19NA200
Service Bulletin Details
Public Details for: 19NA200
This technical bulletin provides a procedure to replace the transmission auxiliary pump to correct a condition of start/stop inoperative, mil illuminated w/dtc P2797.
Models from 2021
2021 CHEVROLET TRAILBLAZER |
Models from 2020
2020 CHEVROLET MALIBU |
Models from 2019
2019 CHEVROLET MALIBU |
Service Bulletin Bulletin No.: 19-NA-200 Date: June, 2020 TECHNICAL Subject: Start/Stop Inoperative, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2797 Set This bulletin replaces PIP5672. Please discard PIP5672. Brand: Model: Chevrolet Model Year: VIN: from to Malibu 2019 2020 Trailblazer (VIN M) 2021 2021 from to — — Engine: Transmission: — VT40 Automatic (RPO MRG) Involved Region or Country North America, Israel, GM Korea Company Condition Some customers may comment on one or more of the following conditions: • Start/Stop inoperative • MIL illuminated Some technicians may find DTC P2797 (Auxiliary Transmission Fluid Pump Performance) set in the Transmission Control Module (TCM). Cause This condition may be caused by an internal failure in the auxiliary fluid pump. Note: Inspect the auxiliary pump harness for a backed out/loose fitting terminal on both ends of the harness and repair/replace as necessary. Correction Replace the auxiliary transmission pump. Refer to Automatic Transmission Fluid Pump Removal and Installation in SI. Important: To remove the pump assembly, grasp the turbine shaft and remove the forward clutch and pump assembly as one piece. Keep the clutch assembly inserted in the pump. This will protect the shaft seals and they will not need to be replaced. ⇒ Refer to Transmission Fluid Pump Disassemble for instructions on replacing the auxiliary pump. Copyright 2020 General Motors LLC. All Rights Reserved. Page 2 June, 2020 Bulletin No.: 19-NA-200 Parts Information Causal Part Description Part Number Qty X PUMP, A/TRNS AUX FLUID 24299204 (in Korea, 24297279) 1 N/A FLUID, A/TRNS 19355873 (in Canada, 19355874) (in Korea, 93747663) 4 Warranty Information For vehicles repaired under warranty, use: Labor Operation Description Labor Time Transmission Fluid Pump Replacement Use Published Labor Operation Time 8463470 Version 3 Modified Released November 14, 2019 April 6, 2020 – Added a Note to the Correction section. May 29, 2020 – Added Trailblazer to the Model section, Korea to the Involved Region or Country section and Korean part numbers to the Parts Information table. GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION