Shifting.
13442A2023-12-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Equipment Noncompliance Recall - Transmission Control Module
134422023-12-11. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Equipment Noncompliance Recall - Transmission Control Module
134302023-12-11. Service bulletin. POWER TRAIN. CSP-Pinion Nut Improperly Fastened - Equipped with 3.73 Rear Axle Ratio (GT4) and Locking Rear Differential (G80)
133182023-12-11. Service bulletin. POWER TRAIN. Service Update for Inventory and Customer Vehicles Power Sliding Rear Glass (A48)
132542023-12-11. Service bulletin. POWER TRAIN. Service Update f or Inventory and Customer Vehicles Rough Engine Operation, DTC P16A1, DML, Reduced Power Mode Expires with Base Warranty - Equipped with 5.3L V8 Engine (L83)
132402023-12-11. Service bulletin. POWER TRAIN; STEERING. Service Update for Inventory and Cust omer Vehicles Loss of Power Steering Assist at Extreme Hot and Cold fUnderhood Temperatures Expires with Base Warranty
1300890062023-12-11. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Changes in Powertrain Warranty Coverage Effective with 2010 Model Year
090730018D2023-12-11. Service bulletin. POWER TRAIN. Change in Automatic Transmission Add Condition Documentation and Claim Submission
990420002I2023-12-11. Service bulletin. POWER TRAIN:DRIVELINE. Information on Driveline Clunk Noise
990420002H2023-12-11. Service bulletin. POWER TRAIN:DRIVELINE. Information on Driveline Clunk Noise
14204A2023-12-04. Service bulletin. POWER TRAIN. Inner Tie Rod Torque
120232002A2023-12-04. Service bulletin. POWER TRAIN; BACK OVER PREVENTION; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS; STEERING:HYDRAULIC POWER ASSIST:PUMP; SERVICE BRAKES. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Pressure Hose During Extreme Low Temperature Operation (Replace Power Steering Fluid)
03-00-91-001I2023-11-22. Service bulletin. WHEELS; POWER TRAIN; STEERING; SUSPENSION; ENGINE AND ENGINE COOLING. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
22-NA-2252023-11-10. Service bulletin. POWER TRAIN; EQUIPMENT. This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by Rear of Transmission or Transfer Case Area.
23-NA-1532023-09-26. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
15-00-89-004F2023-09-08. Service bulletin. STEERING; SUSPENSION; ENGINE AND ENGINE COOLING; POWER TRAIN. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
17-NA-0662023-07-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
17-NA-0662023-07-13. Service bulletin. POWER TRAIN. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.

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